Answer to Question #203765 in Astronomy | Astrophysics for Fatma Metwaly

Question

(a) Explain briefly the following terms used in the text above: (i) stationary flow (ii) polytropic gas (iii) specific enthalpy (b) Show with the Rankine-Hugoniot conditions that the change in specific enthalpy is given by: Ah= P2P 2 The general form of Bernoulli's law is fulfilled on both sides of the shock separately: 2 ++h=0 where is the gravitational potential and b a constant. (c) Assuming that the gravitational potential is the same on both sides, determine how the con- stant bchanges at the shock front. (d) Explain whether Bernoulli's law can be applied across shock fronts.

Answer 1

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