给排水系统各类计算表.xls

1、2太阳能热水系统计算表表1 直接系统集热器集热面积Ac (m2)江苏省7个城市平均太阳辐照量见省标J28-2007附录B计算参数热水用水定额用水单位数热水密度储水箱设计(L)人或床Kg/L温度选择范围计算值1201500.983260603.50.9832605030.983260603.50.983260表2-1 间接换热供水设备换热面积计算 Fir太阳光辐照年平均日照集热系统换热设备热媒被加热水时变化系数Kt小时数 Sy换热量Qz换热系数 K计算温度差取值1.51.8(h/d)(W)W/m2.tj 1.85.38172157120010180812001012051200516871200

2、10表2-2 间接换热系统集热器集热面积 (m2)计算参数集热面积集热器总损失换热器传热换热器换热Ac(m2)系数W/m2.系数W/m2.面积m2选择范围(=上表K列)46/12计算值370.592.00120023.574.152.0012000.252.774.0012000.333.874.0012000.23注:1.C15的总损失系数:当平板型取46;当真空管型12;具体可按产品样本定 2.间接换热系统集热面积由直接换热系统计算所得表3 集热器集热水箱(罐)容积计算 V (L)集热器单位面积日集热水箱集热面积m2产热水量L/m2.d容积(L)直接间接直接(40100)间接(3070)直

3、接370.59380.305236192714.154.2752302162.772.8452361443.874.095236201换热设备的换热系数 K 表2-1附表类型容积式导流型容积式半容积式半即热式水加热器水加热器水加热器水加热器K3806808101600W/m2.410150025002100表1附表2 不同温度热水密度(在标准大气压下)r温度()40424446密度(Kg/L)0.99220.99150.99070.9898温度()56586062密度(Kg/L)0.98520.98420.98320.9822冷水给水太阳保证率年平均日太阳集热器年均集热系统集热面积温度f辐照量

4、KJ/m2.d集热效率 注热损失率LAc(m2)0.40.50.250.50.20.3100.5124970.500.2370.59100.45124970.500.254.15100.42124970.500.252.77100.42124970.500.253.87见附表1不均匀换热设备C11南京2苏州3无锡热效系数 换热面积 Fjr城市代码5南通6扬州7泰州(1.11.2)m21.1523.571.150.25太阳集热器的布置 表61.150.33太阳高度角 遮光物最高点 太阳集热器1.150.23s太阳集热器最低点 前后排距离垂直距离HS集热面积35.251.101.56AIN(m2)

5、注:太阳高度角会自动随城市而自行调整380.30苏州有关气象参数4.27苏州年平均气温:15.72.84苏州年平均日照时数:5.38h4.09苏州平均年日照时数为1965h,苏州年太阳辐照量为4651MJ/m2.a,故f=0.42表4 循环水泵流量计算 qxl(L/s)表5集水箱总容积工质流量系数循环水泵V(L)(L/m2.s)流量(L/s)间接取值0.0150.020直接间接直接间接136910.027.417.6136507259421280.080.0940309286931020.05530.05691651231470.080.0872735322太阳能热水系统计算表表1 直接系统集

6、热器集热面积Ac (m2)江苏省7个城市平均太阳辐照量见省标J28-2007附录B表2-1 间接换热供水设备换热面积计算 Fir集热水箱容积(L)集热器效率 表1附表12.565板式集热器年均集热效率 0.179094216换热器平板型集热器0.5832000真空管集热器0.4293000 注:较精确应查厂商瞬时效率方程485052500.98890.98810.98710.9862646668700.98110.98000.97890.9778表1附表2 不同温度热水密度(在标准大气压下)r4常州按照定时2小时医院、疗养院、休养所设计小时耗热量、热水量淋浴器苏州年太阳辐照量为4651MJ/m

