Natural Gas Engine E 2876 LE 302 Technical...
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Natural Gas Engine E 2876 LE 302 Technical Data Page 1 05 / 2011 Principle: 4-stroke Otto gas engine No of cylinders : 6 in line Supercharging: Exhaust turbocharger with water-cooled turbine housing, pressure-lubricated bearings and water-cooled bearing pedestal. Mixture cooling: Two-stage mixture cooling with high and low temperature cycle. Without mixture water pump the coolant circulation must be designed with external cooling water pumps with mixture temperature regulation at 50 °C. Engine cooling : Without engine water pump, coolant to be circulated by external water pump with temperature control. Lubrication : Pressure lubrication by gear-driven pump, exchangeable lube-oil filter in full flow and lube oil cooler integrated in engine coolant circuit. Spark plugs: Special spark plug for industrial gas engines. Starter motor: Pre-engaged-drive starter 24 V - 6.5 kW Starter battery capacity: 143 Ah, 24 V Since our products are in continuous development, we reserve the right to make technical modifications.
Transcript of Natural Gas Engine E 2876 LE 302 Technical...
Natural Gas Engine E 2876 LE 302Technical Data
Page 105 / 2011
Principle: 4-stroke Otto gas engine
No of cylinders : 6 in line
Supercharging: Exhaust turbocharger with water-cooled turbine housing,pressure-lubricated bearings and water-cooled bearing pedestal.
Mixture cooling: Two-stage mixture cooling with high and low temperature cycle.Without mixture water pump the coolant circulation must be designedwith external cooling water pumps with mixture temperature regulationat 50 °C.
Engine cooling : Without engine water pump, coolant to be circulated by externalwater pump with temperature control.
Lubrication : Pressure lubrication by gear-driven pump, exchangeable lube-oil filter in full flow and lube oil cooler integrated in engine coolant circuit.
Spark plugs: Special spark plug for industrial gas engines.
Starter motor: Pre-engaged-drive starter 24 V - 6.5 kWStarter battery capacity: 143 Ah, 24 V
Since our products are in continuous development, we reserve the right to make technical modifications.
Natural Gas Engine E 2876 LE 302Technical Data
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Mixture cooling up to 50 °C
ENGINE DATA
λ = 1.60
Rated speed rpm 1500 rpm 1500ISO standard power (COP) kW 210 bhp 282Air ratio λ 1,60 λ 1,60
Configuration in-line engine in-line engineNo of cylinders 6 6Bore mm 128 in 5,04Stroke mm 166 in 6,54Swept volume L 12,82 cu in 782
Direction of rotation looking on flywheelFlywheel housingRing gear with number of teeth Z 160 Z 160
Compression ratio ε 11:1 ε 11:1Mean effective pressure bar 13,10 psi 190,1Mean piston speed m/s 8,30 in/s 326,8
Lube oil consumption up to kg/h 0,15 lb/hr 0,040Lube oil filling quantity min./max. l 30/41 U.S. gal 7.9/10.8
Coolant filling quantity l 16 U.S. gal 4,23Max. operating pressure bar 2 psi 29,0Min. engine coolant circulation quantity l/min 321 U.S. gal/min 84,8
Coolant temperature min. °C 80 °F 176Max. coolant temperature °C 88 °F 190Difference (inlet - outlet max.) K 6 K 6
Max. mixture inlet temperature after throttle valve °C 50 °F 122Max. mixture cooling water inlet temperature LT °C 40 °F 104Min. mixture cooling water circulation quantity LT l/min 162 U.S. gal/min 42,84
Max. mixture cooling water inlet temperature HT °C 85 °F 185Min. mixture cooling water circulation quantity HT l/min 170 U.S. gal/min 44,98
