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Information Journal Paper

Title

EXPERIMENTAL INVESTIGATION OF THE CHARACTERISTICS OF THE WAKE OF A ROTATING CIRCULAR CYLINDER AT DIFFERENT REYNOLDS NUMBERS AND SPEED RATIOS

Pages

  51-64

Abstract

 In this study, the characteristics of the wake around a ROTATING CIRCULAR CYLINDER have been investigated experimentally. To this end, a cylinder with a circular cross-section of Plexiglas with the length of 400 mm and a diameter of 20 mm have been tested in the WIND TUNNEL. Using existing methods, the characteristics of the wake and the DRAG COEFFICIENTs of the model in different cases have been investigated. In order to measure mean velocity profile and turbulence intensity, hot-wire anemometry has been used. The experiments carried out on the rotating cylinder indicates that the rotation of the cylinder causes significant changes in mean velocity profile. The rotation of the cylinder causes increase in the velocity in the vortex and decrease in the velocity of the wake. The variations become more and more by increase in rotational speed. Also, the results show that by increasing the rotation speed, the turbulence intensity in the wake increases. It is found that by increasing the rotational speed, the parameters of DRAG COEFFICIENT and velocity defect reduce.

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    APA: Copy

    IZADI YAZDI, M.J., & BAK KHOSHNEVIS, A.A.. (2015). EXPERIMENTAL INVESTIGATION OF THE CHARACTERISTICS OF THE WAKE OF A ROTATING CIRCULAR CYLINDER AT DIFFERENT REYNOLDS NUMBERS AND SPEED RATIOS. FLUID MECHANICS AND AERODYNAMICS JOURNAL, 4(1 (15)), 51-64. SID. https://sid.ir/paper/245499/en

    Vancouver: Copy

    IZADI YAZDI M.J., BAK KHOSHNEVIS A.A.. EXPERIMENTAL INVESTIGATION OF THE CHARACTERISTICS OF THE WAKE OF A ROTATING CIRCULAR CYLINDER AT DIFFERENT REYNOLDS NUMBERS AND SPEED RATIOS. FLUID MECHANICS AND AERODYNAMICS JOURNAL[Internet]. 2015;4(1 (15)):51-64. Available from: https://sid.ir/paper/245499/en

    IEEE: Copy

    M.J. IZADI YAZDI, and A.A. BAK KHOSHNEVIS, “EXPERIMENTAL INVESTIGATION OF THE CHARACTERISTICS OF THE WAKE OF A ROTATING CIRCULAR CYLINDER AT DIFFERENT REYNOLDS NUMBERS AND SPEED RATIOS,” FLUID MECHANICS AND AERODYNAMICS JOURNAL, vol. 4, no. 1 (15), pp. 51–64, 2015, [Online]. Available: https://sid.ir/paper/245499/en

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