Which of these is not the assumption for Taylor – Maccoll conical flow?(a) Cone is placed at the zero angle of attack(b) Flow properties along a ray of cone are constant(c) Shock wave is curved(d) Flow is axisymmetricThis question was addressed to me by my college director while I was bunking the class.My doubt stems from Quantitative Formulation topic in section Linearized and Conical Flows of Aerodynamics

Which of these is not the assumption for Taylor – Maccoll conical fl

1.	Which of these is not the assumption for Taylor – Maccoll conical flow?(a) Cone is placed at the zero angle of attack(b) Flow properties along a ray of cone are constant(c) Shock wave is curved(d) Flow is axisymmetricThis question was addressed to me by my college director while I was bunking the class.My doubt stems from Quantitative Formulation topic in section Linearized and Conical Flows of Aerodynamics
Answer» The correct choice is (c) Shock wave is curved To elaborate: There are certain assumptions made to determine the CONICAL flow. As per Taylor – Maccoll, the flow is assumed to be axisymmetric about z – axis \(\frac {∂}{∂ϕ}\) = 0, and the cone is assumed to be at zero ANGLE of attack. If it was kept at any other angle then there will be 3 – dimensional effects that will be hard to ACCOUNT for. Also, the flow properties along the ray of the cone is assumed to be CONSTANT \(\frac {∂}{∂r}\) = 0 and the shock wave is straight.

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