Water at 15degreeC flows at speed V around a cylindrical object of diameter D as

Question

Water at 15degreeC flows at speed V around a cylindrical object of diameter D as sketched. Angle beta varies from 0- to 180- along the top of the cylinder, and the pressure along the top of the cylinder is approximated as P = Patm +[1/2-2sin2 beta] rhoV2, where the local atmospheric pressure is Patm = 95.8 kPa. If cavitation were to occur, at what angle beta would it most likely occur? As the water speed V increases, the pressure at the angle found in part (a) will decrease, and eventually it will equal the vapor pressure of the water, at which point cavitation will begin to occur. Using the given information, find the value of V corresponding to the onset of cavitation. If the water temperature were to increase, would cavitation be more or less likely? In other words, would the speed corresponding to the onset of cavitation decrease or increase? Explain.

Explanation / Answer

you are nit allowed to ask so many questions in a single post pls split them in multiple posts and then re post them( i know they are related to each other so post the first part get its solution and then post the second part n provide the solution of first part with it) thanks

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