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논문 기본 정보

저자정보
(Andong National University) (Andong National University)
저널정보
한국추진공학회 한국추진공학회 학술대회논문집 한국추진공학회 2015년도 제44회 춘계학술대회 논문집
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    초록·키워드

    As one of the most promising propulsive systems in the future, the scramjet engine has drawn the attention of many researches. Detailed flow features concerned with the isolator play an important role in the scramjet system. The 2D numerical method has been used for the inlet-isolator with wind tunnel. In order to validate the ability of the numerical model, numerical results are compared with the experimental results. Overall pressure distributions show quite good match with the experimental results. Different back pressures have been researched for maximum pressure rising. According to the results, pressure profiles of inlet section are exactly the same in different back pressures, and the shock train is pushed toward the isolator entrance as the back pressure increases. The maximum back pressure without inlet unstart goes up rapidly and then keep constant when the isolator length increases. The optimal isolator length (L/H<SUB>th</SUB>) is 8.7 in this model.

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      UCI(KEPA) : I410-ECN-0101-2016-572-001520278