Progress on the Investigation of Coal-Water Slurry Fuel Combustion in a Medium Speed Diesel Engine: Part 1—Ignition Studies

[+] Author and Article Information
B. D. Hsu

Transportation Systems, General Electric Company, Erie, PA 16531

J. Eng. Gas Turbines Power 110(3), 415-422 (Jul 01, 1988) (8 pages) doi:10.1115/1.3240137 History: Received July 21, 1987; Online October 15, 2009


A micronized de-ashed coal-water slurry (CWS) fuel of approximately 50 percent coal loading has been successfully ignited and burned in one GE 7FDL engine cylinder at 1050 rpm. For this study, only about 1/3 of the full load fuel engery was supplied due to limitations of the fuel injection equipment used. Three types of ignition methods have been investigated: compression ignition with no ignition aid; separate diesel pilot fuel injection to ignite the CWS fuel; combined CWS and pilot diesel fuel injection (stratified pilot ignition). Conditions of ignition and the burning characteristics that immediately followed using the above three ignition methods are described.

Copyright © 1988 by ASME
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