P22:单管顺流公式的推导错误,以前没留意,今日细看又发现一处如按图1.3-3:ΔP=gh1(ρ1-ρg)+gh2(ρ2-ρg)=gH1ρ1-gH1ρg+gH2ρ2-gH2ρg-gH1ρ2+gH1ρg=gH1(ρ1-ρ2)+gH2(ρ2-ρg)
如按图1.3-3:
ΔP=gh1(ρ1-ρg)+gh2(ρ2-ρg)=gH1ρ1-gH1ρg+gH2ρ2-gH2ρg-gH1ρ2+gH1ρg=gH1(ρ1-ρ2)+gH2(ρ2-ρg)
P22:单管顺流公式的推导错误,以前没留意,今日细看又发现一处如按图1.3-3:ΔP=gh1(ρ1-ρg)+gh2(ρ2-ρg)=gH1ρ1-gH1ρg+gH2ρ2-gH2ρg-gH1ρ2+gH1ρg=gH1(ρ1-ρ2)+gH2(ρ2-ρg)
相关推荐