钢板制矩形通风管道计算表 28页

'钢板制矩形通风管道计算表表1动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）120×120160×120200×120160×160250×120200×160250×160200×200250×200320×160250×250320×200400×2000.2452.01000.0621340.0521680.0471800.0432090.0422250.0372810.0382820.0323520.0283600.0304410.0244510.0255650.0220.2702.11050.0681410.0571770.0511890.0472200.0462370.0412950.0362960.0353700.0313780.0334630.0274740.0275940.0250.2962.21100.0741480.0621850.0551980.0512300.0502480.0443090.0403100.0383870.0343960.0354850.0294970.0306220.0270.3242.31150.0801540.0671930.0602070.0552410.0552590.0483230.0433250.0424050.0364140.0385070.0315190.0326500.0290.3532.41200.0861610.0732020.0652160.0602510.0592700.0523370.0463390.0454220.0394320.0425290.0345420.0356780.0310.3832.51250.0931680.0782100.0702250.0642620.0632820.0563510.0503530.0484400.0424500.0455510.0375640.0377070.0340.4142.61300.1001750.0842190.0752340.0692720.0682930.0603650.0543670.0524580.0464680.0485730.0395870.0407350.0360.4472.71350.1071810.0902270.0802430.0742830.0733040.0653790.0583810.0564750.0494860.0525950.0426100.0437630.0390.4802.81400.1141880.0962360.0862520.0792930.0783150.0693930.0623950.0594930.0525040.0556170.0456320.0467910.0420.5152.91450.1211950.1022440.0912610.0843040.0833270.0744070.0664090.0635100.0565220.0596400.0486550.0498200.0440.5513.01500.1292010.1092520.0972700.0893140.0893380.0784210.0704230.0675280.0595400.0626620.0516770.0528480.0470.5893.11550.1372080.1162610.1032790.0953250.0943490.0834350.0744380.0725460.0635580.0666840.0547000.0558760.0500.6273.21600.1452150.1232690.1092880.1013350.1003600.0884490.0794520.0765630.0675760.0707060.0587220.0599040.0530.6673.31650.1542210.1302780.1162970.1073450.1053720.0934630.0834660.0805810.0715940.0747280.0617450.0629330.0560.7083.41700.1622280.1372860.1223060.1133560.1113830.0994770.0884800.0855980.0756120.0797500.0647680.0669610.059 钢板制矩形通风管道计算表表2动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）320×250500×200400×250320×320500×250400×320630×250500×320400×400500×400630×320500×500630×4000.2452.05660.0217070.0217080.0197260.0188870.0179090.01611150.01611370.01411380.01414240.01214310.01317830.01017920.0110.2702.15940.0237430.0237440.0217620.0209310.0199540.01711710.01711940.01511950.01514950.01315030.01418710.01118820.0120.2962.26220.0257780.0257790.0227980.0219750.02010000.01912270.01912610.01712510.01615660.01415740.01519600.01219710.0130.3242.36510.0278140.0278150.0248350.02310200.02210450.02012820.02013080.01813080.01716370.01516460.01620490.01320610.0140.3532.46790.0298490.0298500.0268710.02510640.02410900.02213380.02213640.01913650.01917090.01717170.01821380.01421510.0150.3832.57070.0328840.0318850.0289070.02711060.02611360.02413940.02314220.02114220.02017800.01817890.01922280.01522400.0160.4142.67360.0349200.0339210.0309440.02911530.02711810.02514500.02514780.02314790.02218510.01918600.02023170.01723300.0170.4472.77640.0369550.0369560.0329800.03111970.02912270.02715050.02715350.02415360.02319220.02119320.02224060.01824190.0180.4802.87920.0399900.0389920.03510160.03312410.03112720.02915610.02915910.02615930.02519930.02220030.02324950.01925090.0200.5152.98200.04210260.04110270.03710520.03512850.03413180.03116170.03116490.02816500.02720650.02320750.02525840.02025990.0210.5513.08490.04410610.04310630.03910890.03813300.03613630.03316730.03317060.02917060.02821360.02521470.02726730.02226880.0220.5893.18770.04710970.04610980.04211250.04013740.03814080.03517280.03517630.03117630.03022070.02722180.02827620.02327780.0240.6273.29050.05011320.04911330.04411610.04214180.04014540.03717840.03718200.03318200.03222780.02822900.03028510.02428680.0250.6673.39340.05311670.05211690.04712000.04514630.04314990.03918400.03918770.03518770.03423490.03023610.03229940.02629570.0270.7083.49620.05612030.05512040.05012340.04715070.04515450.04118960.04119330.03719340.03624210.03121330.03330290.02730470.028钢板制矩形通风管道计算表表3 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）800×320630×5001000×320800×400630×6301000×400800×5001250×4001000×500800×6301250×5001000×630800×8000.2452.018190.01222440.00922760.01122780.00928300.00828500.00928520.00835600.00835680.00735980.00744570.00745010.00645740.0060.2702.119100.01323560.01023900.01223920.01029720.00829920.01029950.00937380.00937460.00837780.00746800.00747260.00748020.0060.2962.220010.01424680.01125030.01325060.01131140.00931350.01031370.00939160.01039240.00939580.00849030.00849510.00950310.0070.3242.320920.01525800.01226170.01426200.01232550.01032770.01132800.01040940.01141030.00941380.00951260.00951760.00852600.0070.3532.421830.01626920.01327310.01527340.01333970.01134200.01234220.01142720.01142810.01043180.00953490.00954010.00854880.0080.3832.522740.01728050.01428440.01628480.01435380.01235620.01335650.01244500.01244600.01144970.01055720.01056260.00957170.0090.4142.623650.01929170.01529580.01729620.01536800.01337050.01437080.01346280.01346380.01246770.01157940.01158510.01059460.0090.4472.724560.02030290.01630720.01930750.01638210.01338470.01538500.01448060.01448160.01348570.01260170.01260760.01061740.0100.4802.825470.02131410.01731860.02031890.01839630.01439900.01639930.01549840.01549950.01350370.01362400.01263010.01164030.0110.5152.926380.02332530.01833000.02133030.01941040.01541320.01741350.01651620.01651730.01452170.01364630.01365260.01266320.0110.5513.027290.02433650.01934130.02334170.02042460.01642750.01842780.01753400.01753510.01553970.01466860.01467510.01368600.0120.5893.128200.02634780.02035270.02435310.02143870.01744170.02044210.01855180.01856300.01655770.01569090.01569760.01370890.0130.6273.229110.02735900.02136410.02536450.02345290.01845600.02145630.01956960.01957080.01757570.01671320.01672010.01473180.0140.6673.330010.02937020.02337550.02737590.02446700.01947020.02247060.02058730.02058870.01859370.01773540.01774260.01575460.0150.7083.430920.03038140.02438680.02838730.02548120.02148450.02348480.02160510.02260600.01961170.01875770.01876510.01677750.015钢板制矩形通风管道计算表表4 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）1250×6301600×5001000×8001250×8001000×10001600×6301250×10001600×8002000×8001600×10002000×10001600×12502000×12500.2452.056240.00557090.00657210.00571500.00571570.00472030.00589450.00491570.004114500.004114600.003143300.003143300.003179200.0030.2702.159050.00659940.00760070.00675070.00575150.00575630.00593920.00496150.005120200.004120300.004150400.003150500.003188200.0030.2962.261860.00762800.00762930.00678650.00578730.00579230.00698400.005100700.005126000.005126000.004157600.004157600.003197100.0030.3242.364680.00765650.00865790.00782220.00682300.00682840.006102900.005105300.005131700.005131800.004164800.004164800.004206100.0030.3532.467490.00868500.00968650.00785800.00685880.00686440.007107300.005109900.006137400.005137500.005171900.004172000.004215100.0040.3832.570300.00871360.00971510.00889370.00789460.00790040.008111800.006114500.006143100.006143200.005179100.005179100.004224000.0040.4142.673110.00974210.01074380.00892950.00793040.00793640.008116300.006119000.007148900.006148900.006186200.005186300.005233000.0040.4472.775