Volume 21 Issue 2
Apr.  2006
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SUN Bing, ZHENG li-ming. Research of Scramjet Strut Thermal Environment and Thermal Protection Scheme[J]. Journal of Aerospace Power, 2006, 21(2): 336-341.
Citation: SUN Bing, ZHENG li-ming. Research of Scramjet Strut Thermal Environment and Thermal Protection Scheme[J]. Journal of Aerospace Power, 2006, 21(2): 336-341.
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Research of Scramjet Strut Thermal Environment and Thermal Protection Scheme

  • School of Astronautics, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

  • Received Date: 2005-05-17
  • Rev Recd Date: 2005-10-13
  • Publish Date: 2006-04-28
    Abstract
  • The thermal environment of the scramjet strut leading edge is rigorous.In this paper,the thermal environment was studied,and the heat load distribution was obtained.Based on the thermal environment,three thermal protection schemes were put forward,i.e.regeneration cooling scheme,C/SiC thermal protection scheme and gas jet thermal protection scheme.Numerical simulation was employed to obtain the thermal protection effectiveness of these three schemes.The results show that the regeneration cooling scheme can’t protect strut leading edge from destruction;C/SiC thermal protection scheme works well up to flight mach number not exceeding 8,and only gas jet thermal protection scheme can protect strut leading edge from destruction up to Mach 8 and higher.

     

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