Abstract
[Abstract] In Japan Aerospace Exploration Agency (JAXA) the building program of a large-sized high enthalpy shock tunnel started for the purpose of reproducing atmospheric reentry flow on the ground in early 1990s when HOPE project was intensively running. The high enthalpy shock tunnel named as HIEST was completed at the end of the 1997 fiscal year in JAXA Kakuda space center which was positive also to use to a Scramjet engine test. The present paper reports selected topics from the aerothermodynamic and Scramjet tests using HIEST, such as the nonequilibrium aerodynamic of HOPE, the surface catalytic effect on aerodynamic heating and the scramjet performance over Mach 10 condition.
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