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What causes the flow properties to vary in quasi – one – dimensional flow?(a) Cross – sectional area(b) Normal shock(c) Head addition(d) Frictional dragThe question was posed to me in an international level competition.My query is from Governing Equations in section Quasi-One-Dimensional Flow of Aerodynamics

Answer»

Correct CHOICE is (a) Cross – SECTIONAL area

Explanation: In case of quasi – one dimensional flow the flow PROPERTIES keep changing along the DISTANCE x due to the varying cross – sectional area (A) which is in contrast to the one – dimensional flow. In that, the area REMAINS constant thus, the flow properties change fir to the presence of shock wave friction and heat addition or removal.



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