Question: 32 1. Give brief explanations (or definitions) of the following fundamental concepts. (4 each subproblem, total 32) (1) Physical meaning of the divergence of

32 1. Give brief explanations (or definitions) of the following fundamental concepts. (4 each subproblem,

32 1. Give brief explanations (or definitions) of the following fundamental concepts. (4 each subproblem, total 32) (1) Physical meaning of the divergence of velocity (2) Kutta condition (3) Kelvin's circulation theorem (4) Steady and unsteady flows (5) Aerodynamic model of classical lift-line theory (6) Flow property changes across shock waves and expansion waves (7) Down wash and induced drag (8) Effects of upstream Mach number and deflection angle on the strength of oblique shock waves

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1 Physical meaning of the divergence of velocity The divergence of velocity is a measure of how much a fluid is expanding or contracting at a given point It is calculated by taking the divergence of t... View full answer

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