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A Technical Review of Endothermic Fuel Use on High Speed Flight Cooling  

Kim, Joong-Yeon (고려대학교 화공생명공학과)
Park, Sun-Hee (고려대학교 화공생명공학과)
Chun, Byung-Hee (고려대학교 화공생명공학과)
Kim, Sung-Hyun (고려대학교 화공생명공학과)
Jeong, Byung-Hun (국방과학연구소 1기술연구본부 5부)
Han, Jeong-Sik (국방과학연구소 1기술연구본부 5부)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.14, no.2, 2010 , pp. 71-79 More about this Journal
Abstract
As hypersonic flight speeds and engines efficiencies increase, heat loads on an aircraft and it's engine increase. Because the temperature of the air flow is too high to cool the aircraft structure at hypersonic flight speeds, it is essential to use the aircraft fuel as the primary coolant. Endothermic fuels are liquid hydrocarbon aircraft fuels which are able to absorb the heat loads by undergoing endothermic reactions, such as thermal and catalytic cracking. The endothermic reactions are improved by catalysts which change the extent of reaction and product distribution. At high temperature, liquid hydrocarbons would lead to coke formation that can reduce the effectiveness of heat exchanger and cause rapid degradation of the catalyst, thus endothermic capacity of endothermic fuels is limited to the temperature at which coke doesn't form. In this study, the essential cooling technologies by applying endothermic fuels and the properties of the endothermic fuels are described.
Keywords
Heat load; Endothermic fuels; Endothermic reaction; Coke formation;
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Times Cited By KSCI : 1  (Citation Analysis)
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