920.00977070.01177240.00996520.00896620.00897240.009120800.007123600.007154600.007154700.006193400.005193500.005241900.0050.4802.878740.01079920.01180100.009100100.008100200.008100800.009125200.007128200.008160300.007160400.006200600.006200600.005250900.0050.5152.981550.01182780.01282960.010103700.009103800.009104500.010129700.008132800.008166100.007166100.007207700.006207800.006259900.0050.5513.084360.01285630.01385820.011107200.010107400.009108000.011134200.008137400.009171800.008171900.007214900.007215000.006268800.0060.5893.187170.01288480.01488680.011110800.010110900.010111600.011138600.009141900.009177500.008177600.008222100.007222100.007277800.0060.6273.289980.01397340.01591540.012114400.011114500.011115200.012143100.009146500.010183200.009188300.008229200.007229300.007286700.0060.6673.392800.01494190.01594400.013118000.011118100.011118900.013147600.010151100.010189000.009189000.009236400.008236500.007295700.0060.7083.495610.01597050.01697260.014121500.012121700.012122500.013152100.010155700.011194700.010194800.009243600.008243800.008304700.007钢板制矩形通风管道计算表表5 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）120×120160×120200×120160×160250×120200×160250×160200×200250×200320×160250×250320×200400×2000.7503.51750.1712350.1452940.1293150.1193660.1173940.1044910.0934940.0906160.0796300.0837720.0687900.0699890.0630.7943.61800.1802420.1523030.1363240.1253770.1244050.1095050.0985080.0946340.0836480.0877940.0718130.07310170.0660.8393.71850.1902480.1603110.1433330.1323870.1304170.1155190.1035220.0996510.0876660.0928160.0758550.07710460.0690.8853.81900.1992550.1683200.1503420.1383980.1374280.1215330.1085360.1046690.0926840.0978380.0798580.08110740.0730.9323.91950.2092620.1763280.1573500.1454080.1434390.1275470.1135500.1096860.0967020.1018600.0838800.08511020.0770.9804.02010.2192680.1853360.1653590.1524190.1504500.1335610.1195650.1157040.1017200.1068820.0879030.08911300.0801.034.12060.2292750.1933450.1733680.1594290.1574620.1395750.1245790.1207240.1057380.1119040.0919260.09311590.0841.084.22110.2402820.2023530.1813770.1664400.1654730.1465890.1305930.1257390.1107560.1169260.0959480.09711870.0881.134.32160.2512890.2113620.1893680.1744500.1724840.1526030.1366070.1317570.1157740.1219480.0999710.10112150.0921.194.42210.2612950.2213700.1973950.1814610.1794950.1596170.1426210.1377740.1207920.1279700.1049930.10612440.0961.244.52260.2733020.2303780.2054040.1894710.1875070.1656340.1486350.1437920.1258100.1329920.10810160.11012720.1001.304.62310.2843090.2393870.2144130.1974820.1955180.1726460.1546400.1498090.1318280.13810140.11310380.11513000.1041.354.72360.2953150.2493950.2234220.2054920.2035290.1796600.1606630.1558270.1368460.14310360.11710610.12013280.1081.414.82410.3073220.2594040.2314310.2135030.2115410.1876740.1676770.1618450.1418640.14910590.12210840.12413570.1231.474.92460.3193290.2694120.2404400.2215130.2195520.1946880.1736920.1678620.1478820.15510810.12711060.12913850.117钢板制矩形通风管道计算表表6 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）320×250500×200400×250320×320500×250400×320630×250500×320400×400500×400630×320500×500630×4000.7503.59900.05912380.05812400.05212700.05015510.04815900.04419510.04419900.03919910.03824920.03325040.03531190.02931360.0300.7943.610180.06212730.06112750.05513060.05315960.05016360.04620070.04620470.04120480.04025630.03525760.03732080.03032260.0310.8393.710470.06513090.06413100.05813430.05516400.05316810.04920630.04821040.04321050.04226340.03726470.03932970.03233160.0330.8853.810750.06813440.06713460.06113790.05816840.05517270.05121190.05121610.04521620.04427050.03927190.04133860.03334050.0340.9323.911030.07213800.07013810.06414150.06117290.05817720.05321740.05322180.04822180.04627760.04127910.04334750.03534950.0360.9804.011320.07514150.07414170.06714520.06417730.06118170.05622300.05622750.05022750.04828480.04328620.04535640.03735840.0381.034.111600.07914500.07714520.07014880.06718170.06418630.05922860.05823310.05223320.05129190.04529340.04736530.03936740.0401.084.211880.08214860.08114880.07315240.07018610.06719080.06123420.06123880.05523890.05329900.04730050.04937420.04037640.0411.134.312160.08615210.08415230.07715600.07319060.07019540.06423970.06424410.05724460.05530610.04930770.05238310.04238530.0431.194.412450.09015560.08815580.08015970.07619500.07319990.06724530.06725020.06025030.05831320.05131480.05439200.04439430.0451.244.512730.09415920.09215940.08416330.08019950.07620450.07025090.06925590.06225600.06032040.05332200.05640100.04640320.0471.304.613010.09816270.09616290.08716690.08320390.07920900.07325650.07226160.06426170.06332750.05532910.05940990.04841220.0491.354.713300.10116620.09916650.09117060.08620830.08221350.07626200.07526730.06726730.06533460.05733630.06141880.05042120.0511.414.813580.10616980.10317000.09417420.09021280.08521810.07926760.07827290.07027300.06834170.06034350.06342770.05243010.0531.474.913860.11017330.10817350.09817780.09321720.08922260.08227320.08127860.07327870.07134880.06235060.06643660.05443910.055钢板制矩形通风管道计算表表7 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）800×320630×5001000×320800×400630×6301000×400800×5001250×4001000×500800×6301250×5001000×630800×8000.7503.531830.03239260.02539820.03039870.02749530.02249870.02449910.02262290.02362430.02062960.01978000.01978760.01780040.0160.7943.632740.03440390.02740960.03241010.02850950.02351300.02651340.02464070.02464220.02164760.02080230.02081020.01882320.0170.8393.733650.03641510.02842100.03342150.02952360.02452720.02752760.02565850.02566000.02266560.02182460.02183270.01984610.0180.8853.834560.03742630.02943240.03543280.03153780.02554150.02854190.02667630.02767790.02468360.02284690.02285520.02086900.0190.9323.935470.03943750.03144370.03744420.03355200.02655570.03055610.02769410.02869570.02570160.02386920.02387770.02189180.0200.9804.036380.04144870.03245510.03845560.03456610.02857000.03157040.02971190.02971350.02671960.02489140.02490020.02291470.0211.034.137290.04345990.03446650.04046700.03658030.02958420.03358470.03072970.03173140.02773760.02591370.02592270.02393760.0221.084.238200.04547120.03547790.04247840.03759440.03059850.03459890.03174750.03274920.02875560.02793600.02694520.02496040.0231.134.339110.04748240.03748920.04448980.03960860.03261270.03661320.03376530.03376700.03077360.02895830.02796770.02598330.0241.194.440020.04949360.03950060.04650120.04162270.03362700.03762740.03478310.03578490.03179160.02998060.02999020.026100600.0251.244.540930.05150480.04051200.04851260.04263690.03564120.03964170.03680090.03680270.03280950.030100300.030101300.027102900.0261.304.641840.05351600.04252340.05052400.04465100.03665550.04165600.03781870.03882060.03482750.031102500.031103500.028105200.0271.354.742750.05652730.04453480.05253540.04666520.03866970.04267020.03983650.03983840.03584550.033104700.032105800.029107500.0281.414.843660.05853850.04554610.05454680.04869730.03968400.04468450.04085430.04185620.03686350.034107000.034108000.030109800.0291.474.944570.06054970.04755750.05655810.05069350.04169820.04669870.04287210.04387410.03888150.035109200.035110300.032112100.030钢板制矩形通风管道计算表表8 