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QSK38-G5型号康明斯柴油发动机技术参数表(英文)


文章出处:www.kmsdl-sz.comol菠菜网电竞发布:康明斯柴油发电机人气: 发表时间:2020-08-08【

QSK38-G5型号康明斯柴油发动机技术参数表(英文)

Compression Ratio: 15:1 Displacement: 2,301 in3 (37.7 L)

Fuel System: Cummins MCRS Aspiration: Turbocharged and Aftercooled

Emission Certification: U.S. EPA Tier 2, CARB Tier 2 (without Centinel)

General Engine Data

Type Four cycle; Vee; 12 Cylinder

Aspiration Turbocharged and Aftercoole

Bore x Stroke 6.25 x 6.25 in

Displacement 2,301 in3

159 x 159 mm

37.7 L

Compression Ratio 15:1

QSK38G5康明斯柴油发动机图纸.png

Approximate engine weight (wet) 9,039 lbm

Moment of Inertia of Rotating Components

with FW6074 Flywheel 93 in-lbf-sec**2

with FW6077 Flywheel 184 in-lbf-sec**2

Center of Gravity

4,100 kg

10.4 kg-m**2

20.8 kg-m**2


 

from rear face of block

31.54

in

801

mm

above crankshaft centerline

6.8

in

173

mm

Maximum Static Loading at Rear Main Bearing

2,000

lbm

907

kg

 


Engine Mounting

Maximum Bending Moment at Rear Face of Block 4,500 lb-ft

Exhaust System

Maximum back pressure at Standby Power 2 in-Hg

Air Induction System

Maximum Intake Air Restriction

6,101 N-m

7 kPa

with Dirty Filter Element

25

in H2O

6.2

kPa

with Normal Duty Air Cleaner and Clean Filter Element

15

in H2O

3.7

kPa

Cooling System

 

 

 

 

Coolant Capacity

 

 

 

 

Engine

112

quarts

106

L

Aftercoolers

24

quarts

22.7

L

Minimum pressure cap rating at sea level

11

psi

76

kPa

Maximum static head of coolant above crankshaft centerline

60

ft

18.3

m

Jacket Water Circuit Requirements

 

 

 

 

Maximum Coolant Friction Head External to Engine - 1,500/1,800 RPM

10 / 10

psi

68.9 / 68.9

kPa

Maximum Coolant Temperature (Max Top Tank Temp) for standby/prime power

220 / 212

deg F

104 / 100

deg C

Thermostat (Modulating) Range

180 - 202

deg F

82 - 94

deg C

Aftercooler Circuit Requirements

 

 

 

 

Maximum Coolant Friction Head External to Engine - 1,500/1,800 RPM

10 / 10

psi

68.9 / 68.9

kPa

Maximum coolant temperature into the aftercooler @ 25C (77F) ambient

120

deg F

49

deg C

Maximum coolant temperature into aftercooler @ Limiting Ambient conditions for standby/prime power

 

170 / 160

 

deg F

 

77 / 71

 

deg C

Thermostat (Modulating) Range

115 - 135

deg F

46 - 57

deg C

Lubrication System

Oil Pressure

@ Minimum low idle

20

psi

138 kPa

@ Governed speed

50 - 70

psi

344.7 - 482.6 kPa

Maximum Oil Temperature

248

deg F

120 deg C

Oil Capacity with OP Oil Pan: Low-High

37 - 44

 

gal

140.1 -

166.6 L

Total System Capacity (with Combo Filter)

45

gal

170.3 L

Fuel System

Type Injection System

 

 

Cummins MCRS

Maximum fuel supply restriction at fuel pump inlet

 

 

 

with clean fuel filter element(s) at maximum fuel flow

5

in-Hg

16.9 kPa

with dirty fuel filter element(s) at maximum fuel flow

10

in-Hg

34 kPa

Maximum fuel inlet temperature

160

deg F

71 deg C

Maximum supply fuel flow

185

gal/hr

700 L/hr

Maximum return fuel flow

99

gal/hr

375 L/hr

 

Electrical System

System voltage

Minimum Recommended Battery Capacity

cold soak at 10 deg C (50 deg F) and above cold soak at 0 to 10 deg C (32 to 50 deg F)

24 V

cold soak at -18 to 0 deg C (0 to 32 deg F) 1,800 CCA Maximum starting circuit resistance 0.002 Ohm

Cold start capability

Unaided Cold Start

Minimum cranking speed 150 RPM

Minimum ambient temperature for unaided cold start 45 deg F

Performance Data

deg C

All data is based on: • Engine operating with fuel system, water pump, lubricating oil pump, air cleaner and exhaust silencer; not included are battery charging alternator, fan, and optional driven components.

Engine operating with fuel corresponding to grade No. 2-D per ASTM D975.

ISO 3046, Part 1, Standard Reference Conditions of:

 

Barometric Pressure :

100 kPa (29.53 in Hg)

Air Temperature:

25 °C (77 °F)

Altitude:

110 m (361 ft)

Relative Humidity:

30%

 

Estimated Free Field Sound Pressure Level of a Typical Generator Set; Excludes Exhaust Noise; at Rated Load and 7.5 m (24.6 ft);

1,500/1,800 RPM 99.6 / 102.2 dBa

Exhaust Noise at Rated 1 m Horizontally From Centerline of Exhaust Pipe Outlet

Upwards at 45%; 1,500/1,800 RPM 96.9 / 95.6 dBa

Governed Engine Speed Engine Idle Speed

Gross Engine Power Output Brake Mean Effective Pressure Piston Speed

Friction Horsepower

RPM RPM


hp (kW) psi (kPa) ft/min (m/s)

hp (kW)


Engine Jacket Water Flow at Stated Friction Head external to Engine


2.5 psi-2.5 psi Friction Head

Maximum Friction Head Engine Data

Intake Air Flow

Exhaust Gas Temp - Dry Stack Exhaust Gas Flow

Air to Fuel ratio

Heat Rejection to Ambient

Heat Rejection to Jacket Coolant Heat Rejection to Exhaust

Heat Rejection to Fuel*

 

Standby Power

Prime Power

1,800

1,500

1,800

1,500

700 - 900

700 - 900

700 - 900

700 - 900

1,716 (1,280)

1,641 (1,224)

1,425 (1,063)

1,484 (1,107)

327 (2,255)

375 (2,586)

272 (1,875)

339 (2,337)

1,870 (9.5)

1,555 (7.9)

1,870 (9.5)

1,555 (7.9)

163 (122)

115 (86)

163 (122)

115 (86)

 

336 (1,272)

 

274 (1,037)

 

336 (1,272)

 

274 (1,037)

284 (1,075)

209 (791)

284 (1,075)

209 (791)

4,321 (2,039)

3,380 (1,595)

3,894 (1,838)

3,229 (1,524)

748 (398)

907 (486)

708 (376)

901 (483)

9,307 (4,392)

8,289 (3,912)

8,202 (3,871)

7,926 (3,741)

31.6:1

26:1

33.9:1

27:1

7,150 (126)

6,810 (120)

6,020 (106)

6,265 (110)

25,783 (453)

25,381 (446)

21,804 (383)

23,893 (420)

48,545 (854)

50,119 (881)

42,445 (746)

46,851 (824)

414 (7.3)

379 (6.7)

414 (7.3)

379 (6.7)

 

24,467 (430)

 

18,186 (320)

 

19,509 (343)

 

16,461 (289)

 

168 (636)

 

137 (519)

 

168 (636)

 

137 (519)

150 (568)

116 (439)

150 (568)

116 (439)


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