12.8 Steady One-Dimensional Non-Isentropic Flow

Consider the case of steady compressible flow in a duct of constant cross-sectional area as illustrated in Figure 12.24, where the duct need not have a circular cross section and the flow need not be frictionless. A control volume is defined such that it includes a finite segment of the flow, and the applicable control-volume equations are given by

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In this case, Fx is the frictional ...

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