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비선형 해석을 통한 가스터빈엔진 디스크의 구조 건전성 평가
허재성(JaeSung Huh) 한국추진공학회 2012 한국추진공학회 학술대회논문집 Vol.2012 No.11
The essential requirements for engine operation are to minimize the total life cycle cost as well as to maintain flight safety and engine performance. They have introduced increasing turbine inlet temperature, higher compression rations, steam cooling for hot gas section components, and advanced high strength-high temperature materials. To improve thrust for the same weight under these severe conditions, the turbine disc should pursue the superior structural integrity. This research aims to evaluate the structural integrity using the structural-thermal coupled field analysis with material and geometry non-linearity. From the analysis results, the strength margin, stress rupture and LCF life are predicted and evaluated.
캠핑참여자의 참여 동기가 여가몰입과 심리적 행복감에 미치는 영향
전진욱 ( Jeon Jinwook ),허재성 ( Huh Jaesung ) 대한체육학회(구 한국유산소운동과학회) 2021 대한스포츠융합학회지 (jcses) Vol.19 No.1
The purpose of this study was to investigate the effect of motivation for participation of campers on leisure commitment and psychological enjoyment. 259 campers have had camped out in Gyeonggi-do and Chungcheongnam-do are surveyed for this study. The Authors used frequency analysis, factor analysis, reliability analysis, correlation analysis, multiple analysis to achieve the purpose of this study. First, motivation for participation of campers influence on leisure commitment. Second, motivation for participation of campers influence on psychological enjoyment. Third, leisure commitment of campers influence on psychological enjoyment.