Numerical Study of the Effect of Geometry and Operating Parameters on the Performance of Savonius Vertical Axis Wind Turbine

Ramarajan, J.; Jayavel, S.

doi:10.18520/cs/v119/i12/1927-1938

Cited by 9 publications

(2 citation statements)

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“…Al-Ghriybah et al [23] improved the performance of Savonius turbines by placing the inner blades on conventional Savonius blades. Ramarajan et al [24] conducted a study on the performance of the Savonius turbine with various interior turbine parameters. Tian et al [25] conducted a study of the power efficiency of the Savonius turbine with different convex and concave blades.…”

Section: Introductionmentioning

confidence: 99%

Examination of the Effect of Triangular Plate on the Performances of Reverse Rotating Dual Savonius Wind Turbines

Altan

Güngör

2022

Processes

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In the present study, the performance of the Savonius wind turbine in designs with dual turbines rotating opposite to each other was examined. To improve the performance of the Savonius wind turbine in the dual turbine design, a triangular plate was placed in front of the turbines. The effects of the geometric parameters of this triangular plate which was placed on the turbine performance were studied. The numerical analyses performed were confirmed by the experimental data of a previous study in the literature. The performance values of Savonius wind turbines were analyzed by numerical analysis, the accuracy of which was proven by experimental data. ANSYS Fluent, a computational fluid dynamics (CFD) program, was used for the performance analysis. In the first stage, the maximum power coefficient (Cp) of the conventional Savonius wind turbine was obtained around 0.17. With the optimum geometric parameter studies, the maximum power coefficient of the Savonius wind turbine in the triangular plate dual turbine design was determined to be around 0.22. Thus, it was found that the power coefficient obtained by a single Savonius wind turbine in a triangular plate dual turbine design was around 30% higher compared to the power coefficient of the conventional Savonius wind turbine.

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Section: Introductionmentioning

confidence: 99%

Examination of the Effect of Triangular Plate on the Performances of Reverse Rotating Dual Savonius Wind Turbines

Altan

Güngör

2022

Processes

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“…Energies 2021, 14,1962 2 of 23 All these advantages encourage studies aimed at constructive and functional optimization that can ensure increased operation performance for this rotor type. To achieve this goal, multiple studies and research activities have been conducted in which researchers used both numerical [15][16][17][18][19][20][21][22][23] and experimental methods [24][25][26][27][28][29][30][31][32][33][34][35] to establish and improve the performance of rotor construction variants directed towards blade shape optimization or determination of the optimal rotor blade number [36][37][38][39]. Additionally, the studies aimed to establish the optimum values related to the aspect ratio [40][41][42][43], and the overlap ratio [44][45][46][47][48][49], and to change the performance parameters in the case of end plates [50], and curtains mounted to the rotor assembly [51][52][53][54][55], with the scope of directing the air stream to the active blade, thereby avoiding the negative mom...…”

Section: Introductionmentioning

confidence: 99%

Review of Specific Performance Parameters of Vertical Wind Turbine Rotors Based on the SAVONIUS Type

2021

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Increasing energy demand and environmental regulations around the world provide an adequate framework for developing methods of obtaining energy from renewable sources. Wind force is a resource with a high potential through which green energy can be obtained with no negative impact on the environment. Different turbine typologies have been developed, which can convert the wind force into mechanical and electrical energy through turbine rotational motion. Starting from the classic vertical-axis SAVONIUS rotor model, other models have been designed, which, according to the numerical studies and experimental test results, show higher performance parameters in operation. Such models present specific rotor blade geometries to achieve better operational results in terms of shaft torque and generated power. There are multiple research results from numerical analysis on virtual models or experimental tests that use rotor models in different constructive configurations aiming to improve operation performance. These research activities are related to the rotor blade number, the aspect and overlap ratio values, the blade profile geometry modification, the use of end plates connected to the rotor blades, curtain mounting solutions for directing the air flow on the active blade alone, and rotor constructive variants with deformable blades during operation. Some of the results obtained from the mentioned research activities are shown in this review for special rotor configurations whose performance results in terms of torque or power values are compared to the classical SAVONIUS model.

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Prediction of Mechanical Power of New Design of Savonius Wind Turbine Using Various Empirical Models

Kassem,

Çamur,

Adamu

et al. 2024

Lecture Notes in Networks and Systems

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Numerical Study of the Effect of Geometry and Operating Parameters on the Performance of Savonius Vertical Axis Wind Turbine

Cited by 9 publications

References 0 publications

Examination of the Effect of Triangular Plate on the Performances of Reverse Rotating Dual Savonius Wind Turbines

Examination of the Effect of Triangular Plate on the Performances of Reverse Rotating Dual Savonius Wind Turbines

Review of Specific Performance Parameters of Vertical Wind Turbine Rotors Based on the SAVONIUS Type

Prediction of Mechanical Power of New Design of Savonius Wind Turbine Using Various Empirical Models

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