(a) the mass of working gas used in the cycle,

For each engine configuration, determine and show your work:

(a) the mass of working gas used in the cycle,

(b) the net work done per cycle (in kJ),

(c) the net power output produced (in kW),

(d) the external heat delivered to the expansion space QE during the expansion process (3)-(4),

(e) the thermal efficiency of the engine,

(f) the amount of thermal power (in kW) rejected to the cooling water,

(g) the amount of heat transferred to the working fluid QR as it passes through the regenerator

during process (2)-(3),

(h) the thermal efficiency of the engine if there were no regenerator (i.e., if the heat at process

(2)-(3) were to be supplied externally), and

(i) show the cycle on a P-V diagram.


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