This content is not included in your SAE MOBILUS subscription, or you are not logged in.
Basic study of combustion characteristics of a dual fuel gas diesel engine by using a multi-dimensional model combined with detailed chemical kinetics
Published October 23, 2001 by Society of Automotive Engineers of Japan in Japan
Event: JSAE Autumn Conference
This paper describes improvement of thermal efficiency of a dual diesel engine fueled with natural gas and pilot diesel at partial load. This dual fuel operation on gas mixer yields high thermal efficiency at higher loads, however, suffered from higher THC emission and lower thermal efficiency by higher unburned fuel at lower loads. This is due to lean natural gas in the intake charge. This fewer cylinders operating to make rich natural gas in the premix charge of per one cylinder is carried out. As a result, at fewer cylinder operating, dual fuel combustion and THC emissions are improved, however it makes higher NOx emissions.