Flow around a sphere

  • Thread starter secret2
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  • #1
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For a sphere moving through an incompressible fluid, what is the condition for cavitation to occur?
 

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  • #2
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Well--this is a bit more complex than it may seem--you are dealing with a lot of different variables ---like viscosity/density/delta pressure/------perhaps a google search under "Sphere+cavitation" would help. Try that--and I will look also.

Photongod
 
  • #3
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Maybe there is some sort of simplified answer for it? The question is suppoesed to be a relatively short one....
 
  • #4
FredGarvin
Science Advisor
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Cavitation will happen when the pressure at any point drops below the fliud's vapor pressure. This can happen around a sphere if there is sufficient enough flow separation happens behind the sphere, creating an adverse pressure gradient.
 

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