过滤器阻力损失
Filter resistance loss
ΔP--阻力损失, Pa
ΔP-- Resistance loss ,Pa
λ--摩擦系数,无因次
λ--Friction coefficient , Dimensionless
Re-雷诺数, Re=(ω·dn)/u,无因次
Re-Reynolds number ,Re=(ω·dn)/u,Dimensionless
ω-流体速度, m/s
ω-Fluid velocity ,m/s
ρ-流体密度, kg/m3
ρ-Fluid density ,kg/m 3
μ-动力粘度, kg/m·s
μ-Dynamic viscosity ,kg/m· s
u-运动粘度 u=μ /ρ,m2/s
u-movement viscosity u=μ/ρ,m2/s
L-当量直管段长度, m,类管件过滤器查阅下表“类管件过滤器公称直径与