Experimental investigation on the cavity-based scramjet model |
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Authors: | HongBin Gu LiHong Chen XinYu Chang |
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Institution: | (1) Key Laboratory of High Temperature Gas Dynamics, Institute of Mechanics, Chinese Academy of Sciences, Beijing, 100190, China |
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Abstract: | The present work focused on improving the engine performance with different fuel equivalence ratios and fuel injections. A
scramjet model with strut/cavity integrated configurations was tested under Mach 5.8 flows. The results showed that the strut
may sreve as an effective tool in a kerosene-fueled scramjet. The integration of strut/cavities also had great effect on stablizing
the combustion in a wide range of fuel equivalence ratio. The one-sdimensional analysis method was used to analyze the main
characteristics of the model. The two-stage fuel injection should have better performance in increasing the chemical reaction
rate in the first cavity region.
Supported by the National Natural Science Foundation of China (Grant Nos. 90305022, 10525212) |
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Keywords: | scramjet combustor cavity performance |
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