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John C. Hedrick
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Proceedings Papers

Partial Flow DPF System for Large Bore or High Power Applications

John C. Hedrick, Steven G. Fritz
Proc. ASME. ICEF2014, Volume 1: Large Bore Engines; Fuels; Advanced Combustion; Emissions Control Systems, V001T01A004, October 19–22, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2014-5493
https://doi.org/10.1115/ICEF2014-5493
View Paper titled, Partial Flow DPF System for Large Bore or High Power Applications
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Topics: Flow (Dynamics), Cycles, Exhaust systems, Locomotives, Engines, Valves, Diesel, Diesel engines, Emissions, Environmental Protection Agency
Proceedings Papers

Development of a Low Emissions Upgrade Kit for EMD GP20D and GP15D Locomotives

Steven G. Fritz, John C. Hedrick, Tom Weidemann
Proc. ASME. ICEF2012, ASME 2012 Internal Combustion Engine Division Fall Technical Conference, 77-82, September 23–26, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2012-92128
https://doi.org/10.1115/ICEF2012-92128
View Paper titled, Development of a Low Emissions Upgrade Kit for EMD GP20D and GP15D Locomotives
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Topics: Emissions, Locomotives, Diesel, Engines, Air pollution control, Catalysts, Exhaust systems, Filters, Filtration, Fuels
Proceedings Papers

NOx and Fuel Economy Challenges With EMD Two-Stroke Engines: Variable Injection and Valve Timing

Michael B. Riley, John C. Hedrick
Proc. ASME. ICEF2009, ASME 2009 Internal Combustion Engine Division Fall Technical Conference, 9-17, September 27–30, 2009
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2009-14024
https://doi.org/10.1115/ICEF2009-14024
View Paper titled, NOx and Fuel Economy Challenges With EMD Two-Stroke Engines: Variable Injection and Valve Timing
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Topics: Corporate average fuel economy, Fuel efficiency, Nitrogen oxides, Two-stroke engines, Valves, Engines, Diesel engines, Emissions, Computer simulation, Cylinders
Proceedings Papers

Locomotive Idle and Start-Up Exhaust Emissions Testing

John C. Hedrick, Steven G. Fritz
Proc. ASME. ICES2008, ASME 2008 Internal Combustion Engine Division Spring Technical Conference, 385-394, April 27–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: ICES2008-1627
https://doi.org/10.1115/ICES2008-1627
View Paper titled, Locomotive Idle and Start-Up Exhaust Emissions Testing
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Topics: Emissions, Exhaust systems, Locomotives, Testing, Engines, Computers, Cycles, Nitrogen oxides
Proceedings Papers

Experimental Application of Diesel Particulate Filters to EMD Switcher Locomotives

John C. Hedrick, Don Newburry, Steven G. Fritz, Brian Smith
Proc. ASME. ICEF2007, ASME 2007 Internal Combustion Engine Division Fall Technical Conference, 415-421, October 14–17, 2007
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2007-1626
https://doi.org/10.1115/ICEF2007-1626
View Paper titled, Experimental Application of Diesel Particulate Filters to EMD Switcher Locomotives
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Topics: Diesel, Filters, Locomotives, Particulate matter, Emissions, Cycles, Diesel engines, Engines, Environmental Protection Agency, Exhaust systems
Proceedings Papers

Exhaust Emissions From a 1,500 kW EMD 16-645-E Locomotive Diesel Engine Using Several Ultra-Low Sulfur Diesel Fuels

Steven G. Fritz, John C. Hedrick, Brian E. Smith
Proc. ASME. ICEF2005, ASME 2005 Internal Combustion Engine Division Fall Technical Conference (ICEF2005), 37-46, September 11–14, 2005
Publisher: American Society of Mechanical Engineers
Paper No: ICEF2005-1228
https://doi.org/10.1115/ICEF2005-1228
View Paper titled, Exhaust Emissions From a 1,500 kW EMD 16-645-E Locomotive Diesel Engine Using Several Ultra-Low Sulfur Diesel Fuels
Open the PDF for Exhaust Emissions From a 1,500 kW EMD 16-645-E Locomotive Diesel Engine Using Several Ultra-Low Sulfur Diesel Fuels in another window
Topics: Diesel, Diesel engines, Emissions, Exhaust systems, Fuels, Locomotives, Sulfur
Proceedings Papers

Effect of Blower and Injector Cutout on Performance and Emissions of an EMD 16-645E Engine

John C. Hedrick, Steven G. Fritz, Ted E. Stewart
Proc. ASME. ICES2006, ASME 2006 Internal Combustion Engine Division Spring Technical Conference (ICES2006), 9-13, May 7–10, 2006
Publisher: American Society of Mechanical Engineers
Paper No: ICES2006-1309
https://doi.org/10.1115/ICES2006-1309
View Paper titled, Effect of Blower and Injector Cutout on Performance and Emissions of an EMD 16-645E Engine
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Topics: Ejectors, Emissions, Engines, Exhaust systems, Locomotives, Stress