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Fluid flow problem with the momentum balance equation

  • #1
All problem info, and my work is done in the attached pdf.

Basically, I'm not sure that I have done it correctly.
 

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Answers and Replies

  • #2
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What is the formula for the area of a circle in terms of diameter?
 
  • #3
Ooops

So the answer is then:


Fp = -[itex]\rho[/itex]vj2[itex]\frac{\pi}{4}[/itex](D12 - D22)
 
  • #4
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Looks good to me.
 
  • #5
rude man
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Comment: interesting problem; case where change in momentum is vΔm instead of the usual mΔv.
 

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