管段编号长度设计风量风管截面边长A风管截面边长B风管管壁粗糙度空气粘滞系数管内风速风管当量直径沿程阻力系数单位比摩阻R沿程损失动压局部阻力系数局部阻力总阻力损失mm3/hmmmm10-6m2/sm/smPa/mPaPaPaPa12200315.062.940.160.051.653.315.203.31#21200315.062.940.160.051.651.655.200.000.001.65#30200315.062.940.160.051.650.005.200.221.141.14#进风口200315.062.940.165.200.502.602.60#出风口20015.063.140.155.931.005.935.93#压力损失合计14.63注：根据以上公式计算可得如下结论1、按每条管道设计风量200m3/h来计算，20Pa的静压可满足1个弯头、1个可调风口和6米长的160的管径。2、按每条管道设计风量150m3/h来计算，20Pa的静压可满足2个弯头、1个可调风口和10米长的160的管径。0.04927沿程阻力0.04927沿程阻力0.04927弯头局部阻力0.049270.02325可调风口直径为0.15
