Research on thermal protection mechanism of forward-facing cavity and opposing jet combinatorial thermal protection system |
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| Authors: | Hai-Bo Lu Wei-Qiang Liu |
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| Affiliation: | 1. Science and Technology on Scramjet Laboratory, College of Aerospace and Material Engineering, National University of Defense Technology, Changsha, 410073, Hunan, China
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| Abstract: | Validated by the correlated experiments, a nose-tip with forward-facing cavity/opposing jet/the combinatorial configuration of forward-facing cavity and opposing jet thermal protection system (TPS) are investigated numerically. The physical mechanism of these TPS is discussed, and the cooling efficiency of them is compared. The combinatorial system is more suitable to be the TPS for the high speed vehicles which need fly under various flow conditions with long-range and long time. |
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