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    https://www.riss.kr/link?id=A102750744

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    다국어 초록 (Multilingual Abstract) kakao i 다국어 번역

    In the present study, an attached splitter plate is used as a passive control device to modify the flow over a circular cylinder at Re = 140,000 based on the cylinder diameter and free-stream velocity. The length of the splitter plate (Ɩ/d) varies from 0.5 to 3.0. Vortical structures in the wake region is highly modified due to the attached splitter plate. As the splitter plate is elongated, Strouhal number is decreased except 0.5<Ɩ/d<1.0 and drag is decreased. The lift fluctuations in time for Ɩ/d=2 show a quasi-periodic motion whose period is much larger than the Kármán vortex shedding period. This behavior is closely related to the flapping of shed vortex interacting with the splitter plate, and increases large rms lift fluctuations.
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    In the present study, an attached splitter plate is used as a passive control device to modify the flow over a circular cylinder at Re = 140,000 based on the cylinder diameter and free-stream velocity. The length of the splitter plate (Ɩ/d) varies fr...

    In the present study, an attached splitter plate is used as a passive control device to modify the flow over a circular cylinder at Re = 140,000 based on the cylinder diameter and free-stream velocity. The length of the splitter plate (Ɩ/d) varies from 0.5 to 3.0. Vortical structures in the wake region is highly modified due to the attached splitter plate. As the splitter plate is elongated, Strouhal number is decreased except 0.5<Ɩ/d<1.0 and drag is decreased. The lift fluctuations in time for Ɩ/d=2 show a quasi-periodic motion whose period is much larger than the Kármán vortex shedding period. This behavior is closely related to the flapping of shed vortex interacting with the splitter plate, and increases large rms lift fluctuations.

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    목차 (Table of Contents)

    • Abstract
    • 1. 서론
    • 2. 수치 해석 기법
    • 3. 결과
    • 4. 결론
    • Abstract
    • 1. 서론
    • 2. 수치 해석 기법
    • 3. 결과
    • 4. 결론
    • 참고문헌
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