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Journal of Propulsion Technology. 2014, (10) Core

Experiment Scheme Research on Afterbody Nozzle Plume Interferenece of Air-Breathing Hypersonic Vehicle Fly ConditionChinese Full Text

HE Xu-zhao;QIN Si;ZENG Xue-jun;ZHOU Kai;Science and Technology on Scramjet Laboratory/Hypervelocity Aerodynamics Institute,China Aerodynamincs Research and Development Center;Air-Breathing Hypersonic Technology research Center ,China Aerodynamincs Research and Development Center;

Abstract: The accurate simulation of afterbody nozzle plume interference is not only very important to predict the aerodynamic force of the large scale integrated vehicle,but also crucial to understand the mechanisms of the afterbody nozzle plume interference. Researches about the experiment scheme of plume interfere have been carried out based on similarity theory. The simulation of specific heat ratio of the hot plume of the scramjet outlet has been put forward by using the mixture gases of CF4 and air. The numerical simulation and validation have been accomplished for the afterbody flow disturbance problem of air-breathing hypersonic vehicle. By using numerical simulation software,numerical modeling for afterbody nozzle plume interference have been studied under flight condition and wind tunnel condition. According to the result of numerical simulation,this afterbody nozzle plume interference experiment scheme for the outflow of similar parameter in simulation is feasible.
Keywords：

Hypersonic; Plume interfere; Similar parameter; Experiment scheme;

  • DOI：

    10.13675/j.cnki.tjjs.2014.10.003

  • Series：

  • Subject：

  • Classification Code：

    V235.21

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