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| Investigation of heat sink of endothermic hydrocarbon fuels* |
| GUO Yong-sheng, LIN Rui-sen |
| Department of Chemistry, Zhejiang University, Hangzhou 310027, China |
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Abstract Endothermic hydrocarbon fuels are advanced coolants for high-temperature structures of spacecraft. No data of tested-cooling-ability of endothermic fuels have been broadly discussed in literature. In this work a high-temperature flow calorimeter was designed, and the cooling capacity of six different hydrocarbon fuels were measured. Experimental results showed that these hydrocarbon fuels have capacity for cooling high-temperature structures, and that the cooling capacity of fuel N-1 can reach 3.15 MJ/kg, which can nearly satisfy the requirement of thermal management for a Mach 3 cruise aircraft, whose heat sink requirement is about 3.5 MJ/kg. The endothermic velocity of hydrocarbon fuels was also measured by the calorimeter.
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Received: 25 January 2005
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