max. suction pressure mbar 15 psi 0,22max. exhaust back pressure mbar 40 psi 0,58
Engine width mm 830 in 32,68Engine length mm 1520 in 59,84Engine height mm 1210 in 47,64Engine weight, dry kg 990 lb 2183
Lube oil to MAN works standard M 3271-2 and coolant to MAN works standard M 324 Type NFGas quality to MAN data sheet - minimum requirement for the gas quality for MAN gas enginesAir ratio measured by lambdameter ETAS LA 4_E
122 °F
SAE 1 SAE 1
50 HzMETRIC
50 HzENGLISH
counter clockwise counter clockwise
Natural Gas Engine E 2876 LE 302Technical Data
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Mixture cooling up to 50 °C
RATING DATAλ = 1.60Load % 100 75 50Ignition timing °BTDC 16 16 16ISO standard rating kW 210 158 105Coolant heat kW 99 88 80Mixture heat HT kW 21 10 2Mixture heat LT kW 20 15 10Exhaust heat up to 120 °C kW 143 112 75Radiation heat max. kW 16Energy input kW 538 426 312
Fuel consumption MJ/kWh 9,2 9,7 10,7
Efficiencymechanical % 39,0 37,0 33,7thermal % 48,9 49,4 50,3total % 88,0 86,4 84,1
Mass flowsCombustion air kg/h 1061 809 531Fuel kg/h 39 31 23Exhaust gas mass flow rate, wet kg/h 1101 840 553
TemperaturesExhaust gas temperature °C 510 515 520
Emissions at 100 % load (Correlation 5 % O2)NOX mg/Nm³ < 500
ppm < 250CO mg/Nm³ < 600
ppm < 480NMHC mg/Nm³ < 150
ppm < 120
Engine surface noise dB ( A ) 104,1Exhaust sound power level dB ( A ) 139,3
Reference gas mixing unit: RMG 985a-100/90 and ignition system Woodward IC 100
The technical data are based on natural gas with a calorific value of 10 kWh/Nm³ and a methane no. > 80The technical data indicated is based on standard conditions acc to DIN ISO 3046-1Standard conditions: Atmospheric pressure absolute: 100 kPa
Air temperature 25 °CRelative air humidity 30 %
Rating adaptation at ambient conditions acc to DIN ISO 3046-1The tolerance for the specific fuel consumption is + 5 % at rated outputThe tolerance for the usable heat is 7 % at rated outputThe coolant data are based on a 40 % portion of antifreeze
50 HzMETRIC
Natural Gas Engine E 2876 LE 302Technical Data
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Mixture cooling up to
RATING DATAλ = 1.60Load % 100 75 50Ignition timing °BTDC 16 16 16ISO standard rating Btu/min 11942 8957 5971Coolant heat Btu/min 5630 5004 4550Mixture heat HT Btu/min 1194 569 114Mixture heat LT Btu/min 1137 853 569Exhaust heat up to 248 °F Btu/min 8136 6396 4266Radiation heat max. Btu/min 910Energy input Btu/min 30586 24233 17748
Fuel consumption Btu/bhp-hr 6517 6884 7563
Efficiencymechanical % 39,0 37,0 33,7thermal % 48,9 49,4 50,3total % 88,0 86,4 84,1
Mass flowsCombustion air lb/hr 2340 1784 1170Fuel lb/hr 87 69 50Exhaust gas mass flow rate, wet lb/hr 2426 1852 1220
TemperaturesExhaust gas temperature °F 950 959 968
Emissions at 100 % load (Correlation 15 % O2)NOX g/bhp-hr < 1,0
ppm < 91CO g/bhp-hr < 1,5
ppm < 180NMHC g/bhp-hr < 0,2
ppm < 36
Engine surface noise dB ( A ) 104,1Exhaust sound power level dB ( A ) 139,3
Reference gas mixing unit: RMG 985a-100/90 and ignition system Woodward IC 100
The technical data are based on natural gas with a calorific value of 970 Btu/cu ft and a methane no. > 80The technical data indicated is based on standard conditions acc to DIN ISO 3046-1Standard conditions: Atmospheric pressure: 14,5 psi or 328 ft above sea level
Air temperature 77 °FRelative air humidity 30 %
