초록

램제트 추진기술에 대한 최근 개발동향과 필요 주요기술을 분석하였다. 통합 부스터의 장점을 극대화하면서 부스터의 총역적을 다양하게 조정하는 기술, 램제트 연소실의 길이는 최소화하면서 화염을 안정시키는 기술, 비행 운용범위를 다양하도록 하는 가변노즐 기술, 장시간 작동을 가능하게 하는 열차폐 기술 등이 소개/분석되었다. 여러 나라에서 다양한 램제트 추진기술을 개발해왔으며, 원초적 기술은 어느 정도 성숙되었으며, 군사적 응용과 복합사이클을 사용하는 민수용으로의 적용이 확대되고 있는 추세이다. 보다 효과적으로 다양한 발사 프랫폼에 공통으로 적용 가능한 다용도 램제트 기술 개발을 위하여 최근에 여러 유도탄(미국의 JSSAM, 러시아의 Yakhont)들이 연구되었으며, 이는 기술 신뢰도 향상 및 개발경비 절감을 높일 수 있다는 기대로 도전적 연구가 진행되고 있다.

Abstract

A technical review of current ramjet propulsion is presented. In addition to summarize the current status of ramjet technology, new key techniques like Boosting technique easily adapting total impulse of booster, flame stabilization technique with minimized ramjet combuster length, variable nozzle-inner-surface technique realizing wide flight-envelop, and thermal protection technique for long operating time are identified. Actually various Ramjet propulsion technology has been matured and expanding to both military and combined cycle application. Yet many opportunities remain to be challenged by future generations of explorers to utilize s typical ramjet propulsion system for multi-purpose(multi-platform and multi-target) missiles, for example, American JSSCM and Russian Yakhont missiles, improving both reliability of techniques and downsizing development cost of new propulsion system.

주제어

#램제트   #덕티드로켓   #고속 공기흡입엔진  

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