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）1250×6301600×5001000×8001250×8001000×10001600×6301250×10001600×8002000×8001600×10002000×10001600×12502000×12500.7503.598420.01599900.017100100.014125100.013125300.012126100.014156500.011160300.011200400.011200500.010250700.009250800.008313600.0070.7943.6101200.016102800.018103000.015128700.013128800.013129700.015161000.011164800.012206700.011206200.010257600.009257900.009322600.0080.8393.7104000.017105600.019105800.016132300.014132400.014133000.016165500.012169400.013211900.012211900.011265000.010265100.009331500.0080.8853.8106900.018108500.020108700.017135800.015136000.014136900.016170000.013174000.013217600.012217700.011272200.010272300.010340500.0090.9323.9109700.019111300.021111600.017139400.016139600.015140500.017174400.013178600.014223300.013223400.012279400.011279400.010349500.0090.9804.0112500.020114200.022114400.018143000.016143100.016144100.018178900.014183100.015229900.013229100.012286500.011286600.011358400.0091.034.1115300.021117000.023117300.019146600.017146700.017147700.019183400.015187700.015234800.014234900.013293700.012293800.011367400.0101.084.2118100.022119900.024120100.020150100.018150300.017151300.020187800.015192300.016240500.015240600.014300900.012300900.012376300.0101.134.3120900.022122700.025123000.021153700.019153900.018154900.021192300.016196900.017246200.015246300.014308000.013308100.012385300.0111.194.4123700.023125600.026125900.022157300.020157500.019158500.021196800.017201500.018251900.016252000.015315200.013315300.013394300.0111.244.5126500.024128400.028128700.023160900.020161000.020162100.022201300.017206000.018257000.017257800.015322300.014322400.013403200.0121.304.6129400.026131300.029131600.024164400.021164600.021165700.023205700.018210600.019263400.018263500.016329500.015329600.014412200.0121.354.7132200.027134200.030134400.025168000.022168200.021169300.024210200.019215200.020269100.018269200.017336700.015336800.014421100.0131.414.8135000.028137000.031137300.026171600.023171800.022172900.025214700.020219800.021274800.019275000.017343800.016343900.015430100.0131.474.9137800.029139900.032140200.027175200.024175300.023176500.026219200.020224400.021280600.020280700.018351000.016351100.015439100.014钢板制矩形通风管道计算表表9 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）120×120160×120200×120160×160250×120200×160250×160200×200250×200320×160250×250320×200400×2001.535.02510.3313360.2804210.2504490.2305230.2275630.2017020.1807060.1748800.1539000.16111030.13211290.13414130.1221.595.12560.3443420.2904290.2594580.2395340.2365740.2097160.1867200.1808970.1589180.16711250.13711510.13914410.1261.665.22610.3573490.3014370.2694690.2475440.2455860.2177300.1937340.1879150.1649360.17311470.14211740.14414700.1311.725.32660.3693560.3124460.2784760.2565550.2545970.2247440.2007480.1939330.1709540.17911690.14711960.15014980.1361.795.42710.3833620.3234540.2884850.2655650.2636080.2327580.2077620.2009500.1769720.18611910.15212190.15515260.1401.855.52760.3963690.3344630.2984940.2755760.2726190.2407720.2157760.2079680.1829900.19212130.15712420.16015540.1451.925.62810.4093760.3454710.3095030.2845860.2816310.2497860.2227900.2149850.18910080.19912350.16312640.16615830.1501.995.72860.4233830.3574790.3195120.2945970.2906420.2578000.2308040.22210030.19510260.20512570.16812870.17216110.1552.065.82910.4373890.3694880.3295210.3036070.3006530.2668140.2378190.22910210.20110440.21212790.17413090.17716390.1612.135.92960.4513960.3814960.3405300.3136180.3106640.2748280.2458330.23610380.20810620.21913010.17913320.18316670.1662.216.03010.4664030.3935050.3515390.3236280.3206760.2838420.2538470.24410560.21510800.22613230.18513540.18916960.1712.286.13060.4804090.4055130.3625480.3336390.3306870.2918560.2618610.25210730.22110980.23313450.19113770.19517240.1762.356.23110.4954160.4185210.3735570.3446490.3406980.3018700.2698750.26010910.22811160.24013670.19714000.20117520.1822.436.33160.5104230.4315300.3855660.3546600.3507100.3108840.2778890.26711090.23511340.24813890.20314220.20717810.1872.516.43210.5264300.4445380.3965750.3656700.3617210.3198980.2859030.27611260.24211520.25514110.20914450.21318090.193钢板制矩形通风管道计算表表10 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）320×250500×200400×250320×320500×250400×320630×250500×320400×400500×400630×320500×500630×4001.535.014140.11417690.11217710.10218150.09722160.09222720.08527880.08528430.07628440.07335600.06535780.06844550.05644810.0571.595.114430.11818040.11618080.10618510.10022610.09623170.08828430.08829000.07929010.07636310.06736490.07145440.05845700.0601.665.214710.12318390.12018420.10918870.10423050.09923630.09128990.09129570.08229580.07937020.06937210.07446330.06046600.0621.725.314990.12718750.12418770.11319230.10823490.10324080.09529550.09430140.08430150.08237730.07237920.07647220.06247490.0641.795.415280.13219100.12919130.11719600.11223940.10624530.09830110.09830710.08830720.08538440.07538640.07948120.06548390.0661.855.515560.13619450.13319480.12219960.11624380.11024990.10230660.10131270.09131290.08839160.07739350.08249010.06749290.0691.925.615840.14119810.13819930.12620320.12024820.11425440.10531220.10531840.09431850.09139870.08040070.08549900.06950180.0711.995.716120.14620160.14320190.13020690.12425270.11825900.10931780.10832410.09732420.09440580.08340790.03850790.07151080.0732.065.816410.15020520.14720540.13421050.12825710.12226350.11232340.11232980.10032990.09741290.08541500.09051680.07451970.0762.135.916700.15520870.15220900.13921410.13226150.12626810.11632890.11533550.10333560.10042000.08842220.09352570.07652870.0782.216.016970.16021220.15721250.14321770.13626600.13027260.12033450.01934120.10734130.10342720.09142930.09653460.07953770.0812.286.117260.16521580.16221600.14822140.14127040.13427710.12334010.12334690.11034700.10743430.09443650.09954350.08154660.0832.356.217540.17021930.16721960.15222500.14527480.13828170.12734570.12735260.11335270.11044140.09744360.10355240.08455560.0862.436.317820.17622280.17222310.15722860.14927930.14228620.13135120.13035820.11735840.11344850.10045080.10656130.08656450.0892.516.418110.18122640.17722670.16223230.15428370.14629080.13535680.13436390.12036400.11745560.10345790.10957030.08957350.091钢板制矩形通风管道计算表表11 