Rating adaptation at ambient conditions acc to DIN ISO 3046-1The tolerance for the specific fuel consumption is + 5 % at rated outputThe tolerance for the usable heat is 7 % at rated outputThe coolant data are based on a 40 % portion of antifreeze
50 HzENGLISH
122 °F
Natural Gas Engine E 2876 LE 302Technical Data
Page 505 / 2011
Mixture cooling up to 80 °C
ENGINE DATA
λ = 1.60
Rated speed rpm 1500 rpm 1500ISO standard power (COP) kW 210 bhp 282Air ratio λ 1,60 λ 1,60
Configuration in-line engine in-line engineNo of cylinders 6 6Bore mm 128 in 5,04Stroke mm 166 in 6,54Swept volume L 12,82 cu in 782
Direction of rotation looking on flywheelFlywheel housingRing gear with number of teeth Z 160 Z 160
Compression ratio ε 11:1 ε 11:1Mean effective pressure bar 13,10 psi 190,1Mean piston speed m/s 8,30 in/s 326,8
Lube oil consumption up to kg/h 0,15 lb/hr 0,040Lube oil filling quantity min./max. l 30/41 U.S. gal 7.9/10.8
Coolant filling quantity l 16 U.S. gal 4,23Max. operating pressure bar 2 psi 29,0Min. engine coolant circulation quantity l/min 350 U.S. gal/min 92,5
Coolant temperature min. °C 80 °F 176Max. coolant temperature °C 88 °F 190Difference (inlet - outlet max.) K 6 K 6
Max. mixture inlet temperature after throttle valve °C 80 °F 176Max. mixture cooling water inlet temperature LT °C 75 °F 167Min. mixture cooling water circulation quantity LT l/min 114 U.S. gal/min 29,99
Max. mixture cooling water inlet temperature HT °C 85 °F 185Min. mixture cooling water circulation quantity HT l/min 114 U.S. gal/min 29,99
max. suction pressure mbar 15 psi 0,22max. exhaust back pressure mbar 40 psi 0,58
Engine width mm 830 in 32,68Engine length mm 1520 in 59,84Engine height mm 1210 in 47,64Engine weight, dry kg 990 lb 2183
Lube oil to MAN works standard M 3271-2 and coolant to MAN works standard M 324 Type NFGas quality to MAN data sheet - minimum requirement for the gas quality for MAN gas enginesAir ratio measured by lambdameter ETAS LA 4_E
176 °F
SAE 1 SAE 1
50 HzMETRIC
50 HzENGLISH
counter clockwise counter clockwise
Natural Gas Engine E 2876 LE 302Technical Data
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Mixture cooling up to 80 °C
RATING DATAλ = 1.60Load % 100 75 50Ignition timing °BTDC 12 12 12ISO standard rating kW 210 158 105Coolant heat kW 108 100 86Mixture heat HT + LT kW 28 16 10Exhaust heat up to 120 °C kW 155 122 82Radiation heat max. kW 17Energy input kW 553 438 318
Fuel consumption MJ/kWh 9,5 10,0 10,9
Efficiencymechanical % 38,0 36,0 33,1thermal % 52,7 54,4 55,8total % 90,7 90,4 89,0
Mass flowsCombustion air kg/h 1091 831 541Fuel kg/h 40 32 23Exhaust gas mass flow rate, wet kg/h 1132 863 564
TemperaturesExhaust gas temperature °C 525 530 540
Emissions at 100 % load (Correlation 5 % O2)NOX mg/Nm³ < 500
ppm < 250CO mg/Nm³ < 600
ppm < 480NMHC mg/Nm³ < 150
ppm < 120
Engine surface noise dB ( A ) 104,1Exhaust sound power level dB ( A ) 138,9
Reference gas mixing unit: RMG 985a-100/90 and ignition system Woodward IC 100
The technical data are based on natural gas with a calorific value of 10 kWh/Nm³ and a methane no. > 80The technical data indicated is based on standard conditions acc to DIN ISO 3046-1Standard conditions: Atmospheric pressure absolute: 100 kPa
Air temperature 25 °CRelative air humidity 30 %
Rating adaptation at ambient conditions acc to DIN ISO 3046-1The tolerance for the specific fuel consumption is + 5 % at rated outputThe tolerance for the usable heat is 7 % at rated outputThe coolant data are based on a 40 % portion of antifreeze
50 HzMETRIC
Natural Gas Engine E 2876 LE 302Technical Data
