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Forum: Main CFD Forum

July 22, 2015, 17:52

Replies: 8

relation between stagnation pressure and naview-stoke equations

Views: 1,148

Posted By FMDenaro

you cannot write Bernoulli that has the constant...

you cannot write Bernoulli that has the constant density...for compressible flows you should write the Crocco integral ...

Forum: Main CFD Forum

July 22, 2015, 17:24

Replies: 8

relation between stagnation pressure and naview-stoke equations

Views: 1,148

Posted By FMDenaro

What about the difference ? Even for small...

What about the difference ? Even for small viscosity the walls of the duct can produce effects ... Have you tried to compute p0 along the centerline axis?

Forum: Main CFD Forum

July 22, 2015, 17:04

Replies: 8

relation between stagnation pressure and naview-stoke equations

Views: 1,148

Posted By FMDenaro

That depends...for example, even for inviscid...

That depends...for example, even for inviscid flows P0 is no longer constant is a shock appears...
The change in p0 depends on the entropy variation

Forum: Main CFD Forum

July 22, 2015, 15:50

Replies: 8

relation between stagnation pressure and naview-stoke equations

Views: 1,148

Posted By FMDenaro

p0 is no longer a constant when dissipative...

p0 is no longer a constant when dissipative effects take place as for the NS equations...

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