7、2.a,故f=0.42250用水单位数18用水温度40同时使用系数（范围）0.71.0实际选定使用系数0.7设计小时耗热量Qh(KJ/h)458016设计小时热水量Qrh(Kg)2023设计小时耗热量Qh(Kw)1273150设计小时耗热量、热水量游泳池设计小时耗热量计算游泳池表蒸发潜热r游泳池水面风速面积(m2)Kcal/kg0.20.5（m/s)250581.90.5水面蒸发热损失合计热损失（注）（KJ/h)(KW)（KJ/h)238671.266.30286405.5游泳池总设计小时耗热量（KJ/h)(KW)式中363163.5100.9游泳池换热器计算（以板式换热器）板式换热器应产生热

8、量大于C14之数值规范有规定：游泳池热水加热温升不得超过0.5/h以温差为22，则加热时间至少应为44h故换热器应提供热量 311.2(KW)水的蒸发潜热和饱和蒸汽压水温蒸发潜热r饱和水蒸汽压PbKcal/kg(mmHg)22584.919.823584.321.124583.622.425583.123.826582.525.227581.926.728581.428.3游泳池环境气温游泳池池水温度补充水温度28275补充水水量(KW)水容积补充百分数79.564005假定苏州大气压为760mm汞柱蒸汽分压Pq(mmHg)均按照相对湿度为50%计算表中黄色部分应填空注：合计热损失（也包括传导

9、、池体、管道设备的热损失）以B22附加20%蒸汽分压Pq (mmHg)气温相对湿度（%）合计热损失（注）规范有规定：游泳池热水加热温升不得超过0.5/h50229.92310.52411.12511.92612.52713.32814.3饱和水蒸汽压Pb蒸汽分压Pq(mmHg)(mmHg)26.714.3补充水水量热损失（KJ/h)(KW)76,758.021.326.2.1水面蒸发损失的热量：（kJ/h）式中：-池水面蒸发损失的热量（kJ/h）；-与池水温度相等时，水的蒸发汽化潜热（kcal/kg），取581.4 kcal/kg;-池水面上的风速（m/s），取0.2m/s；-与池水温度相等时

10、的饱和空气的水蒸汽分压力（mmHg），取28.3 mmHg；-空气的水蒸汽分压，取16.5 mmHg；-游泳池水面面积（），为400；-当地的大气压力（mmHg），为753 mmHg；6.2.2游泳池水面、池底、池壁和设备传导损失的热量，按游泳池水表面蒸发损失热量的20%计算确定。计算得：=30620%=61 MJ/d；6.2.3补充水加热所需的热量：（kJ/h）式中：-补充水加热需要的热量（kJ/h）；-每天补充水量（L）,取31000L；-池水温度（），取28；注：合计热损失（也包括传导、池体、管道设备的热损失）以B22附加20%蒸汽分压Pq (mmHg)相对湿度（%）5560140000

11、10.911.958362511.512.6162.118055612.313.413.014.213.815.214.716.015.617.06.2.1水面蒸发损失的热量：-池水面蒸发损失的热量（kJ/h）；-与池水温度相等时，水的蒸发汽化潜热（kcal/kg），取581.4 kcal/kg;-池水面上的风速（m/s），取0.2m/s；-与池水温度相等时的饱和空气的水蒸汽分压力（mmHg），取28.3 mmHg；-空气的水蒸汽分压，取16.5 mmHg；-游泳池水面面积（），为400；-当地的大气压力（mmHg），为753 mmHg；6.2.2游泳池水面、池底、池壁和设备传导损失的热量，按

12、游泳池水表面蒸发损失热量的20%计算确定。计算得：=30620%=61 MJ/d；6.2.3补充水加热所需的热量：式中：-补充水加热需要的热量（kJ/h）；-每天补充水量（L）,取31000L；-池水温度（），取28；kcalkj/hkw6.2.2游泳池水面、池底、池壁和设备传导损失的热量，按游泳池水表面蒸发损失热量的20%计算确定。表A 全日制热水供应系统计算表热水Kh值及设计小时耗热量、热水量住宅别墅热水用水定额规范幅度热水定额(L/人)6070100110使用人（床）数人（床）10010060006000热水小时变化系数Kh幅度4.804.212.752.47实际设计选用热水定额6090

