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time step for unsteady film cooling simulation

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Old   December 11, 2007, 06:14
Default time step for unsteady film cooling simulation
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Janendra Telisinghe
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Hi,

I'm trying to simulate film cooling on a flat plate using an unsteady solver. I'm not sure what time step I should use for the simulation. My freestream flow is M=0.3 whilst the plenum flow is M~=0.

I wondered whether anyone could advice me on how to determine the time step for the unsteady simulation please?

Many thanks From JT
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