(HD Diesel) Engine Technologies for the Future Dr. John C Dr C. Wall Vice President - Chief Technical Officer Cummins Inc. University of Wisconsin ERC...
(HD Diesel) Engine Technologies for the Future Dr. John C Dr C. Wall Vice President - Chief Technical Officer Cummins Inc. University of Wisconsin ERC Symposium June 8, 2011
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2
6/7/2011
Cummins Confidential
Cummins Engines 109 to 3,500 HP 3 500HP 3,500HP
109 HP
TM
Cummins Engines 109 to 3,500 HP 3 500HP 3,500HP
109 HP
TM
“Fuel Economy” isn’t “BSFC” and it isn’tt at a “point” isn point - Duty Cycle Matters Average Fuel Rate （Gallon/h）:
9.04
1710 1620
Engine Performance Curve
1530
2.29
10.12
0.27
0.03
0.16
2.70
0.08
0.50
1440
0.00
0.04
0.10
0.50
3.09
0.14
0.24
1350
0.02
0.01
0.06
0.37
3.50
0.02
0.05
1260
Engine Torque ( ft-lb)
0.26
0.00
1170 1080 990
0.01
900
0.00
0.01
0.01
0.00
0.00
720
0.00
630
0.22
0.45
0.00
0.00
0.06
0.46
3.90
0.05
0.07
0.04
0.27
0.07
0.02
0.00
0.00
0.05
0.47
5.14
0.04
0.08
0.04
0.01
0.11
0.03
0.01
0.06
0.50
4.63
0.04
0.04
0.04
0.04
0.01
0.01
0.01
0.05
0.47
7.65
0.03
0.03
0.01
0.01
0.02
0.00
0.00
0.07
0.40
10.24
0.04
0.01
0.03
0.02
0.03
0.01
0.07
0.47
8.63
0.07
0.05
0.04
0.02
0.02
0.01
0.01
0.06
0.34
8.82
0.07
0.03
0.02
0.03
0.02
0.01
0.01
0.05
0.29
5.87
0.03
0.02
0.02
0.00
0.00
810
0.42
0.00
0.00
0.00
0.00
0.00
0.01
0.00 0.01
0.01
0.01
0.05
0.24
3.79
0.11 0.08
0.02
0.03
0.03
450
0.00
0.02
0.00
0.00
0.01
0.00
0.04
0.27
2.28
0.03
0.02
0.02
0.03
0.02
360
0.00
0.02
0.01
0.01
0.01
0.01
0.02
0.18
1.56
0.05
0.01
0.02
0.02
0.01
270
0.00
0.02
0.00
0.02
0.02
0.01
0.02
0.14
1.17
0.03
0.01
0.01
0.00
180
0.00
0.01
540
0.01
0.00
0.00
0.03
0.01
0.01
0.01
0.02
0.03
0.12
0.77
0.04
0.01
0.01
0.01
90
0.82
0.08
0.03
0.03
0.03
0.05
0.10
0.58
0.06
0.02
0.02
0.02
0.00
0.00
0
0.02 700
0.02 800
0.00 900
0.00 1000
0.01 1100
0.01 1200
0.03 1300
0.18 1400
0.08 1500
0.00 1600
0.01 1700
0.01 1800
0.00 1900
2000
500
600
Engine Speed (RPM)
Line Haul
School Bus
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Ultra-Low Emission HD Diesels It’s It s ALL about Technology Integration Air Handling & EGR
Combustion Aftertreatment
Electronic Controls Fuel Systems
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Evolution of HD Diesel Technology
Selective Catalytic Reduction 15 ppm S
Diesel Particulate Filter
Cooled Exhaust Gas Recirculation 500 ppm S
Electronic Fuel Systems
Aft Aftercooling li 7
1990 6/7/2011
2000 2010 Cummins Confidential
2020
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Evolution of HD Diesel Technology 98% Reduction in NOx and Particulate Selective Catalytic Reduction 15 ppm S
