通风机风压计算表

通风风道截面a（m）风道截面b（m）流速当量直径du（mm）空气密度ρ（Kg/m3）出风口总面积A（m2）总风量W(m3/h)出风口平均风速υc（m/s）0.40.40.41.21.08100002.572016461#DIV/0!1.2#DIV/0!#DIV/0!1.2#DIV/0!#DIV/0!1.2#DIV/0!#DIV/0!1.2#DIV/0!#DIV/0!1.2#DIV/0!#DIV/0!1.2#DIV/0!#DIV/0!1.2#DIV/0!#DIV/0!1.2#DIV/0!#DIV/0!1.2#DIV/0!#DIV/0!1.2#DIV/0!#DIV/0!1.2#DIV/0!#DIV/0!1.2#DIV/0!#DIV/0!1.2#DIV/0!#DIV/0!1.2#DIV/0!#DIV/0!1.2#DIV/0!#DIV/0!1.2#DIV/0!风口动压Pfk(Pa)风口截面a1(m)风口截面b1(m)管段风量w1(m3/h)管段平均风速υd(m/s)管段动压pgd（Pa）比摩阻R(Pa/m)3.969161205000#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!管道长度L(m)直管段摩擦阻力Ri(Pa)风口阻力系数ζ风口数量n风口阻力Pfk(Pa)渐扩或渐缩阻力系数ξk多页调节风门阻力系数ζt三通阻力系数ξs01.42739.453460.90#DIV/0!0#DIV/0!0#DIV/0!0#DIV/0!0#DIV/0!0#DIV/0!0#DIV/0!0#DIV/0!0#DIV/0!0#DIV/0!0#DIV/0!0#DIV/0!0#DIV/0!0#DIV/0!0#DIV/0!0#DIV/0!弯头阻力系数ξw其它形式阻力系数ξq总阻力系数ξz配套部分阻力Rz(Pa)管段总阻力0.9000#DIV/0!#DIV/0!0#DIV/0!#DIV/0!0#DIV/0!#DIV/0!0#DIV/0!#DIV/0!0#DIV/0!#DIV/0!0#DIV/0!#DIV/0!0#DIV/0!#DIV/0!0#DIV/0!#DIV/0!0#DIV/0!#DIV/0!0#DIV/0!#DIV/0!0#DIV/0!#DIV/0!0#DIV/0!#DIV/0!0#DIV/0!#DIV/0!0#DIV/0!#DIV/0!0#DIV/0!#DIV/0!0#DIV/0!#DIV/0!风道截面a（m）风道截面b（m）流速当量直径du（m）空气密度ρ（Kg/m3）出风口总面积A（m2）总风量W(m3/h)出风口平均风速υc（m/s）1.20.60.81.21.08100002.5720164610.40.30.342857141.21.08100002.57201646110.40.571428571.21.08100002.5720164610.750.40.521739131.21.08100002.5720164610.40.40.41.21.08100002.5720164610.40.30.342857141.2#DIV/0!0.250.50.333333331.20.12522004.888888889#DIV/0!1.2#DIV/0!#DIV/0!1.2#DIV/0!#DIV/0!1.2#DIV/0!#DIV/0!1.2#DIV/0!#DIV/0!1.2#DIV/0!#DIV/0!1.2#DIV/0!#DIV/0!1.2#DIV/0!#DIV/0!1.2#DIV/0!#DIV/0!1.2#DIV/0!#DIV/0!1.2#DIV/0!通风管道阻力计算表风口动压Pfk(Pa)风口截面a1(m)风口截面b1(m)管段风量w1(m3/h)管段平均风速υd(m/s)管段动压pgd（Pa）比摩阻R(Pa/m)3.969161205100003.8580246918.9306130.083.9691612050.40.31111.1112.5720164613.9691610.323.9691612050.60.31666.6671.1574074070.8037550.63.9691612050.60.31666.6671.5432098771.4288980.53.9691612050.40.31111.1111.9290123462.2326530.59#DIV/0!#DIV/0!#DIV/0!#DIV/0!0.2514.340740740000.25#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!#DIV/0!通风管道阻力计算表管道长度L(m)直管段摩擦阻力Ri(Pa)风口阻力系数ζ风口数量n风口阻力Pfk(Pa)渐扩或渐缩阻力系数ξk多页调节风门阻力系数ζt三通阻力系数ξs1.50.121.42739.453460.91.80.57600.97.84.6805.42.704.42.59602.030.5075#DIV/0!10.2500#DIV/0!0#DIV/0!0#DIV/0!0#DIV/0!0#DIV/0!0#DIV/0!0#DIV/0!0#DIV/0!0#DIV/0!0#DIV/0!弯头阻力系数ξw其它形式阻力系数ξq总阻力系数ξz配套部分阻力Rz(Pa)管段总阻力0.98.03755148.1575510.93.57224514.148245004.68002.7002.5960#DIV/0!#DIV/0!000.250#DIV/0!#DIV/0!0#DIV/0!#DIV/0!0#DIV/0!#DIV/0!0#DIV/0!#DIV/0!0#DIV/0!#DIV/0!0#DIV/0!#DIV/0!0#DIV/0!#DIV/0!0#DIV/0!#DIV/0!0#DIV/0!#DIV/0!0#DIV/0!#DIV/0!总(23+150+300)*1.2=568#REF!#REF!#REF!#REF!#REF!