The airplane SR$-71$ fitted with two Pratt & Whitney turbojet J$58$ engines that incorporates an afterburner. All processes are assumed ideal with constant values of both $($Cp and $).$ a$.$ Draw a schematic diagram for the engine identifying each state by a number from $(17),$ b$.$ Draw the corresponding cycle on T$$S and P$$v diagrams, c$.$ Efficiency of diffuser, compressor and turbine, d$.$ Percentage of pressure drop in combustion chamber and afterburner, e$.$ Total rate of burnt fuel in engine if QR $=44$ MJ$/$kg$,$ burner$=0\mathrm{.}96$ and air mass flow rate $=135$ kg$/$s f$.$ The thrust force if the inlet area is $0\mathrm{.}25$ m$2$