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）800×320630×5001000×320800×400630×6301000×400800×5001250×4001000×500800×6301250×5001000×630800×8001.535.045480.06356090.04956890.05856950.05270760.04271250.04871300.04388990.04489190.03989950.037111400.036112500.033114300.0321.595.146390.06557210.05158030.06058090.05472180.04472670.04972730.04590770.04690980.04191740.038113700.038114700.034116800.0331.665.247300.06758330.05359160.06359230.05673590.04574100.05174150.04792550.04892760.04293550.040115900.039117000.035118900.0341.725.348210.07059460.05560300.06560370.05875010.04775520.05375580.04894330.04994540.04495350.041118100.040119300.037121200.0351.795.449110.07260580.05761440.06461510.06076420.04976950.05577000.05096110.05196330.04597150.042120300.042121500.038123500.0361.855.550020.07561700.05962580.07062650.06277840.05078370.05778430.05297890.05398110.04798940.044122600.043123800.039125800.0381.925.650930.07762820.06163720.07263790.06479250.05279800.05979860.05499670.05599890.049100700.045124800.045126000.041128100.0391.995.751840.08063940.06364850.07464930.06680670.05481220.06181280.055101500.057101700.050102500.047127000.046128300.042130300.0402.065.852750.08365070.06565990.07766070.06882090.05682640.06382710.057103200.059103500.052104300.049129300.048130500.043132600.0422.135.953660.08566190.06767130.07967210.07183500.05884070.06584130.059105000.060105200.054106100.050131500.049132800.045134900.0432.216.054570.08867310.06968270.08268340.07384920.05985490.06785560.061106800.062107000.055107900.052133700.051135000.046137200.0442.286.155480.09168430.07169400.08569480.07586330.06186920.06986990.063108600.064108800.057109700.053135900.053137300.048139500.0462.356.256390.09469550.07370540.08770620.07787750.06388340.07188410.065110400.066110600.059111500.055138200.054139500.049141800.0472.436.357300.09670680.07671680.09071760.08089160.06589770.07389840.067112100.068112400.061113300.057140400.056131800.051144100.0492.516.458210.09971800.07872820.09372900.08290580.06791190.07691260.069113900.070114200.063115100.058142600.058144000.052146400.050钢板制矩形通风管道计算表表12 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）1250×6301600×5001000×8001250×8001000×10001600×6301250×10001600×8002000×8001600×10002000×10001600×12502000×12501.535.0140600.030142700.034143000.028178700.025178900.024180100.027223600.021228900.022286300.021286400.019358200.017358300.016448000.0141.595.1143400.031145600.035145900.029182300.026182500.025183700.028228100.022233500.023292000.021292100.020365300.018366400.017457000.0151.665.2146200.032148400.036148800.030185900.027186100.026187300.029232600.023238100.024297700.022297900.020372500.018372600.017465900.0151.725.3149000.033151300.037151600.031189500.028189700.027190900.030237000.024242700.025303500.023303600.021379700.019379800.018474900.0161.795.4151800.034154100.039154500.032193000.029193200.028194500.032241500.025247200.026309200.024309300.022386800.020386900.018483900.0171.855.5154700.036157000.040157300.033196600.030196800.029193100.033246000.025251800.027314900.025315100.022394000.020394100.019492800.0171.925.6157500.037159800.041160200.034200200.031200400.030201700.034250500.026256400.028320600.025320800.023401100.021401200.020501800.0181.995.7160300.038162700.043163100.035203800.032204000.031205300.035234900.027261000.029326400.026326500.024408300.022408400.020510700.0182.065.8163100.039165600.044165900.037207300.033207600.032208900.036259400.028265600.030332100.027332200.025415500.023415600.021519700.0192.135.9165900.041168400.046168800.038210900.034211100.033212500.037263900.029270100.030337800.028338000.026422600.023422700.022528700.0202.216.0168700.042171300.047171600.039214500.035214700.034216100.038268400.030274700.031343500.029343700.026429800.024429900.023537600.0202.286.1171500.043174100.049174500.040218100.036218300.065219700.040272800.031279300.032349300.030349400.027437000.025427100.023546600.0212.356.2174400.045177000.050177400.042221600.037221900.036223300.041277300.032283900.033355000.031355100.028444100.026444200.024555500.0222.436.3177200.046179800.052180200.043225200.038225400.037226900.042281800.033288500.034360700.032360900.029451300.026451400.023564500.0222.516.4180000.047182700.053183100.044228800.040229000.038230500.043286200.034293000.036366400.033366600.030458500.027458600.025573500.023钢板制矩形通风管道计算表表13 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）120×120160×120200×120160×160250×120200×160250×160200×200250×200320×160250×250320×200400×2002.596.53260.5414360.4575470.4085840.3766810.3727320.3299120.2949170.28411440.24911700.26314330.21514670.22018370.1982.676.63310.5574430.4705550.4205930.3876910.3827430.3399260.3029310.29211610.25711880.27114550.22114890.22618650.2052.756.73360.5734500.4845640.4326020.3987010.3937550.3489400.3119460.30011790.26412060.27814780.22815120.23218940.2112.836.83410.5894560.4975720.4446110.4097120.4057660.3589540.3209600.30911970.27112240.28615000.23415350.23919220.2162.926.93460.6064630.5115800.4566200.4207220.4167770.3689680.3299740.31712140.27912420.29415220.24115580.24619500.2233.007.03510.6224700.5255890.4696290.4327330.4277880.3789820.3389880.32612320.28712600.30215440.24715800.25219780.2293.097.13560.6404770.5395970.5396380.4437430.4398000.3889960.34710020.33512490.29512780.31015660.25416030.25920070.2353.187.23610.6564830.5546060.4956470.4557540.4518110.39910100.35610160.34412670.30212960.31915880.26116250.26620350.2413.267.33660.6734900.5686140.5086560.4677640.4628220.40910240.36610300.35312850.31013140.32316100.26816480.27320630.2483.357.43710.6914970.5836220.5216650.4797750.4748330.42010380.37510440.36213020.31813320.33616320.27516700.28020910.2543.457.53760.7095030.5986310.5346740.4927850.4878450.43110520.38510590.37213200.32713500.34416540.28216930.28821200.2603.547.63810.7265100.6136390.5486830.5047960.4998560.44210670.39410730.38113370.33513680.35316760.28917160.29521480.2673.637.73860.7455170.6286480.5616920.5178060.5118670.45310810.40410870.39013550.34313860.36216980.29617380.30221760.2743.737.83910.7635240.6446560.5757010.5308170.5248780.46410950.41411010.40013730.35214040.37117200.30417610.31022040.2813.827.93960.7825300.6606640.5897100.5438270.5378900.47511090.42411150.41013900.36014220.38017420.31117830.31722330.287钢板制矩形通风管道计算表表14 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）320×250500×200400×250320×320500×250400×320630×250500×320400×400500×400630×320500×500630×4002.596.518390.18622990.18323020.16623590.15828810.15129530.13936240.13836960.12436970.12046270.10646510.11257920.09158250.0942.676.618670.19223350.18823380.17123950.16329260.15529990.14336800.14237530.12837540.12446990.10947230.11558810.09459140.0972.756.718950.19723700.19323730.17624310.16829700.16030440.14737350.14738100.13138110.12747700.11247940.11959700.09760040.1002.836.819240.20324050.19924080.18124680.17230140.16430900.15137910.15138670.13538680.13148410.11548660.12260590.10060940.1022.926.919520.20924410.20424440.18625040.17730590.16931350.15638470.15539240.13939250.13549120.11849370.12561480.10261830.1053.007.019800.21424760.21024790.19125400.18231030.17331800.16039030.15939800.14339820.13849830.12250090.12962370.10562730.1083.097.120090.22025110.21625150.19625770.18731470.17832260.16439580.16340370.14740390.14250550.12550800.13263260.10863620.1113.187.220370.22625470.22125500.20226130.19231920.18332710.16940140.16840940.15040960.14651260.12851520.13664150.11164520.1143.267.320650.23225820.22725850.20726490.19732360.18833170.17340700.17241510.15441520.15051970.13252230.14065040.11465420.1173.357.420930.23826180.23326210.21226850.20232800.19333620.17841260.17742080.15842090.15352680.13552950.14365940.11766310.1203.457.521220.24426530.23926560.21827220.20733250.19734080.18241810.18142650.16342660.15853390.13853660.14766830.12067210.1233.547.621500.25026880.24526920.22327580.21333690.20334530.18742370.18643220.16743230.16254110.14254380.15167720.12368100.1263.637.721780.25727240.25127270.22927940.21834130.20834980.19242930.19143790.17143800.16654820.14655100.15468610.12669000.1303.737.822070.26327590.25827630.23628310.22334580.21335440.19643490.19544350.17544370.17055530.14955810.15869500.12969900.1333.827.922350.26927940.26427980.24028670.23035020.21835890.20144040.20044930.17944940.17456240.15356530.16270390.13270790.136钢板制矩形通风管道计算表表15 