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I have a problem with the momentum equation in fluid mecanics. Here is my probleme.

I have a Y pipe which is horizontal. The inlet velocity is Va, section A, mass flow Qa, and pressure Pa. The pipe is deviding in two sections B and C. I know Vb,Vc section B and C, mass flow at B and C and the pressure Pb and Pc. The angle between the horizonthal section and the other is theta

I want to have the force applied on the pipe. If I apply the momentum equation i will have :

sum Fx=rhoQ delta(Vx)

sum Fy=rhoQ delta(Vy).

What is the strategie for a Y pipe? With a simple pipe we would have:

PaVa-PbVb-Fx=rhoQ(Vb-Va) but for a Y pipe i don't know.

Can someone help me?

Sorry for my poo English my native laguage is French.

Thanks

Loic

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# Fluid Mecanics : Force on a Y pipe

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