인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
DBpia AI
AI 에이전트
AI 아이디어
AI 리더
AI 뷰어
Citeasy
크롬 서지관리 다운로드
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록·키워드
Experiments were carried out to study the flame liftoff height(FLH) and flame stabilization at the fuel-lean region in CH₄/Air premixed flames of a low-swirl combustor. The burner used in this study had a nozzle diameter of 28 mm, a combustion chamber with an expansion area ratio of 7.0, a swirler with a swirl angle of 37°, and a turbulence generator with a porosity of 28.7%. The experiments were performed for equivalence ratios ranging from 0.53 to 0.8 and inlet velocities from 2.3 to 4.6 m/s. The CH* chemiluminescence images were acquired using ICCD camera to measure the FLH. As a result, at the equivalent ratios ranging from 0.8 to 0.6, the FLH increased as the equivalence ratio decreased, which is reasonable as the laminar flame speed decreases along with the decreasing equivalence ratio. At equivalence ratios smaller than 0.6, however, the FLH was reduced despite the reduction in equivalent ratio. At the same equivalent ratio, the FLH decreased at elevated inlet velocities, which was again counterintuitive. According to the results with the absence of a chamber wall, the flame stabilization was observed to be highly dependent on the existence of the outer recirculation zone.
본문·목차
인공지능 문자 인식 모델을 통해 추출된 텍스트로, 일부 오타나 오류가 포함될 수 있으나 지속적으로 개선 중입니다.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
최근 본 자료 전체보기
UCI(KEPA) : I410-ECN-0101-2018-431-003597522
