2022
DOI: 10.1177/0309524x211072868
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Optimal design and sensitivity analysis of airfoil-shaped rotor blade for Savonius wind turbine by using response surface methodology

Abstract: The Savonius wind turbine is cost-effective, simple in structure, and potentially usable in urban areas but suffers from poor efficiency. Further, vortices emerges downward results in a higher rate of exergy loss and lower wind energy to power conversion rate. Thus, the objective of the present study is to enhance the performance of the Savonius wind turbine and reduction of generated friction entropy considering the novel design of airfoil-shaped blade. For this purpose, nine important design parameters of ai… Show more

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Cited by 7 publications
(2 citation statements)
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“…As shown in Figure 4(a), as the load increases, the power coefficient reaches its maximum value of 0.16 at a tip speed ratio of 0.74, exhibiting a linear behavior up to the tip speed ratio of 0.47. The power coefficient significantly decreases when the turbine is excessively loaded and when friction is excessive in the transmission system as suggested in earlier studies (Hassanshahi and Kharati-Koopaee, 2023;Hosseini Imeni et al, 2022). Numerical results are in very good agreement with experimental data, which demonstrates the accuracy of the numerical method and assumptions used.…”
Section: Experimental Data and Numerical Results Validationsupporting
confidence: 77%
“…As shown in Figure 4(a), as the load increases, the power coefficient reaches its maximum value of 0.16 at a tip speed ratio of 0.74, exhibiting a linear behavior up to the tip speed ratio of 0.47. The power coefficient significantly decreases when the turbine is excessively loaded and when friction is excessive in the transmission system as suggested in earlier studies (Hassanshahi and Kharati-Koopaee, 2023;Hosseini Imeni et al, 2022). Numerical results are in very good agreement with experimental data, which demonstrates the accuracy of the numerical method and assumptions used.…”
Section: Experimental Data and Numerical Results Validationsupporting
confidence: 77%
“…Therefore, The topology optimisation method follows a performance-driven design scheme and can generate a structure with a reasonable material distribution, excellent performance conditions, and light-weight requirements. Ahmadi et al [14] proposed a hierarchical construction method for optimising press performance. The method incorporates overhang constraints and support structure requirements into topology optimisation, making it suitable for high-resolution topology optimisation.…”
Section: Introductionmentioning
confidence: 99%