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）800×320630×5001000×320800×400630×6301000×400800×5001250×4001000×500800×6301250×5001000×630800×8002.596.559120.10272920.08073960.09574040.08591990.06992620.07892690.071115700.073115900.064116900.060144900.059146300.054148600.0522.676.660030.10574040.08275090.09875180.08793410.07194040.08094120.073117500.075117700.066118700.062147100.061148500.055150900.0532.756.760940.10875160.08576230.10176320.09094820.07395470.08295540.075119200.077119500.068120500.064149300.063150800.057153200.0552.836.861850.11176280.08777370.10477460.09296240.07596890.08596970.077121000.079121300.070122300.066151500.065153000.059155500.0562.926.962760.11577410.09078510.10778600.09597650.07798320.08798390.080122800.081123100.072124100.067153800.066155300.060157800.0583.007.063670.11878530.09279640.11079740.09799070.07999740.09099820.082124600.083124900.074125900.069156000.068157500.062160100.0593.097.164580.12179650.09580780.11380870.100100500.082101200.092101200.084126400.086126700.076127700.071158200.070159800.064162300.0613.187.265490.12480770.09781920.11682010.103101900.084102600.094102700.086128100.088128400.078129500.073160500.072162000.065164600.0633.267.366400.12781890.10083060.11983150.105103000.086104000.097104100.089129900.090130200.080131300.075162700.074164300.067166900.0643.357.467310.13183020.10284200.12284290.108104700.088105400.100105500.091131700.093132000.082133100.077164900.076166500.069169200.0663.457.568220.13484140.10585330.12585430.111106100.091106900.102106900.093133500.095133800.085134900.079167100.078168800.071171500.0683.547.669120.13885260.10886470.12886570.114107600.093108300.105108400.096135300.098135600.087136700.081169400.080171000.072173800.0693.637.770030.14186380.11087610.13187710.117109000.095109700.107109800.098137000.100137400.089138500.083171600.082173300.074176100.0713.737.870940.14487500.11388750.13588850.120110400.098111100.110111200.100138800.102139100.091140300.085173800.084175500.076178400.0733.827.971850.14888620.11689880.13889990.122111800.100112600.113112700.103140600.105140900.093142100.087176100.086177800.078180700.075钢板制矩形通风管道计算表表16 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）1250×6301600×5001000×8001250×8001000×10001600×6301250×10001600×8002000×8001600×10002000×10001600×12502000×12502.596.5182800.049185500.055185900.045232400.041232600.039234100.045290700.035297600.037372200.034372300.031465600.028465700.026582400.0242.676.6185600.050188400.057188800.047236000.042236200.041237700.046295200.026302200.038277900.035378100.032472800.029472900.027591400.0242.756.7188400.052191200.058191700.048239500.043239800.042241300.047299700.037206800.039383600.036383800.033479900.030480100.028600300.0252.836.8191200.053194100.060194500.050243100.044243300.043244900.049304100.038311400.040389400.037389500.033487100.030487200.029609300.0262.926.9194000.055196900.061197400.051246700.046246900.044248500.050308600.039315900.041395100.038395200.034494300.031494400.029618300.0263.007.0196800.056199800.063200200.052250200.047250500.045252100.051313100.040320500.042400800.039401000.035501400.032501600.030627200.0273.097.1199700.058202700.065203100.054253800.048254100.047255700.053317500.041325100.043406500.040406700.036508600.033508700.031636200.0283.187.2202500.059205500.067206000.055257400.049257700.048259300.054322000.042329700.044412300.048412400.037515800.034515900.032645100.0293.267.3205300.061208400.068208800.057261000.051261200.049262900.056326500.043334200.046418000.049418200.038522900.035523100.033654100.0293.357.4208100.063211200.070211700.058264500.052264800.050266500.057331000.044338800.047423700.043423900.039530100.036530200.034663100.0303.457.5210900.064214100.072214500.060268100.053268400.052270100.059335400.046343400.048429400.044429600.040537200.037537400.034672000.0313.547.6213700.066216900.074217400.061271700.055272000.053273700.060339900.047348000.049435200.045435300.041544400.038544600.035681000.0323.637.7216500.067219800.076220300.063275300.056275500.054277300.062344400.048352600.050440900.046441100.042551600.039551700.036689900.0323.737.8219300.069222600.078223100.064278800.058279100.056280900.063348900.049357100.052446600.048446800.043558700.039558900.037698900.0333.827.9222200.071225500.079226000.066282400.059282700.057284500.065353300.050361700.053452300.049452500.045565900.040566000.038707900.034钢板制矩形通风管道计算表表17 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）120×120160×120200×120160×160250×120200×160250×160200×200250×200320×160250×250320×200400×2003.928.04010.8005340.6766730.6037190.5568380.5509010.48711230.43511290.42014080.36914400.38917640.31918060.32522610.2944.028.14060.8195440.6926810.6187280.5698480.5639120.49811370.44511430.43014250.37814580.39817860.32618290.33322890.3014.128.24110.8395500.7086900.6327370.5828580.5769240.51011510.45511570.44014430.38714760.40818080.33418510.34123180.3084.228.34160.8585570.7246980.6477460.5968690.5899350.52211650.46611710.45014610.39614940.41718300.34218740.34823460.3164.328.44210.8785640.7417070.6627550.6098790.6039460.53411790.47711860.46014780.40515120.42718520.34918960.35623740.3234.438.54260.8985710.7587150.6777640.6238900.6179570.54611930.48812000.47114960.41415300.43618740.35719190.36524020.3304.538.64310.9185770.7757230.6927730.6379000.6309690.55812070.49912140.48115130.42315480.44618960.36519410.37324310.3384.648.74360.9385840.7927320.7077820.6519110.6449800.57112210.51012280.49215310.43315660.45619190.37319640.38124560.3454.748.84410.9595910.8097400.7237910.6669210.6599910.58312350.52112420.50315490.44215840.46619410.38219870.38924870.3534.858.94460.9795970.8277490.7398000.6809350.67310020.59612490.53212560.51415660.45216020.47619630.39020090.39825150.3604.969.04511.0006040.8447570.7548090.6959420.68710140.60812630.54312700.52515840.46116200.48619850.39820320.40625440.3685.079.14561.026110.8627650.7708180.7049530.70210250.62112770.55512840.53616010.47116380.49720070.40720540.41525720.3765.189.24611.046170.8807740.7878270.7249630.71710360.63412910.56712980.54716190.48116560.50720290.41520770.42426000.3845.309.34661.066240.8997820.8038360.7399740.73110470.64813050.57813130.55916370.49116740.51820510.42420990.43326280.3925.419.44711.096310.9177910.8198450.7549840.74310590.66113190.59013270.57016540.50116920.52820730.43321220.44126570.400钢板制矩形通风管道计算表表18 