Finding Net Pressure force in a pipe

AI Thread Summary
To find the net pressure force acting on the inlet of a pipe with water flow, it is essential to apply the impulse-momentum principle, particularly focusing on the bend in the pipe. The momentum flux and areas of both the inlet and outlet are critical for calculations. Although the pressure at the inlet is unknown, the area can be utilized in conjunction with the momentum equations available in fluid mechanics literature. Resources such as fluid dynamics textbooks and online applets can provide further guidance on applying these principles. Understanding these concepts is crucial for accurately determining the net pressure force in the specified direction.
Mr. A
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I have a pipe that has an inlet (x-direction) and outlet (y-direction) with water flowing through it. I want to find net pressure force in x-direction (at the inlet)

I have momentum flux and areas of the inlet and outlet.

How can I find the net pressure force acting on the inlet? I don't know the pressure acting on the inlet, but I know the area.
 
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