http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
응집구조 추출기법을 이용한 전방 계단에서의 난류 소음 원인 분해
조문환(Munhwan Cho),배영민(Young Min Bae),문영준(Young J. Moom) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.11
The flow structures and acoustic sources are identified by coherent structure identification methods for the turbulent forward-facing step flow at Re<SUB>h</SUB>=8,000 [AIAA paper 2005-3006, S. Becker et al., 2005]. The identification methods like proper orthogonal decomposition (POD) and its complement method with others are applied to the turbulent flow and acoustic field, which are able to decompose the properties into each mode that has its own characteristics and energy level. These methods are not only to study the random fluctuated hydrodynamic and acoustic properties but also to extract the relation between the turbulent flow structures and the acoustic sources.