158
Appendix C
Fig. C.1 Heat Engine. (After
Jae Dong Noh (2015), [5])
T H
T C
E
W
Q H
Q C
Fig. C.2 Carnot Engine.
(After Jae Dong Noh (2015),
[5])
C
W
Q H
Q C
T H
T C
Fig. C.3 Endoreversible
Engine. (After Jae Dong Noh
(2015), [5])
(
(
T1
TA
TB
T2
TB T2
P W
=
-
-
Q 2
Q 1
T1 TA
=
=
C
η Carnot = 1 −
T C
T H
η
(C.2)
The endoreversible engine see Fig. C.3 was given by [4],
The endoreversibility condition is,
α (T 1 − T A )
T A
=
β (T B − T 2 )
T B
(C.3)
Obtained by maximizing P with respect to T A and T B , then the efficiency at the
maximu power is
η MP = 1 −
T 2
T 1
(C.4)