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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2014.12
- 수록면
- 59 - 63 (5page)
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초록· 키워드
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Object of this study is to see whether the arc-groove on a D-shape bluff body effects the drag reduction or not. To this end, the changes of the boundary layer on the surface of the object, the downstream flow field and wake flow were found by experiments. The experiments are conducted by changing number and depth of the groove, angle of the first groove and Reynolds number(Re). Groove did not effect on the surface in the downstream boundary layer of the object and was minimal impact on the time mean velocity recovery of the wake flow. Also the effects of Groove did not have a significant impact on the structure of the wake and the wake frequency. Therefore it is found that the arc-groove of the drag reduction effect on the D-shape bluff body was smaller.
목차
ABSTRACT
1. 서론
2. 실험장치 및 방법
3. 실험 결과 및 고찰
4. 결론
References
참고문헌 (8)
참고문헌 신청
1. [학술지(정기간행물)] - Bearman, P. W. / 1972 / An Investigation of the Flow around Rectangular Cylinders / aeronautic 23 : 229 ~ 237
2. [학술지(정기간행물)] - Bearman, P. A / 1993 / Control of circular cylinder flow by the use of dimples / AIAA Journal 31 (10) : 1753 ~ 1756
4. [학술지(정기간행물)] - Takeyoshi, K. / 1991 / Fluid dynamic effects of grooves on circular cylinder surface / AIAA Journal 29 : 2062 ~ 2068
5. [학술지(정기간행물)] - Shinichi, T. / 2004 / Drag Reduction Mechanism of a Circular Cylinder by Arc Grooves / Transactions of JSME B 70 (697) : 2363 ~ 2370
6. [학술대회논문] - Robarge, T. W / 2004 / Design Considerations for Using Indented Surface Treatments to Control Boundary Layer Separation / 42nd AIAA Aerospace Sciences Meeting and Exhibit
2. [학술지(정기간행물)] - Bearman, P. A / 1993 / Control of circular cylinder flow by the use of dimples / AIAA Journal 31 (10) : 1753 ~ 1756
4. [학술지(정기간행물)] - Takeyoshi, K. / 1991 / Fluid dynamic effects of grooves on circular cylinder surface / AIAA Journal 29 : 2062 ~ 2068
5. [학술지(정기간행물)] - Shinichi, T. / 2004 / Drag Reduction Mechanism of a Circular Cylinder by Arc Grooves / Transactions of JSME B 70 (697) : 2363 ~ 2370
6. [학술대회논문] - Robarge, T. W / 2004 / Design Considerations for Using Indented Surface Treatments to Control Boundary Layer Separation / 42nd AIAA Aerospace Sciences Meeting and Exhibit
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UCI(KEPA) : I410-ECN-0101-2016-554-001036366