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RESEARCH PAPERS: Gas Turbines: Combustion and Fuels

Degradation of a Jet A Fuel in a Single-Pass Heat Exchanger

[+] Author and Article Information
E. G. Jones, W. J. Balster, M. E. Post

Systems Research Laboratories, Inc., Dayton, OH 45440

J. Eng. Gas Turbines Power 117(1), 125-131 (Jan 01, 1995) (7 pages) doi:10.1115/1.2812760 History: Received March 17, 1993; Online November 19, 2007

Abstract

The formation of bulk and surface insolubles in a Jet A fuel during a single pass through heated stainless-steel tubes has been studied. Low temperature and low flow rates were utilized to produce near-isothermal conditions. In a second series of experiments, depletion of oxygen in the fuel saturated with respect to room-temperature air was measured under identical isothermal conditions. At a wall/bulk-fuel temperature of 185°C, rates of surface deposition and oxygen depletion were correlated; the maximum in the surface-deposition rate was found to occur after the Jet A fuel was stressed sufficiently that the dissolved oxygen was totally consumed. Results are discussed in terms of the autoxidation of the Jet A fuel and the concurrent production of deleterious bulk and surface insolubles.

Copyright © 1995 by The American Society of Mechanical Engineers
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