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）320×250500×200400×250320×320500×250400×320630×250500×320400×400500×400630×320500×500630×4003.928.022630.27628300.27028330.24629030.23435460.22336350.20644600.20545460.18445510.17856950.15657240.16671280.13571690.1394.028.122910.28228650.27728690.25229400.24035910.22836800.21145160.21046060.18846070.18257670.16057960.17072170.13972580.1434.128.223200.28929010.28329040.25829760.24638350.23437260.21645720.21546630.19246640.18758380.16458670.17473060.14273480.1464.228.323480.29629360.29029400.26430120.25136790.23937710.22146270.22047200.19747210.19159050.16859390.17873950.14574380.1494.328.423760.30329710.29729750.27030480.25737230.24538160.22646830.22547770.20147780.19559800.17260100.18274850.14975270.1534.438.524050.30930070.30330100.27630850.26337680.25038620.23147390.23048330.20648350.20060510.17660820.18675740.15276170.1564.538.624330.31630420.31030460.28231210.26938120.25639070.23647950.23548900.21148920.20461230.18061540.19076630.15577070.1604.648.724610.32330770.31730810.28931570.27538560.26239530.24148500.24049470.21549490.20961940.18462250.19577520.15977960.1634.748.824890.33131130.32431170.29531930.28139010.26739980.24749060.24650040.22050060.21362650.18862970.19978410.16278860.1674.858.925180.33831480.33131520.30232300.28739450.27340440.25249620.25150610.22550630.21863360.19263680.20379300.16679750.1714.969.025460.34531840.33831880.30832660.29339900.27940890.25850180.25651180.23051190.22364070.19664400.20880190.16980650.1745.079.125740.35232190.34532230.31533020.29940340.28541350.26350740.26251750.23551760.22764780.20065110.21281080.17381550.1785.189.226030.36032540.35332580.32133390.30640780.29141800.26951290.26752320.24052330.23265500.20465830.21681970.17789440.1825.309.326310.36732900.36032940.32833750.31241220.29742250.27451850.27352880.24552900.23766210.20866540.22182870.18083340.1865.419.426590.37533250.36733290.33534110.31941670.30342710.28052410.27853450.25053470.24266920.21367260.22683760.18484230.189钢板制矩形通风管道计算表表19 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）800×320630×5001000×320800×400630×6301000×400800×5001250×4001000×500800×6301250×5001000×630800×8003.928.072760.15289750.11991020.14191130.125113200.102114000.115114100.105142400.108142700.096143900.089178300.088180000.080182900.0774.028.173570.15590870.12292160.14492260.128114600.105115400.118115500.108144200.110144500.098145700.091180500.090182300.082185200.0784.128.274580.15991990.12493300.14893400.131116100.107116800.121116900.110145900.113146300.100147500.094182700.092184500.084187500.0804.228.375490.16393110.12794440.15194540.135117500.110118300.124118400.113147700.115148100.102149300.096185000.094186800.086189800.0824.328.476400.16694230.13095570.15595680.138118900.112119700.127119800.116149500.118149800.105151100.098187200.097189000.088192100.0844.438.577310.17095360.13396710.15896810.141120300.115121100.129121200.118151300.121151600.107152900.100189400.099191300.090194400.0864.538.678220.17496480.13697850.16297960.144121700.117122500.132122600.121153100.123153400.110154700.0102191700.101193500.092196700.0884.648.779130.17897600.13998990.16699100.147123100.120124000.135124100.124154800.126155200.112156500.105193900.103195800.094198900.0904.748.880040.18298720.142100100.169100200.150124500.123125400.138125500.126156600.129157000.115158300.107196100.105198000.096201200.0924.858.980950.18699840.145101300.173101400.154126000.125126800.141126900.129158400.132158800.117160100.109198300.108200300.098203500.0944.969.081860.190101000.149102400.177102500.157127400.128128200.144128300.132160200.135160500.120161900.112200600.110202500.100205800.0965.079.182770.194102100.152103500.180103700.160128800.131129700.147129800.135162000.137162300.122163700.114202800.112204800.102208100.0985.189.283680.198103200.155104700.184104800.163130200.133131100.151131200.137163700.140164100.125165500.116205090.115207000.104210400.1005.309.384590.202104300.158105800.188105900.167131600.136132500.154132600.140165500.143165900.127167300.119207300.117209300.106212700.1025.419.485500.206105500.161107000.192107100.170133000.139133900.157134000.143167300.146167700.130169100.121209500.119211500.109215000.104钢板制矩形通风管道计算表表20 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）1250×6301600×5001000×8001250×8001000×10001600×6301250×10001600×8002000×8001600×10002000×10001600×12502000×12503.928.0225000.072228300.081228800.067286000.060286300.059288100.066357800.052366300.054458100.050458300.046573100.041577200.039716800.0354.028.1227800.074231200.083231700.069289600.062289900.060291700.068362300.053370900.055463800.051464000.047580200.042580400.040725800.0364.128.2230600.076234100.085234600.071293100.063293400.061295300.069366700.054375500.057469500.052469700.048587400.043587500.041734700.0374.228.3233400.078236900.087237400.072296700.065297000.063298900.071371200.055380000.058475200.054475400.049594600.044594700.042743700.0374.328.4236200.080239800.089240300.074300300.066300600.064302500.073375700.057384600.059481000.055481200.050601700.045601900.043752700.0384.438.5239020.081242600.091243200.076303900.068304200.066306100.074380200.058389200.061486700.056486900.051608900.046609000.044761600.0394.538.6241800.083245500.093246000.077307500.069307800.067309700.076384600.059393800.062492400.057492600.052616000.048616200.045770600.0404.648.7244600.085248300.096248900.079311000.071311300.069313300.078389100.060398300.064498100.058498400.053623200.049623400.046779500.0414.748.8247500.087251200.098251700.081314600.072314900.070316900.079393600.062402900.065503900.060504100.055630400.050630500.047788500.0424.858.9250300.089254000.100254600.083318200.074318500.072320500.081398100.063407500.066509600.061509800.056637500.051637700.048797500.0434.969.0253100.091256900.102257500.084321700.075322100.073324100.083402500.064412100.068515300.062515500.057644700.052644900.049806400.0445.079.1255900.093259800.104260300.086325300.077325600.075327700.085407000.066416700.069521000.064521300.058651900.053652000.050815400.0455.189.2258700.095262600.106263200.088328900.079329200.076331300.086411500.067421200.071526800.065527000.059659000.054659200.051824300.0465.309.3261500.097265500.108266000.090332500.080332800.078334900.088415900.069425800.072532500.066532700.061666200.055666400.052833300.0465.419.4264300.099268300.111268900.092336000.082336400.080338600.090420400.070430400.074538200.068538500.062673400.056673500.053842300.048钢板制矩形通风管道计算表表21 