Man L23/30DF, Project Manual

Page: 35 / 392

Capacities
5L27/38: 320 kW/cyl., 750 rpm,
6-9L27/38: 330 kW/cyl., 750 rpm
5 6 7 8 9
Engine output
Speed
kW
rpm
1600
750
1980
750
2310
750
2640
750
2970
750
Heat to be dissipated
3)
Cooling water cylinder
Charge air cooler; cooling water HT
Charge air cooler; cooling water LT
Lubricating oil cooler
Heat radiation engine
kW
kW
kW
kW
kW
263
488
194
230
67
330
587
225
279
83
385
666
252
325
97
440
741
280
372
111
495
811
307
418
125
Flow rates
4)
Internal (inside engine)
HT circuit (cy charge air cooler HT stage)
LT circuit (lube oil + charge air cooler LT stage)
Lubrication oil
External (from engine to system)
HT water flow (at 40°C inlet)
LT water flow (at 38°C inlet)
m
3
/h
m
3
/h
m
3
/h
m
3
/h
m
3
/h
69
69
66
16.8
69
69
69
66
20.3
69
69
69
96
23
69
69
69
96
25.7
69
69
69
96
28.2
69
Air data
Temperature of charge air at charge air cooler outlet
Air flow rate
Charge air pressure
Air required to dissipate heat radiation (eng.)
(t
2
-t
1
= 10°C)
°C
m
3
/h
5)
kg/kWh
bar
m
3
/h
51
9951
6.81
4.04
21710
53
12314
6.81
4.04
26895
55
14367
6.81
4.04
31431
56
16419
6.81
4.04
35968
57
18472
6.81
4.04
40504
Exhaust gas data
6)
Volume flow (temperature turbocharger outlet)
Mass flow
Temperature at turbine outlet
Heat content (190°C)
Permissible exhaust back pressure
Permissible exhaust back pressure (SCR)
m
3
/h
7)
t/h
°C
kW
mbar
mbar
20546
11.2
365
589
< 30
< 50
25426
13.9
365
729
< 30
< 50
29664
16.2
365
850
< 30
< 50
33901
18.5
365
972
< 30
< 50
38139
20.8
365
1093
< 30
< 50
Pumps
External pumps
8)
Diesel oil pump
Fuel oil supply pump
Fuel oil circulating pump
9)
(5 bar at fuel oil inlet A1)
(4 bar discharge pressure)
(8 bar at fuel oil inlet A1)
m
3
/h
m
3
/h
m
3
/h
1.13
0.54
1.13
1.40
0.67
1.40
1.63
0.79
1.63
1.87
0.90
1.87
2.10
1.01
2.10
Starting air data
Air consumption per start,
incl. air for jet assist (IR/TDI)
Nm
3
2.5 2.9 3.3 3.8 4.3
MAN Diesel & Turbo
1689472-9.4
Page 1 (2)
List of capacities
D 10 05 0
L27/38S, L27/38
2017.03.03 - 330 kW, 750 rpm