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.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2012.5
- 수록면
- 211 - 216 (6page)
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초록· 키워드
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In the present study, numerical investigations of unsteady flow field in a three-dimensional weapons bay have been conducted. The Weapons Internal Carriage Separation (WICS) cavity bay with a length-to-depth ratio of 4.5 was chosen for the cavity geometry. The Free-stream Mack number was 0.95 and the Reynolds number was 3.75×10<SUP>6</SUP>. The unsteady turbulent flow over a rectangular cavity was simulated using the k-ω Shear Stress Transport(SST) and the Detached Eddy Simulation(DES) based on unstructured meshes. The result of the SST-DES showed better agreement with the experiment at high frequency than that of the k-ω SST. It is shown that the unsteadiness inside the cavity was caused by detaching and reattaching processes of the shear layer, and the high frequency content was produced by the transversal fluctuation of the shear layer as a three-dimensional effect.
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UCI(KEPA) : I410-ECN-0101-2013-422-002848029