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Mixture cooling up to
RATING DATAλ = 1.60Load % 100 75 50Ignition timing °BTDC 12 12 12ISO standard rating Btu/min 11942 8957 5971Coolant heat Btu/min 6142 5687 4891Mixture heat HT + LT Btu/min 1592 910 569Exhaust heat up to 248 °F Btu/min 8832 6928 4638Radiation heat max. Btu/min 967Energy input Btu/min 31448 24880 18080
Fuel consumption Btu/bhp-hr 6700 7068 7704
Efficiencymechanical % 38,0 36,0 33,1thermal % 52,7 54,4 55,8total % 90,7 90,4 89,0
Mass flowsCombustion air lb/hr 2406 1831 1192Fuel lb/hr 89 70 51Exhaust gas mass flow rate, wet lb/hr 2495 1902 1243
TemperaturesExhaust gas temperature °F 977 986 1004
Emissions at 100 % load (Correlation 15 % O2)NOX g/bhp-hr < 1,0
ppm < 91CO g/bhp-hr < 1,5
ppm < 180NMHC g/bhp-hr < 0,2
ppm < 36
Engine surface noise dB ( A ) 104,1Exhaust sound power level dB ( A ) 139,3
Reference gas mixing unit: RMG 985a-100/90 and ignition system Woodward IC 100
The technical data are based on natural gas with a calorific value of 970 Btu/cu ft and a methane no. > 80The technical data indicated is based on standard conditions acc to DIN ISO 3046-1Standard conditions: Atmospheric pressure: 14,5 psi or 328 ft above sea level
Air temperature 77 °FRelative air humidity 30 %
Rating adaptation at ambient conditions acc to DIN ISO 3046-1The tolerance for the specific fuel consumption is + 5 % at rated outputThe tolerance for the usable heat is 7 % at rated outputThe coolant data are based on a 40 % portion of antifreeze
50 HzENGLISH
122 °F
Natural Gas Engine E 2876 LE 302Technical Data
Page 805 / 2011
Mixture cooling up to 50 °C
ENGINE DATA
λ = 1.60
Rated speed rpm 1800 rpm 1800ISO standard power (COP) kW 210 bhp 282Air ratio λ 1,60 λ 1,60
Configuration in-line engine in-line engineNo of cylinders 6 6Bore mm 128 in 5,04Stroke mm 166 in 6,54Swept volume L 12,82 cu in 782
Direction of rotation looking on flywheelFlywheel housingRing gear with number of teeth Z 160 Z 160
Compression ratio ε 11:1 ε 11:1Mean effective pressure bar 10,92 psi 158,4Mean piston speed m/s 9,96 in/s 392,1
Lube oil consumption up to kg/h 0,15 lb/hr 0,040Lube oil filling quantity min./max. l 30/41 U.S. gal 7.9/10.8
Coolant filling quantity l 16 U.S. gal 4,23Max. operating pressure bar 2 psi 29,0Min. engine coolant circulation quantity l/min 286 U.S. gal/min 75,7
Coolant temperature min. °C 80 °F 176Max. coolant temperature °C 88 °F 190Difference (inlet - outlet max.) K 6 K 6
Max. mixture inlet temperature after throttle valve °C 50 °F 122Max. mixture cooling water inlet temperature LT °C 40 °F 104Min. mixture cooling water circulation quantity LT l/min 166 U.S. gal/min 43,79
Max. mixture cooling water inlet temperature HT °C 85 °F 185Min. mixture cooling water circulation quantity HT l/min 180 U.S. gal/min 47,60
max. suction pressure mbar 15 psi 0,22max. exhaust back pressure mbar 40 psi 0,58
Engine width mm 830 in 32,68Engine length mm 1520 in 59,84Engine height mm 1210 in 47,64Engine weight, dry kg 990 lb 2183
Lube oil to MAN works standard M 3271-2 and coolant to MAN works standard M 324 Type NFGas quality to MAN data sheet - minimum requirement for the gas quality for MAN gas enginesAir ratio measured by lambdameter ETAS LA 4_E
122 °F
SAE 1 SAE 1
60 HzMETRIC
60 HzENGLISH
counter clockwise counter clockwise
Natural Gas Engine E 2876 LE 302Technical Data
Page 905 / 2011
Mixture cooling up to 50 °C
