I-
P1= 10^5 Pa
V1= 3.10^-3 m^3
T1= 295,15 K
P2= 20.10^5 Pa
V2= 1,5.10^-4 m^3
T2= 295,15K
P3= 20.10^5 Pa
V3= 5,45.10^-4 m^3
T3= 1073,15K
P4= 1,83.10^5 Pa
V4= 3.10^-3 m^3
T4= 540 K
W1= + 898 J
Q1= - 898 J
DU1 = 0 J
W2 = - 790 J
Q2 = 2766,5 J
DU2 = 1976,5 J
W3= - 1352,5 J
Q3 = 0 J
DU3 = - 1352,5 J
W4 = 0 J
Q4 = -622 J
DU4 = -622 J
Rendement = Somme (W) / Q0 = 45%
II-
Tf = 45°C.
DU = 0 J (...)
DS = Cp.ln (Tf/Ti) = -553 J/K !!!!!!
'Vois pas comment le calculer...