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）120×120160×120200×120160×160250×120200×160250×160200×200250×200320×160250×250320×200400×2005.539.54761.116380.9367990.8368540.7709950.76210700.67413330.60213410.58216720.51117100.53920950.44121450.45026850.4085.659.64811.136440.9558070.8538630.78510050.77710810.68813470.61413550.59316890.52217280.55021170.45021670.45927130.4165.769.74861.156510.9748160.8708720.80110160.79210920.70213610.62713690.60517070.53217460.56121390.45921900.46927410.4245.889.84911.186580.9938240.8878810.81710260.80811040.71513750.63913830.61717250.54317640.57221610.46822120.47827700.4336.009.94961.206641.018330.9048900.83310360.82411150.72913890.65213970.62917420.55317820.58321830.47822350.48727890.4416.1310.05011.226711.038410.9228990.84410470.84011260.74414030.66414110.64117600.56418000.59422050.48722570.49728260.4506.2510.15061.256781.058500.9399080.86510570.85611370.75814170.67714250.65417770.57518180.60622270.49622800.50628540.4586.3710.25111.276851.078580.9579170.88110680.87211490.77214310.69014400.66617950.58618360.61722490.50623030.51628830.4676.5010.35161.296911.098660.9759260.89810780.88811600.78714450.70314540.67918130.59718540.62922710.51523250.52529110.4766.6310.45211.326981.118750.9939350.91510890.90511710.80114590.71614680.69118300.60818720.64122930.52523480.53529390.4856.7510.55261.347051.138831.019440.93110990.92211830.81614730.72914820.70418480.61918900.65223150.53423700.54529680.4946.8810.65311.377111.158921.039530.94811100.93911940.83114880.74214960.71718650.63019080.66423380.54423930.55529960.5037.0110.75361.397181.179001.059620.96611200.95512050.84615020.75615100.73018830.64219260.67623600.55424150.56530240.5127.1410.85411.427251.199081.079710.98311310.97312160.86115160.76915240.74319010.65319440.68823820.56424380.57530520.5217.2810.95461.447321.229171.099801.0011410.99012280.87615300.78315380.75619180.66519620.70124040.57424610.58530810.530钢板制矩形通风管道计算表表22 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）320×250500×200400×250320×320500×250400×320630×250500×320400×400500×400630×320500×500630×4005.539.526870.38233600.37533650.34134480.32542110.30943160.28552970.28454020.25554040.24767630.21767980.23084650.18885130.1935.659.627160.39033960.38234000.34834840.33242550.31643620.29153520.29054690.26054610.25268340.22168690.23585540.19286070.1975.769.727440.39834310.39034350.35535200.33843000.32244070.29754080.29655160.26555180.25769060.22669410.23986430.19586920.2015.889.827720.40634660.39834710.36235560.34543440.32844530.30354640.30155730.27055740.26269770.23070120.24487320.20087820.2056.009.928010.41435020.40535060.36935930.35243880.33544980.30955200.30756300.27556310.26770480.23570840.24988210.20388710.2096.1310.028290.42235370.41335420.37636290.35844330.34145430.31555750.31356860.28156880.27271190.23971550.25489100.20789610.2136.2510.128570.43035730.42135770.38436650.36544770.34845890.32156310.31957430.28757450.27871900.24472270.25989990.21190510.2176.3710.228860.43836080.42936130.39137020.37245210.35446340.32756870.32558000.29258020.28372620.24972980.26490880.21591400.2216.5010.329140.44636430.43736480.39837380.37945660.36146800.33357430.33158570.29758590.28873330.25373700.26991780.21992300.2256.6310.429420.45436790.44536830.40637740.38646100.36847250.33957980.33859140.30359160.29374040.25874420.27492670.22393200.2306.7510.529700.46337140.45437190.41338100.39346540.37447710.34658550.34459710.30859730.29974750.26375130.27993560.22794090.2346.8810.629990.47137490.46237540.42138470.40147000.38148160.35259100.35060280.31460300.30475460.26875850.28494450.23294990.2387.0110.730270.48037850.47037900.42838830.40847340.38848610.35859660.35760840.32060860.31076180.27276560.28995340.23695880.2427.1410.830550.48838200.47938250.43639190.41547870.39549070.36560210.36361410.32561430.31576890.27777280.29496230.24096780.2477.2810.930840.49738560.48738600.44439560.42348320.40249520.37160770.36961980.33162000.32177600.28277990.29997120.24497680.251钢板制矩形通风管道计算表表23 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）800×320630×5001000×320800×400630×6301000×400800×5001250×4001000×500800×6301250×5001000×630800×8005.539.586410.210106600.165108100.196108200.174134500.142135400.160135500.146169100.149169500.133170900.124211700.122213800.111217200.1065.659.687320.214107700.168109200.200109400.177135900.145136800.163136900.149170900.152171200.135172700.126213900.125216000.113219500.1085.769.788230.219108800.171110400.204110500.181137300.148138200.166138300.152172600.155173000.138174500.129216200.127218300.115221800.1115.889.889130.223109900.175111500.208111600.185138700.151139600.170139700.155174400.158174800.141176300.131218400.130220500.118224100.1136.009.990040.227111100.178112600.212112800.188140100.154141100.173141200.158176200.161176600.143178100.134220600.132222800.120226400.1156.1310.090950.232112200.182113800.216113900.192141500.157142500.176142600.161178000.164178400.146179900.137222900.135225000.122228700.1176.2510.191860.236113300.185114900.220115000.196142900.160143900.180144000.164179800.168180200.149181700.139225100.137227300.124231000.1196.3710.292770.241114400.189116100.224116200.199144400.163145300.183145500.167181500.171182000.152183500.142227300.140229500.127233200.1226.5010.393680.245115500.192117200.228117300.203145800.166146800.187146900.170183300.174183700.155185200.145229500.142231800.129235500.1246.6310.494590.250116700.196118300.233118500.207147200.169148200.190148300.174185100.177185500.158187100.147231800.145234000.132237800.1266.7510.595500.254117800.199119500.237119600.211148600.172149600.194149700.177186900.181187300.160188900.150234000.148236300.134240100.1296.8810.696410.259118900.203120600.241120700.214150000.175151000.197151200.180188700.184189100.163190700.153236200.150238500.137242400.1317.0110.797320.264120000.207121700.246121900.218151400.178152500.201152600.183190400.187190900.166192500.155238500.153240800.139244700.1337.1410.898230.269121200.210122900.250123000.222152800.181153900.204154000.187192200.191192700.169194300.158240700.156243000.142247000.1367.2810.999140.273122300.214124000.255124200.226154300.185155300.208155400.190194000.194194400.172196100.161242900.159245300.144249300.138钢板制矩形通风管道计算表表24 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）1250×6301600×5001000×8001250×8001000×10001600×6301250×10001600×8002000×8001600×10002000×10001600×12502000×12505.539.5267100.101271200.113271800.094339600.084340000.081342100.092424900.072435000.075543900.069544200.063680500.057680700.054851200.0485.659.6270000.103274000.115274600.095343200.085343500.083345700.094429400.073439600.077549700.071549900.065687700.059687900.055860200.0495.769.7272800.105276900.118277500.097346800.087347100.084349400.096433800.074444100.078555400.072555600.066694800.060695000.056869100.0505.889.8275600.107279700.120280300.099350300.089350700.086353000.097438300.076448700.080561100.073561400.067702000.061702200.057878100.0516.009.9278400.109282600.122283200.101353900.091354300.089356600.099442800.077453300.081566900.075567100.068709200.062709400.058887100.0526.1310.0281200.111285400.125286100.103367500.092357800.090360200.101447300.079457900.083572600.076572800.070716300.063716500.060896000.0536.2510.1284000.113288300.127288900.105361100.094361400.091363800.103451700.080462400.085578300.078578500.071723500.065723700.061905000.0546.3710.2286800.115291100.129291800.107364600.096365000.093367400.105456200.082467000.086584000.079584300.072730700.066730800.062914000.0566.5010.3290000.117294000.132294600.109368200.098368600.095371000.107460700.083471600.088589800.081590000.074737800.067738000.063922900.0576.6310.4292500.120296900.132297500.111371800.100372200.097374600.109465100.085476200.089595500.082595700.075745000.068745200.064931900.0586.7510.5295300.122299700.137300400.113375400.101375700.098378200.111469600.087480800.091601200.084601500.077752100.070752300.065940800.0596.8810.6298000.124302600.139303200.115379000.103379300.100381800.113474100.088485300.093606900.085607200.078759300.071759500.067949800.0607.0110.7300000.126305400.142306100.117382500.105382900.102385400.115478600.090489900.094612700.087612900.079766500.072766700.068958700.0617.1410.8303700.129308300.144308900.120386100.107386500.104389000.117483300.091494500.096618400.088618600.081773600.073773800.069967700.0627.2810.9306500.131331100.147318800.122389700.109390100.106392600.119487500.093499100.098624100.090624400.082780800.075781000.070976700.063钢板制矩形通风管道计算表表25 