The intermittent characteristics of fluid particle accelerations near the wall are investigated with the<br/> higher-order statistics and the probability density functions (PDF) by using a direct numerical simulation of<br/> turbulent chan...
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https://www.riss.kr/link?id=A75897131
2003
Korean
550
학술저널
1801-1805(5쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
The intermittent characteristics of fluid particle accelerations near the wall are investigated with the<br/> higher-order statistics and the probability density functions (PDF) by using a direct numerical simulation of<br/> turbulent chan...
The intermittent characteristics of fluid particle accelerations near the wall are investigated with the<br/>
higher-order statistics and the probability density functions (PDF) by using a direct numerical simulation of<br/>
turbulent channel flow. Also, the behaviors of acceleration associated with the coherent structures are<br/>
discussed. The flatness factor of wall-normal acceleration is extremely high near the wall and it exceeds the<br/>
previously reported value obtained in isotropic turbulence. The presence of the wall seems to make the<br/>
accelerations more intermittent and the associated mechanism is explained with the PDFs. The skewness<br/>
factor of wall-normal acceleration indicates that accelerations are associated with the streamwise vortices.
목차 (Table of Contents)
적층 방법에 따른 복합재의 저온 영역 하에서 정적 강도 변화
핵융합로용 저방사화 철강재료(JLF-1)의 강도와 파괴인성
다공성 알루미늄 합금이 충진된 스테인레스 강 원통 Shell의 제조 및 굽힘거동