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nsc
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Join Date: Aug 2010
Posts: 15

Cavitation

09/28/2011 12:25 AM

Hi friends

I would like to know which one of these pressures are related to Cavitation: STAGNATION PRESSURE or STATIC PRESSURE?

I have read in an academic reference book (CENGEL) that STATIC PRESSURE is a criteria for cavitation, comparing with vapour pressure, but in calculation of NPSH we use STAGNATION PRESSURE.
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Tornado
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#1

Re: Cavitation

09/28/2011 1:06 AM

The term "stagnation pressure" is unfamiliar, and perhaps nonstandard. One can guess that it means the same as "static pressure", which is one term that makes up NPSH. By itself, static pressure doesn't mean very much. You nead to read up on NPSHA versus NPSHR, which can be Googled.

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thall
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#2

Re: Cavitation

09/28/2011 9:48 AM

I would like to know which one of these pressures are related to Cavitation: STAGNATION PRESSURE or STATIC PRESSURE?

It depends on what kind of mood the TSA Agent is in.

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