13、实际设计选定人数（床位数）3.5300Kh值（设计取定）4.804.18设计小时耗热量Qh(KJ/h)9510#设计小时热水量 qrh(L/h)424703设计小时耗热量Qh(KW)（KJ/h)/3600=(Kw)3296设计小时耗热量Qh(KCal/h)(KJ/h/4.16875=Kcal/h)2272#1KJ=0.2389Kcal=0.0002778Kw/h=0.2778W/h注：1.半容积式水加热器、燃油热水机组的设计小时供热量等于设计小时耗热量 3.60.热水温度的密度为0.9832(Kg/L)表B 定时热水供应系统计算表（连续供水大于等于2h)设计小时耗热量、热水量住宅、旅馆、宾馆、

14、公寓、别墅 宿舍、招待所、培训中心 医院、疗养院、休养所浴盆（带淋浴器）淋浴器淋浴器盥洗水嘴浴盆（带淋浴器）用水定额30025030070300用水单位数202010010用水温度4040403040同时使用系数（范围）0.71.00.71.00.71.00.30.50.71.0实际选定使用系数0.810.80.40.8设计小时耗热量Qh(KJ/h)14249393489651075974设计小时热水量Qrh(Kg/h)629315414752998.539875表C 水加热器的储热时间加热设备以蒸汽和95以上以95的热水的热水为热媒时为热媒时工业企业淋浴室其它建筑物 工业企业淋浴室其它建筑物

15、容积式水加热器或加热水箱30minQh45minQh 60minQh90minQh导流型容积式水加热器 20minQh30minQh 30minQh40minQh半容积式水加热器 15minQh15minQh 15minQh20minQh表F 水加热器的储热总容积水加热器类别储热时间 设计小时耗热被加热水终温计算容积(总）(h)量（KJ/h)(L)容积式水加热器或加热水箱 110759745521279导流型容积式水加热器0.516859665516671半容积式水加热器0.3331075974556162酒店式公寓宿舍I,II招待所、旅馆宾馆公用盥洗公用盥洗、淋浴独立卫生间807025406

16、012010010050601001601501501501501501501200120012001200120012004.004.803.843.843.843.332.583.203.003.003.002.6090804050801601002005002502503504.034.773.673.803.803.1934253072077269290444816171705816859661513318330601979316774469520019212419946881813172155165499107043171268402691 2.设计小时供热量、设计小时耗热量计算都以

17、热水温度为60.冷水温度为5.4.本表格中R列幼托为带住宿全日制，故T=24,当非全日制，则T=10公共浴室幼儿园淋浴器浴盆淋浴器（无小间）淋浴器（有小间）洗脸盆淋浴器250250500250801802080000184040404035350.71.0111111111112908039436258128441927表D 设计小时供热量计算表设计小时耗热量Qh(KJ/h)1685966导流型容积水加热器容积系数h0.85设计小时供1365210普通型水加热器0.751402946第一循环系统卧式水罐0.8251421342表A 全日制热水供应系统计算表注：1.半容积式水加热器、燃油热水机组

18、的设计小时供热量等于设计小时耗热量 3.60.热水温度的密度为0.9832(Kg/L)表B 定时热水供应系统计算表（连续供水大于等于2h)医院、疗养院、休养所10759744752自然循环 立式水罐0.875热量（KJ/h）1438323第一循环系统为机械循环11308606储热总容积Vr5000设计小时耗热量持续时间T(h)3注：1.半容积式加热器（燃油、燃气热水机组）的设计小时供热量=设计小时耗热量 2.半即热式加热器（快速水加热器）的设计小时供热量按照设计秒流量计算 3.表中J44储热总容积按照表F的计算总容积请看本表和太阳能热水表医院疗养院幼儿园养老院公用盥洗公用盥洗、淋浴 独立卫生间

