The Effect of Engine, Axle and Transmission Lubricant, and Operating Conditions on Heavy Duty Diesel Fuel Economy: Part 2: Predictions

2011 ◽  
Vol 5 (1) ◽  
pp. 488-495 ◽  
Author(s):  
Robert Taylor ◽  
K. Selby ◽  
R. Herrera ◽  
D. A. Green
Keyword(s):  
Diesel Fuel ◽  
Fuel Economy ◽  
Operating Conditions ◽  
Heavy Duty ◽  
Heavy Duty Diesel ◽  
Transmission Lubricant

Effects of PuriNOx™ Water-Diesel Fuel Emulsions on Emissions and Fuel Economy in a Heavy-Duty Diesel Engine

2002 ◽  
Author(s):  
Andrew C. Matheaus ◽  
Thomas W. Ryan ◽  
Dan Daly ◽  
Deborah A. Langer ◽  
Mark P. B. Musculus
Keyword(s):  
Diesel Engine ◽  
Diesel Fuel ◽  
Fuel Economy ◽  
Heavy Duty ◽  
Heavy Duty Diesel Engine ◽  
Heavy Duty Diesel

A New Validation of Spray Penetration Models for Modern Heavy Duty Diesel Fuel Injectors

2017 ◽  
Author(s):  
Russell P. Fitzgerald ◽  
Christopher Gehrke ◽  
Kenth Svensson ◽  
Glen Martin
Keyword(s):  
Diesel Fuel ◽  
Heavy Duty ◽  
Spray Penetration ◽  
Fuel Injectors ◽  
Heavy Duty Diesel

Lean-Burn Characteristics of a Heavy-Duty Diesel Engine Retrofitted to Natural Gas Spark Ignition

2018 ◽  
Author(s):  
Jinlong Liu ◽  
Cosmin E. Dumitrescu
Keyword(s):  
Natural Gas ◽  
Combustion Chamber ◽  
Spark Ignition ◽  
Operating Conditions ◽  
Combustion Stability ◽  
Fuel Injector ◽  
Heavy Duty ◽  
Lean Burn ◽  
Spark Timing ◽  
Heavy Duty Diesel

Increased utilization of natural-gas (NG) in the transportation sector can decrease the use of petroleum-based fuels and reduce greenhouse-gas emissions. Heavy-duty diesel engines retrofitted to NG spark ignition (SI) can achieve higher efficiencies and low NOx, CO, and HC emissions when operated under lean-burn conditions. To investigate the SI lean-burn combustion phenomena in a bowl-in-piston combustion chamber, a conventional heavy-duty direct-injection CI engine was converted to SI operation by replacing the fuel injector with a spark plug and by fumigating NG in the intake manifold. Steady-state engine experiments and numerical simulations were performed at several operating conditions that changed spark timing, engine speed, and mixture equivalence ratio. Results suggested a two-zone NG combustion inside the diesel-like combustion chamber. More frequent and significant late burn (including double-peak heat release rate) was observed for advanced spark timing. This was due to the chamber geometry affecting the local flame speed, which resulted in a faster and thicker flame in the bowl but a slower and thinner flame in the squish volume. Good combustion stability (COVIMEP < 3 %), moderate rate of pressure rise, and lack of knocking showed promise for heavy-duty CI engines converted to NG SI operation.

The Development of a “Pin-on-Twin” Scuffing Test to Evaluate Materials for Heavy-Duty Diesel Fuel Injectors

2007 ◽  
Vol 50 (1) ◽  
pp. 50-57 ◽  
Author(s):  
Jun Qu ◽  
John J. Truhan ◽  
Peter J. Blau ◽  
Ronald Ott
Keyword(s):  
Diesel Fuel ◽  
Heavy Duty ◽  
Fuel Injectors ◽  
Heavy Duty Diesel

Speciation of Heavy Duty Diesel Exhaust Emissions under Steady State Operating Conditions

1996 ◽  
Author(s):  
Mridul Gautam ◽  
Deepak Gupta ◽  
Laila EI-Gazzar ◽  
Donald W. Lyons ◽  
Sriram Popuri
Keyword(s):  
Steady State ◽  
Diesel Exhaust ◽  
Exhaust Emissions ◽  
Operating Conditions ◽  
Heavy Duty ◽  
Heavy Duty Diesel
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