Question: Supersonic airflow enters an adiabatic, constant area pipe (inside diameter (=0.1 mathrm{~m}) ) with (mathrm{Ma}_{1}=2.0). The pipe friction factor is 0.02 . If a standing

Supersonic airflow enters an adiabatic, constant area pipe (inside diameter $=0.1 \mathrm{~m}$ ) with $\mathrm{Ma}_{1}=2.0$. The pipe friction factor is 0.02 . If a standing normal shock is located right at the pipe exit, and the Mach number just upstream of the shock is 1.2, determine the length of the pipe.

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