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The constant h + V^2/2 for an inviscid, adiabatic and a steady flow is equal to the stagnation enthalpy for the fluid.

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The constant h + V^2/2 for an inviscid, adiabatic and a steady flow is equal to the stagnation enthalpy for the fluid.

(a) True

(b) False

The question was posed to me in my homework.

Asked question is from Definition of Total Stagnation Conditions topic in chapter Compressible Flow – Preliminary Aspects of Aerodynamics

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Correct choice is (a) True

To explain: By definition, stagnation enthalpy is the enthalpy of the fluid when the velocity is zero. Thus, putting V = 0 in the equation gives the stagnation enthalpy as the constant because the equation holds for any point along the streamline.

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