Hydrodynamic performance improvement on small horizontal axis current turbine blade using different tube slots configurations |
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| Institution: | 1. CFD Engineering Research Center, Sogang University, Sinsoo, Mapo, Seoul 121-742, Republic of Korea;2. Department of Aerospace Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran 4399-55941, Iran;3. Department of Mechanical Engineering, Sogang University, Sinsoo, Mapo, Seoul 121-742, Republic of Korea;1. Department of Mechanical Engineering, Shiv Kumar Singh Institute of Technology and Science, Indore, India;2. Department of Mechanical Engineering, VNR VJIET, Hyderabad, India |
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| Abstract: | Vortex generators are used extensively as a passive flow control devices to delay or remove the boundary layer separation, which affects the hydrodynamic performance of the hydrofoil. In this paper, a new approach is introduced to overcome the boundary layer separation on the NACA S1210 hydrofoil. The outcome of tube slots combination in the S1210 hydrofoil on the boundary layer separation are numerically investigated. The performance is compared with respect to the force coefficients and glide ratio. The effects of tube slot inlet positions with different diameters on S1210 hydrofoil are presented here. The results show that the smaller diameter tube slots starting near the leading edge improves the hydrodynamics performance of the hydrofoil. |
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| Keywords: | NACA S1210 hydrofoil Boundary layer control Lift and drag coefficient |
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