Influence of Ground and Ceiling Effect on High-Lift Device Using a Circular Cylinder with Tangential Blowing
The present paper describes the influence of ground and ceiling effect on high-lift device using a circular cylinder with tangential blowing. The experiments and numerical simulations were performed under the condition of Re = 2.7× 104. In the experiments, the test, such as the time-mean surface pre...
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| Veröffentlicht in: | JOURNAL OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES 2008, Vol.56(656), pp.425-432 |
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| container_title | JOURNAL OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES |
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| creator | OKAYASU, Shimpei ARAKAWA, Yosuke SATO, Kotaro SHAKOUCHI, Toshihiko FURUYA, Okitsugu |
| description | The present paper describes the influence of ground and ceiling effect on high-lift device using a circular cylinder with tangential blowing. The experiments and numerical simulations were performed under the condition of Re = 2.7× 104. In the experiments, the test, such as the time-mean surface pressure measurements on the cylinder and flow visualizations were carried out for various momentum coefficients and clearances between the cylinder and the ground (or ceiling). In the numerical simulation, a commercially available computer code, SCRYU/Tetra, was used. Qualitative agreements between the experimental and numerical results were obtained with respect to the flow fields and the lift characteristics. The experimental and numerical results show that ground effect can enhance lift-drag ratio except stalling region, and that ceiling effect can not enhance lift-drag ratio. |
| doi_str_mv | 10.2322/jjsass.56.425 |
| format | Article |
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The experiments and numerical simulations were performed under the condition of Re = 2.7× 104. In the experiments, the test, such as the time-mean surface pressure measurements on the cylinder and flow visualizations were carried out for various momentum coefficients and clearances between the cylinder and the ground (or ceiling). In the numerical simulation, a commercially available computer code, SCRYU/Tetra, was used. Qualitative agreements between the experimental and numerical results were obtained with respect to the flow fields and the lift characteristics. 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| ispartof | JOURNAL OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, 2008, Vol.56(656), pp.425-432 |
| issn | 1344-6460 2432-3691 |
| language | jpn |
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| source | EZB Electronic Journals Library |
| subjects | Aerodynamic Characteristics Ceiling Effect Ceilings Circular cylinders Computer simulation Cylinders Devices Ground Effect Grounds High-Lift Device Mathematical models Tangential Blowing |
| title | Influence of Ground and Ceiling Effect on High-Lift Device Using a Circular Cylinder with Tangential Blowing |
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