An engine working on dual cycle uses a compression of 14. The intake pressure and temperature are 1 bar and 330k. The explosion ratio is 1.4. The heat supplied during constant pressure process is twice that at the constant volume process. -

Mumbai university > MECH > SEM 3 > THERMO

Marks: 10M

Year: May 2015

Given:

.r= 14; T1 =330K and P1 = 1bar;;er = 1.4

Qp=2Qv

$\frac{T_2}{T_1} = (\frac{v_1}{v_2})^{k - 1} , \ \ \ \ T_2 = T_1r^{k - 1}$

$T_2 = 300 × 14^{1.4 - 1} = 948$

$\frac{T_2}{T_1} = (\frac{v_1}{v_2})^{k} , \ \ \ \ P_2 = P_1r^k$

$P_2 = 1 …