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A Study on Performance Characteristics of a Small-size Two Stroke Engine by Hydrogen Injection Strategy
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수소 연료 분사 전략에 따른 소형 2행정 엔진의 성능 특성에 관한 연구

논문 기본 정보

Type
Proceeding
Author
Junho Oh (전북대학교) Yongrae Kim (한국기계연구원) Seonyeob Kim (한국기계연구원) Jisun Choi (한국기계연구원) Cheolwoong Park (한국기계연구원) Young Choi (한국기계연구원)
Journal
The Korean Institute of Gas 한국가스학회 학술대회논문집 2021년도 한국가스학회 봄 학술대회 논문집 [초록집]
Published
2021.5
Pages
152 - 152 (1page)

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A Study on Performance Characteristics of a Small-size Two Stroke Engine by Hydrogen Injection Strategy
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모빌리티 산업의 전환으로 인해 드론을 비롯한 무인 항공기가 주목을 받고 있는 가운데 리튬-이온 배터리의 낮은 에너지 밀도는 장기 체공용 무인 항공기 개발의 제한 요인으로 작용하고 있다. 이를 해결하기 위해 높은 에너지 밀도(Energy Density)를 갖는 수소 연료를 적용하려는 연구가 활발하게 진행되고 있다. 특히 액체 수소의 경우 중량 대비 에너지 밀도 측면에서 전통적인 화석 연료보다도 높다는 장점이 있으므로 장거리 비행체의 전력원으로 사용하기에 적합하다. 대표적인 수소 활용 방식 인 연료전지(Fuel Cell)는 높은 가격으로 인해 보급형 무인 항공기에 적용하기가 어려우나, 기존의 엔진을 활용한 수소 연소 엔진의 경우 비교적 저렴한 가격으로도 우 수한 성능 구현이 가능하다. 그러나 수소 연료는 높은 반응성으로 인해 이상연소 (Abnormal Combustion)가 발생하여 연소 제어가 어렵다는 단점이 존재한다.
따라서 본 연구는 무인 항공기에 주로 사용되는 2행정 기반의 소형 전기점화(Spark Ignition) 엔진에 수소 연료를 적용해보았다. 기존 가솔린 엔진을 바 ... View All

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