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Improvements of Model Scramjet Engine Performance and Ground Test  

Kang, Sang-Hun (한국항공우주연구원 추진기관팀)
Lee, Yang-Ji (한국항공우주연구원 추진기관팀)
Yang, Soo-Seok (한국항공우주연구원 추진기관팀)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.14, no.2, 2010 , pp. 10-18 More about this Journal
Abstract
Scramjet engine is one of the core parts of hypersonic vehicle of next generation and being investigated by many countries. Korea Aerospace Research Institute performed a ground test of the model scramjet engine S1 in 2007. And, S2 model which is improved from S1 model in engine startability and thrust was tested with HIEST (High Enthalpy Shock Tunnel) at Kakuda Space Center of JAXA. Design condition of S2 model was Mach 6.7, however, it was tested at Mach 7.7 as an off-design condition test. As a test result, flow separation was found at the inside of the intake, but the engine showed stable combustion pressure distribution. Furthermore, compared to other test models, S2 model showed a good performance value in thrust and specific impulse.
Keywords
Scramjet engine; Supersonic combustion; Shock Tunnel; Engine startability;
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Times Cited By KSCI : 1  (Citation Analysis)
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