MAN Diesel 4.10
Page 3 of 3
MAN Diesel
198 82 853.0MAN B&W 98-50MC/MC-C/ME/ME-C/ME-B/-GI-TII,
46-35ME-B/-GI-TII engines
Fig. 4.10.02b: List of capacities for L28/32H, 720 rpm, IMO Tier II.
L28/32H-Tll GenSet Data
1) Tolerance: + 10% for rating coolers, - 15% for heat recovery
2) Basic values for layout of the coolers
3) under above mentioned reference conditions
4) Tolerance: quantity +/- 5%, temperature +/- 20°C
5) Under below mentioned temperature at turbine outlet and pressure
according above mentioned reference conditions
6) Tolerance of the pumps delivery capacities must be considered by the
manufactures
* Only valid for engines equipped with internal basic cooling water sys-
tem no. 1 and 2.
** Only valid for engines equipped with combined coolers, internal basic
cooling water system no. 3
5L-9L: 210 kW/Cyl. at 720 rpm
Reference Condition: Tropic
Air temperature
LT water temperature inlet engine (from system)
Air pressure
Relative humidity
°C
°C
bar
%
45
38
1
50
Number of Cylinders
-
5 6 7 8 9
Engine output
Speed
kW
rpm
1,050 1,260 1,470 1,680 1,890
720
Heat to be dissipated
1)
Cooling water (C.W.) Cylinder
Charge air cooler; cooling water HT
Charge air cooler; cooling water LT
Lube oil (L.O.) cooler
Heat radiation engine
kW
kW
kW
kW
kW
234 281 328 375 421
0
(Single stage charge air cooler)
355 397 500 553 592
191 230 268 306 345
26 31 36 42 47
Flow rates
2)
Internal (inside engine)
HT cooling water cylinder
LT cooling water lube oil cooler *
LT cooling water lube oil cooler **
LT cooling water charge air cooler
m
3
/h
m
3
/h
m
3
/h
m
3
/h
37 45 50 55 60
7.8 9.4 11 12.7 14.4
28 28 40 40 40
37 45 55 65 75
Air data
Temperature of charge air at charge air cooler outlet
Air flow rate
Charge air pressure
Air required to dissipate heat radiation (engine) (t
2
-t
1
=10°C)
°C
m
3
/h
3)
kg/kWh
bar
m
3
/h
51 52 51 52 53
7,355 8,826 10,297 11,768 13,239
7.67 7.67 7.67 7.67 7.67
2.97
8,425 10,045 11,665 13,609 15,230
Exhaust gas data
4)
Volume flow (temperature turbocharger outlet)
Mass flow
Temperature at turbine outlet
Heat content (190°C)
Permissible exhaust back pressure
m
3
/h
5)
t/h
°C
kW
mbar
14,711 17,653 20,595 23,537 26,479
8.3 9.9 11.6 13.2 14.9
347 347 347 347 347
389 467 545 623 701
< 30
Pumps
a) Engine driven pumps
Fuel oil feed pump (5,5-7,5 bar)
HT circuit cooling water (1,0-2,5 bar)
LT circuit cooling water (1,0-2,5 bar)
Lube oil (3,0-5,0 bar)
b) External pumps
6)
Diesel oil pump (4 bar at fuel oil inlet A1)
Fuel oil supply pump (4 bar discharge pressure)
Fuel oil circulating pump (8 bar at fuel oil inlet A1)
HT circuit cooling water (1,0-2,5 bar)
LT circuit cooling water (1,0-2,5 bar) *
LT circuit cooling water (1,0-2,5 bar) **
Lube oil (3,0-5,0 bar)
m
3
/h
m
3
/h
m
3
/h
m
3
/h
m
3
/h
m
3
/h
m
3
/h
m
3
/h
m
3
/h
m
3
/h
m
3
/h
1.4 1.4 1.4 1.4 1.4
45 45 60 60 60
45 60 75 75 75
24 24 34 34 34
0.74 0.89 1.04 1.19 1.34
0.36 0.43 0.50 0.57 0.64
0.74 0.89 1.04 1.19 1.34
37 45 50 55 60
45 54 65 77 89
65 73 95 105 115
22 23 25 27 28
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