19、托儿所6070110100205010013020016040705050505050501000100010001000100010003.633.633.633.634.803.202.562.562.562.563.202.741107018011030608005004328004008002.573.633.303.494.513.022137199119871324176832897012510084136697894385294106771279422536037594333672805142380510467286311577461691948121833326501托儿所餐饮

20、业盥洗水嘴淋浴器盥洗水嘴洗涤盆洗脸盆（内部）洗脸盆（顾客）2590252506012025182510553035305030300.510.50.50.70.50.70.500.50.60.50.7324565141001432271表E 膨胀罐总容积Ve的计算热水器初温 热水器终温膨胀罐水压膨胀罐最大压力 热水系统容积4060P1（Mpa绝对）P2(Mpa,绝对）VS（m3)0.99220.98320.50.555 2.设计小时供热量、设计小时耗热量计算都以热水温度为60.冷水温度为5.4.本表格中R列幼托为带住宿全日制，故T=24,当非全日制，则T=10幼儿园4362581927注：P4

21、0(取值4070)应该大于O40(取值1040）、I40均会自动取值。注：1.半容积式加热器（燃油、燃气热水机组）的设计小时供热量=设计小时耗热量 2.半即热式加热器（快速水加热器）的设计小时供热量按照设计秒流量计算淋浴器40034011膨胀罐容积Ve(m3)0.50 蒸汽管水力计算表 引自72版给排水设计手册(2)水煤气钢管水力计算表水煤气钢管热水(60度)水力计算表管径流量流速流速1.2m/s 流速1.2m/s管径阻力损失 阻力损失mmL/Sm/smm/mmm/mmm150.25001.463550.6539.415200.30000.931147.9153.520250.50000.94

22、2109.2113.125322.00002.109375.4354.732401.20000.95564.166.340502.54001.19671.571.750704.50001.27658.658.370805.90001.18940.740.98010020.00002.310107.0100.310012515.00001.13019.419.615035.00001.8541.639.812.4800注:当选管流速1.2m/s 流速1.2m/s管径阻力损失 阻力损失mmL/Sm/smm/mmm/mmm12520.001.6342.541.110015050.002.95112.

23、4103.412520035.001.1411.411.52515025042.000.844.64.8200300111.111.5211.611.3250350222.222.2220.118.9300400250.001.9312.912.3350450444.002.7021.519.9400500444.442.1812.311.6450600666.672.2810.69.9500700750.001.956.56.2600800800.001.593.63.57009001000.001.573.02.980010001100.001.402.12.190012001500.00

24、1.331.51.51000注:当选管流速1.20m/S时C列流速值呈红色斜体,则阻力损失查E列注:当选管流速1.2m/s 流速1.2m/s阻力损失 阻力损失L/Sm/smm/mmm/m管径流量S5 2.0MPa15.001.9582.1978.20计算管径20.001.6644.3242.84mmL/Smm50.002.87104.6396.49200.1301630.000.968.138.39250.30020.480.001.6417.6117.04320.50026.280.001.136.566.63400.70032.6140.001.468.888.70502.50040.82

25、00.001.598.938.67633.00051.4230.001.456.326.20753.00061.4360.001.838.868.48906.00073.6500.001.776.516.251107.00090600.001.564.144.0312515.000102.2800.001.593.633.5214018.000114.61000.001.573.032.9516020.000130.8水煤气钢管热水(60度)水力计算表1100.001.402.102.07注：当D列流速大于2.0m/s时呈红色 按照03版技术措施954 1.0MPa 1.6MPa计算管径流速阻

26、力损失 计算管径流速阻力损失mmm/smm/mmmm/smm/m160.6540.51210.8750.6227.21.84150.96361.77100.91341.98133.2945.21.7676.94422.04110.01571.4842.2653.61.6757.0267.81.0418.15641.1724.0481.41.9245.3076.62.1760.91100.41.2616.3195.61.3920.70114.201.86568628.86110.002.01087734.64127.801.94889527.43123.402.09035432.531461.0

