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Keywords: tip speed ratio
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. April 2024, 146(4): 041301.
Paper No: JERT-23-1509
Published Online: February 13, 2024
... this issue by obtaining an optimal blade profile considering the power coefficient (C P ) as an output function using optimization techniques. The objective function includes the overlap ratio, intermediate points on the curve, inlet velocity, and tip speed ratio (TSR) as the optimization geometric...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. October 2023, 145(10): 101301.
Paper No: JERT-22-1733
Published Online: April 17, 2023
... of 0.517, 0.512, 0.506, 0.498, and 0.488 when the Darrieus-type SB-VAWT utilizes upper cut J-shape airfoils with opening ratios of 0.8, 0.7, 0.6, 0.5, and 0.4, respectively, at the tip speed ratio (TSR) of 1.6. These values are higher than the power coefficient (0.486) of conventional NACA 4415 airfoil...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Energy Resour. Technol. June 2022, 144(6): 064502.
Paper No: JERT-21-1733
Published Online: November 9, 2021
...Ojing Siram; Niranjan Sahoo; Ujjwal K. Saha The small-scale horizontal-axis wind turbines (SHAWTs) have emerged as the promising alternative energy resource for the off-grid electrical power generation. These turbines primarily operate at low Reynolds number and low tip speed ratio conditions...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. March 2021, 143(3): 031301.
Paper No: JERT-20-1227
Published Online: August 27, 2020
... with a good lift-to-drag ratio in the Reynolds number range can then be selected. For a variable speed wind turbine, it can be approximated as (2) Re = V ∞ λ ( r / R ) c ν where λ is the tip speed ratio (TSR) and R is the blade length (m). Giguere and Selig [ 10...