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RESEARCH PAPERS

Continued Development of a Coal/Water Slurry-Fired Slow-Speed Diesel Engine: A Review of Recent Test Results

[+] Author and Article Information
S. E. Nydick

Thermo Electron Corporation, Waltham, MA

F. Porchet, H. A. Steiger

Sulzer Brothers Limited, Winterthur, Switzerland

J. Eng. Gas Turbines Power 109(4), 465-476 (Oct 01, 1987) (12 pages) doi:10.1115/1.3240065 History: Received November 24, 1986; Online October 15, 2009

Abstract

The results of tests performed on a slow-speed, two-stroke single-cylinder diesel engine show that thermal efficiency is approximately the same when fired with coal/water slurry fuels and diesel oil and that exhaust pollutant emissions, most notably NOx , are lower with the coal/water slurry fuels. Engine wear, particularly at the piston ring/cylinder liner interface, is considerably greater than that which occurs with liquid fuels. However, it is concluded that by means of technological advances regarding piston ring/cylinder liner materials, new designs, and new concepts in lubrication, a reliable and economical coal/water slurry-fired slow-speed engine can be developed.

Copyright © 1987 by ASME
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