27、27.031401.108.62164.400.9421865.32158.601.0123576.34182.60.763.19176.20.823.80205.40.601.80198.20.652.14228.200.73352.28220.400.7863362.70255.61.568.07246.81.679.57287.61.234.54277.61.325.40325.400.9619782.49369.42.099.02415.801.6938275.32461.81.554.01517.201.9832865.52581.82.095.30注:当选管流速2.0m/S时D列流

28、速值呈红色.1.6MPa2.5MPa计算管径流速阻力损失 计算管径流速阻力损失阻力损失mmm/smm/mmmm/smm/mmm/m15.40.5433.113.20.7369.040992.15040.10019.41.0177.116.61.39162.3093166.41870.30024.81.2481.721.21.70172.6789177.05091.000311.3269.726.61.80144.6576148.32020.70038.81.2749.033.21.73103.0858105.69581.80048.80.8016.4421.0833.552134.40161.

29、80058.21.1324.2501.5349.917951.18183.00069.81.3125.1601.7751.737453.04746.00085.41.2217.473.51.6535.667636.57075.0000.1000.3000.6000.7001.5001.5003.0005.0007.000附录D S5 2.0MPa流速阻力损失 计算管径流速阻力损失m/smm/mmmm/smm/m0.6542.9160.6542.91.1586.120.41.2298.90.8637.226.20.9344.51.1043.932.61.2053.60.7014.940.80.7

30、618.40.8014.251.40.8717.30.9415.361.41.0118.30.9813.173.61.0615.82.4652.6902.6764.01.9028.5102.22.0734.91.5216.6114.61.6520.21.8520.0130.82.0124.4S4 2.5MPa流速阻力损失 计算管径流速阻力损失m/smm/mmmm/smm/m0.6534.315.40.7041.20.9247.419.41.0160.20.9335.524.81.0446.20.8422.7310.9328.91.9174.538.82.1194.71.4534.248.81.

31、6043.81.0114.658.21.1318.91.4121.169.81.5727.11.1010.685.41.2213.61.8322.3972.0328.61.7517.9108.61.9423.11.4911.5124.21.6514.7建筑给水用聚氯乙烯管水力计算表(10度)(氯化聚氯乙烯）S6.3 1.6MPa建筑给水用聚氯乙烯管水力计算表(60度)S5 2.0MPa阻力损失mm/m阻力损失mm/m(10摄氏度)(70摄氏度)525.73399.5643.533.184.864.430.022.847.035.7158.9120.8349.2265.426.920.523.2

32、17.621.516.330.022.811.18.43.52.716.112.229.422.316.512.534.125.918.814.320.015.210.17.716.212.314.711.2建筑给水薄壁不锈钢管水力计算表 按照CECS 153:2003建筑给水薄壁不锈钢管工程技术规程附录G-2涂塑钢管水力计算表管径计算管径流量流速阻力损失阻力损失mmmL/Sm/smm/m150.01480.150.8776.0mm/m200.02030.401.2495.8152.0250.0260.651.2269.6157.2320.03481.201.2651.364.0400.041

33、.000.8019.140.9500.0525.002.3594.924.4650.0674.001.1319.040.9800.07957.001.4122.716.51000.10512.001.3915.727.31250.13117.001.2610.118.01500.15555.002.9136.311.310.9注:当选管流速2.0m/S时D列流速值呈红色.i=0.008973*Q1.774/dj4.774 CECS125:2001建筑给水钢塑复合管道工程技术规程0.909版规范排水立管设计秒流量计算高层住宅排水洗脸盆坐便器浴盆数量当量数量当量数量当量小计当量小计当量单层单卫10

34、.7514.510.754.536层单卫64.562760.754.5316层单卫16121672160.754.5334层单洗衣机000000.754.5334层单卫3425.534204340.756334层住宅厨房000000.7563单层双卫21.521210.75636层双卫129127260.756316层双卫322432144160.754.5325层双卫5037.550225250.754.5334层双卫685168408340.7563注:排水设计秒流量qp=0.12*1.5*Np0.5+qmax 注：排水层数在15层以上时，宜乘0.9系数。排水管道水力计算表管道直径管道坡度