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）120×120160×120200×120160×160250×120200×160250×160200×200250×200320×160250×250320×200400×2007.4111.05511.477381.249251.119891.0211521.0112390.89215440.79715520.76919360.67719800.71324260.58424830.59631090.5407.5511.15561.497451.269341.129981.0411621.0212500.90715580.81115670.78319530.68819980.72524480.59425060.60631370.5497.6811.25611.527521.289421.1410071.0511731.0412610.92315720.82515810.79619710.70020100.73824700.60425280.61731650.5597.8211.35661.547581.309501.1610161.0711831.0612730.93915860.83915950.81019880.71320340.75124920.61525510.62731940.5687.9611.45711.577651.329591.1810251.0911931.0812840.95516000.85316090.82420060.72420520.76325140.62525730.63832220.5788.1011.55761.607721.359671.2010341.1112041.1012950.97116140.86716230.83820240.73720700.77625360.63625960.64932500.5888.2411.65811.627791.379761.2210421.1312141.1113060.98716240.88216370.85220410.74920880.78925580.64626190.66032780.5978.3911.75861.657851.399841.2410511.1512251.1313181.0016420.89616510.86620590.76121060.80225800.65726410.67033070.6078.5311.85911.687921.429931.2610601.1612351.1513291.0216560.91116650.88020760.77421240.81526020.66826640.68133350.6178.6711.95971.707991.4410011.2810691.1812461.1713401.0416700.92616790.89420940.78621420.82926240.67926860.69333630.6278.8212.06021.738051.4610091.3110781.2012561.1913511.0518840.94116940.90921120.79921600.84226460.69027090.70433910.638钢板制矩形通风管道计算表表26 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）320×250500×200400×250320×320500×250400×320630×250500×320400×400500×400630×320500×500630×4007.4111.031120.50638900.49638960.45239920.43048760.40949980.37861330.37662550.33762570.32778310.28778710.30598010.24998570.2567.5511.131400.51539260.50439310.46040280.43849200.41650430.38461890.38263120.34363140.33279020.29279420.31098900.25399470.2607.6811.231680.52439620.51339670.46740650.44549650.42450890.39162440.38963690.34963710.33879740.29780140.31599790.257100400.2657.8211.331970.53339970.52240020.47641010.45350090.43151340.39863000.39664260.35564280.34480450.30280860.321100700.262101300.2697.9611.432250.54240320.53140380.48441370.46050530.43851800.40463560.40364830.36164850.35081160.30781570.326101600.266102200.2748.1011.532530.55140680.54040730.49241730.46850980.44652250.41164120.40965390.36765410.35681870.31382290.332102500.271103100.2788.2411.632820.56041030.54941080.50042100.47651420.45352700.41864670.41665960.37365980.36282580.31883000.337103400.275103900.2838.3911.733100.56941390.55841440.50842460.48451840.46153160.42565230.42366530.37966550.36883290.32383720.343104200.280104800.2888.5311.833380.57941740.56741790.51642820.49252310.46853610.43265790.43067100.38567120.37484010.32884430.348105100.284105700.2928.6711.933660.58842090.57642150.52543190.50052750.47654070.43966350.43767670.39267690.38084720.33485150.354106000.289106600.2978.8212.033950.59842450.58642500.53443550.50853190.48454520.44666900.44468240.39868260.38685430.33985860.360106900.294107500.302钢板制矩形通风管道计算表表27 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）800×320630×5001000×320800×400630×6301000×400800×5001250×4001000×500800×6301250×5001000×630800×8007.4111.0100000.278123400.218125200.259125300.230155700.188156700.212156900.193195800.197196200.175197900.164245100.162247500.147251500.1417.5511.1101000.283124500.222126300.264126400.234157100.191158200.215158300.197197600.201198000.179199700.167247400.164249800.149253800.1437.6811.2101900.288125600.226127400.268127600.238158500.194159600.219159700.200199300.204199800.182201500.170249600.167252000.152256100.1467.8211.3102800.293126800.229128600.273128700.242159900.198161000.223161100.204201100.208201600.185203300.173251800.170254300.154258400.1487.9611.4103700.298127900.233129700.277129900.247161300.201162400.227162600.207202900.211203400.188205100.175254100.173256500.157260700.1518.1011.5104600.303129000.237130800.282131000.251162800.205163900.231164000.211204700.215205100.191206900.178256300.176258800.160263000.1538.2411.6105500.308136100.241132000.287132100.255164200.208165300.234165400.214206500.219206900.194208700.181258500.179261000.162265300.1568.3911.7106400.313131300.245133100.291133300.259165600.211166700.238166800.218208200.222208700.197210500.184260700.182263300.165267600.1588.5311.8107300.318132400.249134300.296134400.263167000.215168100.242168300.221210000.226210500.201212300.188263000.185265600.168269800.1618.6711.9108200.323133500.253135400.301135500.268168400.218169600.246169700.225211800.230212300.204214100.191265200.188267800.170272100.1638.8212.0109100.329134600.258136500.306136700.272169800.222171000.250171100.228213600.233214100.207215900.194267400.191270100.173274400.166钢板制矩形通风管道计算表表28 动压（毫米水柱）风速（米/秒）外边长A×B（毫米）上行——风量（米3/小时）下行——单位摩擦阻力（毫米水柱/米）1250×6301600×5001000×8001250×8001000×10001600×6301250×10001600×8002000×8001600×10002000×10001600×12502000×12507.4111.0309300.133314000.150314700.124393200.111393600.107396200.121492000.095503700.100629800.092630100.084788000.076788200.072985600.0647.5511.1312100.135316800.152317500.126396800.113397200.109399800.124496400.096508200.109635600.093635800.085795100.077795300.073994600.0657.6811.2314900.138319700.155320400.128400400.115400800.111403400.126500900.098512800.103641300.095641600.087802300.079802500.0741004000.0667.8211.3317800.140322500.157323200.130404000.117404000.113407000.128505400.100517400.105647000.096647300.088809500.080809700.0751013000.0687.9611.4320600.143325400.160326100.133407500.119407900.115410600.130509900.101522000.107652700.098653000.090816600.081816800.0771021000.0698.1011.5323400.145328300.163329000.135411100.121411500.117414200.132514300.103526500.108658500.100658700.091823800.083824000.0781030000.0708.2411.6326200.147331000.166331800.137414700.123415100.119417800.134518800.105531100.110664200.101664500.093830900.084831200.0791039000.0718.3911.7329000.150334000.170334700.139418300.125418700.121421400.137523300.107535700.112669900.103670200.094838100.086838300.0811048000.0728.5311.8331800.152336800.171337500.142421800.127422300.123425000.139527800.108540300.114675600.105675900.096845300.087845500.0821057000.0738.6711.9334600.155339700.174340400.144425400.129425800.125428600.141532200.110544900.116681400.106681700.097852400.088852700.0831066000.0758.8212.0337400.157342500.177343300.146429000.131429000.127432200.144536700.112549400.118687100.108687400.099859600.090859800.0851075000.076'