Question

A jet engine receives a flow of 500 ft/s air at 10 lbf/in.² , 40 F inlet area of 7 ft² with an exit at 1500 ft/s, 10 lbf/in^.2 , 1100 R. Find the mass flow rate and thrust.

Answer 1

m. = ρAV; 

ideal gas ρ = P/RT 

The shaft must have axial load bearings to transmit thrust to aircraft.