Cooper-Bessemer Coal-Fueled Engine System—Progress Report

[+] Author and Article Information
A. K. Rao

Cooper-Bessemer Reciprocating, Grove City, PA

R. P. Wilson, E. N. Balles, R. A. Mayville

Arthur D. Little, Inc., Cambridge, MA 02140

M. H. McMillian

Morgantown Energy Technology Center, Morgantown, WV 26505

J. A. Kimberley

Ambac International, Inc., Springfield, MA

J. Eng. Gas Turbines Power 111(3), 498-506 (Jul 01, 1989) (9 pages) doi:10.1115/1.3240281 History: Received August 01, 1988; Online October 15, 2009


Single-cylinder engine tests were conducted as part of a long-range effort to develop a technology base for coal-fueled stationary modular power plants based on the Cooper-Bessemer LS Series four-stroke diesel engine. These engine test results established the new state of development for this technology as well as setting priorities for the remaining R&D effort on specific components. The current outlook on the overall economics of coal diesel power is presented, indicating that CWS processing cost dominates the question of economic feasibility. A description of the coal-tolerant fuel injection system development is also given. Wear results indicate that nozzle erosion is the critical element in extending the duration of continuous engine operation. Substantial nozzle wear was observed in just two hours of CWS operation. The ash content of the coal was found to affect the wear rate of the ring set as well as the nozzle tip. Combustion results indicate that the natural gas jet cell is a viable ignition aid and that the variable area poppet nozzle, which lends itself to the use of durable coatings, provides satisfactory engine performance.

Copyright © 1989 by ASME
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