RESEARCH PAPERS: Gas Turbines: Aircraft

Aircraft Gas Turbine Emissions Challenge

[+] Author and Article Information
B. L. Koff

Pratt & Whitney, West Palm Beach, FL 33410

J. Eng. Gas Turbines Power 116(3), 474-477 (Jul 01, 1994) (4 pages) doi:10.1115/1.2906845 History: Received March 01, 1993; Online April 24, 2008


The new generation of jet powered aircraft faces a significant challenge to reduce pollutant emissions while increasing fuel efficiency. Carbon monoxide (CO) and unburned hydrocarbon (HC) emissions are already very low and continued control of these pollutants is expected as engine temperatures and pressure ratios are increased. In contrast, significant system design improvements are needed to reduce oxides of nitrogen (NOx ) emissions because of their harmful effect on the earth’s ozone layer. This paper discusses the prospects and technical approaches for significant NOx reductions in current and future subsonic and supersonic aircraft.

Copyright © 1994 by The American Society of Mechanical Engineers
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