35、粘滞系数淹没比管道流速 管道流量(m)nh/Dm/s(L/s)0.300.00100.0101.0000.56239.750.400.00200.0100.3000.74823.710.200.00500.0100.2000.5902.640.250.00500.0100.5101.12328.260.200.00500.0100.5000.96015.07注:流速要求指当 管道流速0.70m/S为合格反之不合格污水淹没比当 D0.5为超标淹没比D0.5此时淹没比列(D列）数字呈红色为不合格 淋浴器家用洗衣机洗涤盆当量当量数量当量数量当量数量当量总数小计当量小计当量小计当量小计Np310.45

36、11.50010.20.451.511862.7690061.20.451.5148167.2162400163.20.451.51000345100510.51.5110234153345100535.54.51.51000003434344.51.51314.511.50022.54.51.511862769001354.51.5148167.2162400247.20.451.51752511.252537.500386.250.51.511023403451006120.01.5109版规范排水立管设计秒流量计算浴盆 流速要求不能自清合格不能自清合格合格 D0.5此时淹没比列(D列）数

37、字呈红色为不合格设计秒流量qp排水(L/s)2.0752.0752.9082.9083.7993.7992.7852.7855.6655.6652.0502.0502.3542.3543.5913.5914.3304.3305.0385.0385.9535.953本表按03版建筑给水排水设计规范编制注:当管径为DN1520时流速限于1.0m/S,当管径为DN2540时流速限于1.2m/S当管径为DN5070时流速限于1.5m/S,当管径为DN80及其以上时流速限于1.8m/S,否则数字呈红色海澄-威廉公式 塑料管 C=140管径流量氯化聚氯乙烯流量S6.3 1.6MPaS5 2.0MPa计算管

38、径流速阻力损失 计算管径流速阻力损失mmL/Smmm/smm/mmmm/smm/mL/S150.10.118200.210161.0497.71161.0497.710.130250.300210.8750.3020.40.9257.930.300320.50027.20.8636.7526.20.9344.100.610401.010341.1145.5732.61.2155.930.700501.55042.61.0933.5940.81.1941.451.800653.40053.61.5147.0051.41.6457.653.000753.00063.80.9415.9661.41.

39、01#REF!3.000906.00076.61.3023.6473.61.4128.721107.00093.81.0111.73901.1014.3412515.000106.61.6825.80102.21.8331.6814018.000119.41.6120.82114.61.7525.4216027.000136.41.8523.06130.82.0128.29180200225250280315355400450500560630管径流量高密度聚乙烯(HDPE)0.25MPa0.4MPa0.6MPa计算管径流速阻力损失 计算管径流速阻力损失 计算管径mmL/Smmm/smm/mm

40、mm/smm/mmm150.1200.210250.30021320.50028401.010360.9934.5035.2501.550460.9323.1144653.400591.2429.4558.21.2831.4855.4753.000710.769.4869.20.8010.7466906.00085.61.0413.76831.1115.9979.21107.000104.60.816.90101.60.867.9596.812515.000118.81.3515.22115.41.4317.53110.214018.0001331.3012.31129.21.3714.181

41、23.416027.0001521.4913.61147.81.5715.601411806.000171.20.260.47166.20.280.54158.62007.000190.20.250.37184.60.260.43176.222515.0002140.420.87207.80.441.00198.225018.000237.60.410.73230.80.430.84220.431527.000299.60.380.50290.80.410.58277.6海澄-威廉公式 铜管 薄壁不锈钢管 C=130铜 管铜 管(热水)0.0000047管径流量计算管径流速阻力损失管径流量计算

42、管径mmL/Smmm/smm/mmmL/Smm150.15013.61.03132.64150.14613.6200.20020.20.6232.90200.32020.2250.50026.20.9350.59250.62026.2321.00032.61.2062.99321.01032.6401.50039.61.2251.75401.00039.6504.00051.61.9187.67503.50051.6654.00064.01.2430.71654.00064.04.00064.31.2330.024.00064.3807.00073.11.6745.31807.55073.14

