Civil Engineering Reference
In-Depth Information
Table 9.5
Technical parameters for reciprocating engines
Efficiency
Heat recovery Electrical Total
Specific
consumption
Input fuel as
natural gas
Electrical size unit
Input power
Input air flow
Heat recovery
kJ/kWh Btu/kWh 10
6
Btu/h Sm
3
/h
10
3
Sm
3
/h 10
3
kg/h 10
3
lb/h
MW
MW
MW
%
%
%
0.25
0.7
9,474
8,980
2.2
69.0
1.0
1.3
2.9
0.3
45
38
83
1
2.4
8,571
8,125
8.1
249.7
3.7
4.8
10.7
1.1
45
42
87
5
11.9
8,571
8,125
40.6
1,248.6 18.7
24.2
53.3
5.4
45
42
87
10
23.8
8,571
8,125
81.2
2,497.1 37.5
48.3
106.5
10.7
45
42
87
Notes
Air density in standard condition 1.29 kg/Sm
3
(0
C, 32
F; 0.1 MPa, 145 psi)
Combustion air 15 Sm
3
per unity of Sm
3
of natural gas (standard for natural gas 15.6
C, 60
F)
