absolute and total pressure
What is the difference in Fluent between absolute pressure and total pressure???
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Re: absolute and total pressure
absolute pressure = static_pressure + operating_pressure total_pressure = static_pressure + dynamic_pressure dynamic_pressure = 0.5*rho*U**2
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Re: absolute and total pressure
absolute/gauge is just a reporting convention (usually relative to atmospheric pressure)
static/total is a key physical variation such that at rest static pressure = total pressure but as fluid momentum increases the two separate and the difference is the dynamic pressure. |
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