Derive an expression for efficiency of diesel cycle.

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written 8.9 years ago by

teamques10 ★ 70k

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Diesel cycle comprises of the following operations:

(i) 1-2......Adiabatic compression.

(ii) 2-3......Addition of heat at constant pressure.

(iii) 3-4......Adiabatic expansion.

(iv) 4-1......Rejection of heat at constant volume.

Consider 1 kg of air.

Heat supplied at constant pressure =$C_p (T_3-T_2 )$

Heat rejected at constant volume =$C_v (T_4-T_1 )$

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