管道流量计算表扁制日朗;2012.01.D1公称宜桎外栓壁厚内桂雌而积流®n3/hDN25323260.0005309290.00DN32383320.00030^2^7OLOODN^Q45339D.00119^590.00DN50573,5500.00196349^COODN557646S□.0036316780.00DN30394810.005152993aooDN10010841000.007S5397BaooDN13513341250.0122718360.00DN1501594.51500.0L76714g4aooDN20D21962070.0336534970.00DN25027372590.05263525cooDN3DD325S309D.0749905390.00DN35037783610.LO235370EaooDN40042684100.13202532Q.00DN45048084640.1690929d0.00DN50052985130.206692275cooDN55055995410.2298709260.00DN60061095920.2752535^9cooDN7D0T201169SD.3S264SS040.00DN900920138940.6277179560.00L2设艸基巻1)用圧力说直涉敦葫应捋台下列戌酎于只楼別伫曲匡力的iMlft件.便插调盯、肝杵啟田有jft连在is计awT^i-1.1.1ijTflXit计Jt管崔对氏艮枚珂■■售輕较少的曽JLSt可由fltffiS诩计Jt实童虽,再垃,1桎谀叶規庄的背£■!;■称题轻序冋由畫肖实薛内楙「fLL.J-2)式中A——曽軽i^)ia—停和魏置询・町;r-Q用现理TW心介直甫Ml匱审可址击11-37申选収,也可聚用簣陥載協帝匕和廉计怦适的由毗乂來1蔽出匸曲卅况T-刁丿曰阴IL.1I舲jtffil幸在慰管程匚H拧诜皋1"覽塑际利沆堕业标上券別挖岀点』相乩能垃札日作肯蠅-左町锂址标于Q阴c制數蛆AF为许坯。推荐流遠二管径適量m3/h(DN)0.4m'90.6m;gO^ni'91.Oni-a1Jnv'sUnv'a1,6m■■耳I.Sm^s2,Dm■■占200.50.TD.91.1X1.61.B2.02.3250.71.11.41.82-1:■:_-2.S3.23.5321.21.T2.3s.e3.54.14.65,£5,8牝1.S2.73.64.55.Q6.3T.28.19.0502.S4.25.77.1£.5g.g11.312.714.1654.87.29.$11.914.316.719,121.523.9307.210.914.518.131.725.329.D32.636.210011.3IF.Ci22.62S.333.939.645.250.956.513517.726.535.3傀253.061.970,779.588.415025.433.250.963.676.3E9.1101.8LK.5127.220045.2隠9SO.5113.1135.7IBS.3LSI.0203.6226.22B0TO.7106.0141.^176.7212.1247.4232.7318.1353.4300101.S152.7203.e254.5305.4磁3407.1458.0508.9350d.2207.8277.1346.4^15.6牝4.9554.2623.4692.7400121.0271.4361.9452.4542.9633.3?23.2814.3904.2450229.03^3.545S.0572.668T,1SQLE91&.1IQ孔”&L14&.1500282.7424.1565.5706.934S.2989.61131.01272.31413.760040?.1610.?014.31017.91221.41425.01628.61032.22035.?流速握荐值吐倔202532405065S0100125闭式系统D.5-0,E0.6-0,70.7-0,90.8-10,9-L21,L-L41.2-L61.3-1.81.5-Z.D开式系统0.4-0.50.5-0.&0.6-0.80.7-0.90.B-1.00.9-1.21.1-1.41.2-1.61.4-1.BX2簣径计算与确定关于流量、压力.管径、流速的关系F工程上计算时,水管路,压力常见为fl.1-0.6MPa,水在水管中流速在米/秒,常取心米秒.流量二管截面积X流M^0.0D2B27X管径也X流速(立方米/小时平方.管径单位:mm管径二旳%353珂K流量:'流速}sqrt:开平方饱和翦洱的公式与水相同,只是谎速F取20-40如臬需更精确计算就要先^定徐诬,再根据水的粘度、密度圧管径先计算出雷诺推教,再由雷诺准数计算出沿程阻力系数.并将管路中的管艸(如三涌、弯头、阀门、变径等)都査表査岀等效管长度,最后由沿程阻力系数与管路总长(包括等效管长度〕计算岀总管路压力损失,幷根据伯谿利计算岀实际流速,再次用实际凉連按以上过程计算,直至两者接近(叠代试算袪〕o因此实际中很少友人这么算.基本上都是根据压差的尢小选不同的流速,按最前面的方法计算。波努力方程好橡对于气体等可压缩毓休不适用阿管道橫截面积为AA=^D^2/4Q=A*v水管管径疏速喘量对尿恚轻蹦军决你算管径间题)每抚画图都要算出管径,祢只要对照此表就能看岀来!经验:1.重力流流速比较小■:—般选0.8-1.0?压力流.流速比较丈.一般选1.0-1-5管径/流速/流量对照表1借薛单囁亶II疽匣单岱:-/=疽軍单忖豈4區1吕1至E):3-141592S彌\1音蒔SL格*d<20鬲40□0GO1251&02&03004»盟JGOO-3.1鼻UC.15DL鉗[LU0.7lLL5L.El2.3544ZE.-&S3L.211Z472S.4B34.544E.Z4F7.2E70lt9血79Q20.盃C.35awD.W】仇yQ25.SEK12.~i祝心».务wrW.W111.91HLW料1KS.39.冼C.酣3L辭1.»XL23LS5.43B.眷13.2515.WJIS3:ib£Lro.衣1D3.9L皿IZL.TT药...