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- W2053172506 abstract "․ Soo Yong Lee**ABSTRACT Weight reduction of the VTHL / TSTO type of the reusable launch vehicles using RBCC engines are investigated. To predict weight and thrust of the vehicles, equ ations of motion are analyzed. Analysis results are compared with specifications of existing launch veh icles for validations. For the mission of inserting 2.5 ton payload to 200 km circular orbit, the case A, which uses the RBCC engine in the 1st stage shows smaller weight than the case B, which uses the RBCC engine in the 2nd stage. The weight of the case A shows only 25.8% of a existing rocket laun ch vehicle's weight.초 록 RBCC엔진을 적용한 VTHL(Vertical Take off and Horizontal Landing)/ TSTO(Two Stage To orbit) 방식의 재사용 발사체의 중량저감효과에 대해 연구하였다. 발사체의 중량과 추력을 예측하기 위해 발사체의 운동방정식을 해석하고 기존의 로켓발사체의 제원과 비교하여 검증하였다. 해석결과로부터, 2.5 ton의 탑제체를 고도 200 km 지구 원궤도에 투입하는 임무에 대해, RBCC엔진을 1단에 배치한 A형 발사체가 RBCC엔진을 2단에 배치한 B형 발사체보다 훨씬 적은 중량으로 동일한 임무를 수행할 수 있는 것으로 나타났다. 또한 A형 발사체는 동급의 탑재중량을 갖는 기존의 로켓발사체의 약 25.8%의 중량을 갖는 것으로 예측되었다.Key Words: Reusable Launch Vehicle(재사용발사체), Rocket Based Combined Cycle Engine(로켓복합사이클 엔진), Vertical Take off and Horizontal Landing(수직이륙/수평착륙), Two stage to Orbit(2단 발사형), Scramjet(스크램제트), Ramjet(램제트)" @default.
- W2053172506 created "2016-06-24" @default.
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- W2053172506 date "2013-06-01" @default.
- W2053172506 modified "2023-09-23" @default.
- W2053172506 title "Weight Reduction of the Reusable Launch Vehicles Using RBCC Engines" @default.
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- W2053172506 doi "https://doi.org/10.6108/kspe.2013.17.3.056" @default.
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