A two dimensional spike type inlet is operating in the

Last updated: 6/13/2023

A two dimensional spike type inlet is operating in the supercritical mode at a flight Mach number of 3 0 The local static pressure and temperature are 50 kPa and 260 K respectively The flow cross sectional area at the cowl inlet A is 0 1 m the cross sectional area at the location where the normal shock occurs in the diverging passage A3 A4 is 0 12 m See Figure 8 6 Calculate the mass flow rate and total pressure ratio Pol Po3 Neglect friction The spike half angle is 10 and the ratio of specific heats is y 1 4 M 1 2 3 Figure 8 6 Flow Regions within a Spike Diffuser Operating in the Supercritical Mode