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2. Flow equations for a compressible gas
This paragraph
2
gives a simple reminder of the equations of flow of a compressible gas in a tube of slowly varying cross-section. For more detailed information, please refer to the article Unsteady flows
Euler variables are used for the equation.
This is a one-dimensional model: in each straight section of the tube, the gas velocity is assumed to be uniform (since flow is turbulent, this assumption is verified) or, at least, the flow velocity...
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Flow equations for a compressible gas
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