43、.00082.00.769.199.55082.010015.0001051.7331.861009.00010512514.0001281.0910.6812514.00012825.0001301.8828.9925.00013015014.0001530.764.4815014.00015320030.0002090.874.0220030.00020930.0002110.863.8430.000211此表暂缓海澄-威廉公式 钢管 铸铁给水管 C=100水煤气钢管中等管径与大管径管径流量计算管径流速阻力损失管径流量计算管径流速mmL/Smmm/smm/mmmL/Smmm/s150.20

44、014.751.17247.3712520.001251.63200.30020.250.93111.9715035.001472.06250.600261.13119.6520030.001980.97321.25034.751.32113.4025080.002521.60401.400401.1170.5030070.003050.96502.600521.2261.81350150.003571.50704.200671.1943.72400200.004061.54805.95779.51.2036.30450308.004581.8710010.3911051.2026.24500

45、220.005091.0812524.0001301.8143.70600500.006101.7115022.6431551.2016.66700600.007001.56800800.008001.599001000.009001.5710001100.0010001.4012001500.0012001.33铝塑复合管流量PVC-U管1.0MPa1.6MPa计算管径流速阻力损失计算管径流速阻力损失 计算管径流速mmm/smm/mL/Smmm/smm/mmmm/s12.21.01125.850.115.70.6744.080.130160.6519.80.9767.000.300210.8

46、725.31.2175.570.50027.20.8631.20.9235.130.700360.6917.50340.7740.11.4359.481.80045.21.1233.20421.3050.01.5352.303.000571.3327.6353.61.3358.71.1123.943.00067.80.8311.87640.936.00081.41.1517.5976.61.307.000100.40.888.4295.60.9815.000114.21.4618.451101.5818.000127.81.4014.95123.41.5120.0001461.199.5014

47、01.3020.000164.40.945.33158.61.0120.000182.60.763.20176.20.8220.000205.40.601.80198.20.6530.000228.20.732.29220.40.7980.000255.61.568.09246.81.6780.000287.61.234.56277.61.3280.000325.40.962.50224.000369.42.099.06230.000415.81.695.35260.000461.81.554.03416.670517.21.985.55555.560581.82.095.33管径流量交联聚乙

48、烯(PEX)1.0MPa流速阻力损失 计算管径流速阻力损失计算管径m/smm/mmmm/smm/mmmL/Smm120.88100.4015161.0497.71200.21016.0本表按03版建筑给水排水设计规范编制注:当管径为DN1520时流速限于1.0m/S,当管径为DN2540时流速限于1.2m/S当管径为DN5070时流速限于1.5m/S,当管径为DN80及其以上时流速限于1.8m/S,否则数字呈红色海澄-威廉公式 塑料管 C=140高密度聚乙烯(HDPE)0.6MPa0.8750.3020.40.9257.93250.30020.40.8131.9126.20.9344.1032

49、0.50026.01.0438.4932.61.2155.93401.01032.61.0228.7040.81.1941.45501.55040.81.4140.0251.41.6457.65653.40051.40.8813.5361.41.0119.241.2220.1073.61.4128.720.9510.06901.1014.341.5721.95102.21.8331.681.5117.73114.61.7525.421.7319.62130.82.0128.290.300.68147.20.350.980.290.54163.80.330.780.491.261840.561.

50、810.471.05204.60.551.510.450.72257.80.521.04薄壁不锈钢管流速阻力损失管径流量计算管径流速阻力损失DNm/smm/mmmL/Smmm/smm/m1.01168.39100.08010.400.94152.951.00104.860.0909.801.19254.071.15100.57150.15014.280.94104.581.2185.630.15012.801.17178.200.8132.60200.30020.220.9369.381.6791.380.30018.901.0796.391.2440.99250.67026.581.2181