110
K. V. S. Teja et al.
100
150
200
250
300
45
50
55
60
65
70
75
80
85
90
Temperature at turbine inlet (without losses)
Temperature at turbine inlet (with losses)
Velocity at turbine inlet (without losses)
Velocity at turbine inlet (with losses)
Chimney height (m)
Temperature at turbine inlet (
o
C)
16
18
20
22
24
26
28
30
32
34
36
38
40
Velocity at turbine inlet (ms
-1
)
Fig. 7.11 Variation of temperature and velocity at turbine inlet calculated on 21st June between
11:00 and 12:00 for both cases when chimney height is varied
100
150
200
250
300
0
50
100
150
200
250
300
350
Power output (without losses)
Power output (with losses)
Overall Efficiency (without losses)
Overall Efficiency (with losses)
Chimney height (m)
Power output (kW)
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
0.55
0.60
Overall Efficiency (%)
Fig. 7.12 Variation of output power and overall efficiency calculated on 21st June between 11:00
and 12:00 for both cases when chimney height is varied