Page 12 - 4911
P. 12
l ст = C v· (T 1 – T 2) (5.4)
where Cv – specific heat at constant volume.
C C R
p
v
The compressive adiabatic expansion work of WF
l w = C v· (T 3 – T 4) (5.5)
The specific work of the compressor
l C T T (5.6)
K pm 1 2
The turbine’s specific work
l C T T (5.7)
T pm 3 4
The specific work of cycle
l C = l K + l T (5.8)
5.2 Characteristics of the Carnot’s cycle
Thermal efficiency
T
1 1 (5.9)
tk
T 3
The absorbs specific heat energy by work fluid
T
m
q T C ln 3 (5.10)
1k 3 pm T
1
The reject Specific heat from WF
m T
q T C ln 1
2k 1 . pm T (5.11)
3
Specific work Carnot’s cycle
l k = q 1k + q 2k (5.12)
12