RATING DATAλ = 1.60Load % 100 75 50Ignition timing °BTDC 18 18 18ISO standard rating kW 210 158 105Coolant heat kW 106 103 92Mixture heat HT kW 25 15 4Mixture heat LT kW 23 15 11Exhaust heat up to 120 °C kW 157 120 82Radiation heat max. kW 16Energy input kW 567 454 333
Fuel consumption MJ/kWh 9,7 10,4 11,4
Efficiencymechanical % 37,0 34,8 31,5thermal % 50,8 52,4 53,5total % 87,8 87,2 85,0
Mass flowsCombustion air kg/h 1119 834 554Fuel kg/h 41 33 24Exhaust gas mass flow rate, wet kg/h 1160 867 578
TemperaturesExhaust gas temperature °C 525 530 540
Emissions at 100 % load (Correlation 5 % O2)NOX mg/Nm³ < 500
ppm < 250CO mg/Nm³ < 600
ppm < 480NMHC mg/Nm³ < 150
ppm < 120
Engine surface noise dB ( A ) 106,2Exhaust sound power level dB ( A ) 140,0
Reference gas mixing unit: RMG 985a-100/90 and ignition system Woodward IC 100
The technical data are based on natural gas with a calorific value of 10 kWh/Nm³ and a methane no. > 80The technical data indicated is based on standard conditions acc to DIN ISO 3046-1Standard conditions: Atmospheric pressure absolute: 100 kPa
Air temperature 25 °CRelative air humidity 30 %
Rating adaptation at ambient conditions acc to DIN ISO 3046-1The tolerance for the specific fuel consumption is + 5 % at rated outputThe tolerance for the usable heat is 7 % at rated outputThe coolant data are based on a 40 % portion of antifreeze
60 HzMETRIC
Natural Gas Engine E 2876 LE 302Technical Data
Page 1005 / 2011
Mixture cooling up to
RATING DATAλ = 1.60Load % 100 75 50Ignition timing °BTDC 18 18 18ISO standard rating Btu/min 11942 8985 5971Coolant heat Btu/min 6028 5857 5232Exhaust heat up to 248 °F Btu/min 8928 6824 4663Radiation heat max. Btu/min 910 0 0Energy input Btu/min 32245 25818 18937
Fuel consumption Btu/bhp-hr 6856 7351 8057
Efficiencymechanical % 37,0 34,8 31,5thermal % 46,4 49,1 52,3total % 83,4 89.2 89.3
Mass flowsCombustion air lb/hr 2467 1839 1221Fuel lb/hr 90 73 53Exhaust gas mass flow rate, wet lb/hr 2557 1911 1274
TemperaturesExhaust gas temperature °F 977 986 1004
Emissions at 100 % load (Correlation 15 % O2)NOX g/bhp-hr < 1,0
ppm < 91CO g/bhp-hr < 1,5
ppm < 180NMHC g/bhp-hr < 0,2
ppm < 36
Engine surface noise dB ( A ) 106,2Exhaust sound power level dB ( A ) 140,0
Reference gas mixing unit: RMG 985a-100/90 and ignition system Woodward IC 100
The technical data are based on natural gas with a calorific value of 970 Btu/cu ft and a methane no. > 80The technical data indicated is based on standard conditions acc to DIN ISO 3046-1Standard conditions: Atmospheric pressure: 14,5 psi or 328 ft above sea level
Air temperature 77 °FRelative air humidity 30 %
Rating adaptation at ambient conditions acc to DIN ISO 3046-1The tolerance for the specific fuel consumption is + 5 % at rated outputThe tolerance for the usable heat is 7 % at rated outputThe coolant data are based on a 40 % portion of antifreeze
60 HzENGLISH
122 °F
Natural Gas Engine E 2876 LE 302
Resistance Curve of Engine
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Natural Gas Engine E 2876 LE 302
Resistance Curve of Engine
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Natural Gas Engine E 2876 LE 302
Resistance Curve of HT Mixture Cooling
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Natural Gas Engine E 2876 LE 302
Resistance Curve of HT Mixture Cooling
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Natural Gas Engine E 2876 LE 302
Resistance Curve of LT Mixture Cooling
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Natural Gas Engine E 2876 LE 302
Resistance Curve of LT Mixture Cooling
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