Aerodynamic performance evaluation of a novel savonius-style wind turbine under an oriented jet

The Savonius-style wind turbine, a class of vertical axis wind turbines, can be a viable option for small scale off-grid electricity generation in the context of renewable energy applications. A better self-starting capability at low wind speeds is one of the major advantages of this turbine. Howeve...

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Main Authors: Roy, Sukanta, Mukherjee, P., Saha, U.
Format: Conference Paper
Published: 2014
Online Access:http://hdl.handle.net/20.500.11937/60749
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author Roy, Sukanta
Mukherjee, P.
Saha, U.
author_facet Roy, Sukanta
Mukherjee, P.
Saha, U.
author_sort Roy, Sukanta
building Curtin Institutional Repository
collection Online Access
description The Savonius-style wind turbine, a class of vertical axis wind turbines, can be a viable option for small scale off-grid electricity generation in the context of renewable energy applications. A better self-starting capability at low wind speeds is one of the major advantages of this turbine. However, as reported in open literature, the power coefficient of the conventional design is found to be inferior as compared to its counterparts. In this regard, a new blade design has been developed. In the present investigation, the aerodynamic performance of this newly designed turbine is assessed under an oriented jet. This is affected by installing deflectors upstream of the turbine blades. The intention of this study is to maximize the utilization of wind energy at the exhaust systems of several practical applications. Experiments are carried out in a low speed wind tunnel at a wind speed of 6.2 m/s. The gradual loads applied to the turbine, and the corresponding rotational speeds are recorded. Power and torque coefficients are calculated at various mechanical loads. Further, all the estimated data are corrected by a suitable correction factor to account for the wind tunnel blockage effects. The results obtained are compared with the experimental data of modified Bach and conventional designs. The results have shown a significant improvement in the performance of newly designed Savonius-style wind turbine under the concentrated and oriented jet.
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spelling curtin-20.500.11937-607492018-05-30T02:16:45Z Aerodynamic performance evaluation of a novel savonius-style wind turbine under an oriented jet Roy, Sukanta Mukherjee, P. Saha, U. The Savonius-style wind turbine, a class of vertical axis wind turbines, can be a viable option for small scale off-grid electricity generation in the context of renewable energy applications. A better self-starting capability at low wind speeds is one of the major advantages of this turbine. However, as reported in open literature, the power coefficient of the conventional design is found to be inferior as compared to its counterparts. In this regard, a new blade design has been developed. In the present investigation, the aerodynamic performance of this newly designed turbine is assessed under an oriented jet. This is affected by installing deflectors upstream of the turbine blades. The intention of this study is to maximize the utilization of wind energy at the exhaust systems of several practical applications. Experiments are carried out in a low speed wind tunnel at a wind speed of 6.2 m/s. The gradual loads applied to the turbine, and the corresponding rotational speeds are recorded. Power and torque coefficients are calculated at various mechanical loads. Further, all the estimated data are corrected by a suitable correction factor to account for the wind tunnel blockage effects. The results obtained are compared with the experimental data of modified Bach and conventional designs. The results have shown a significant improvement in the performance of newly designed Savonius-style wind turbine under the concentrated and oriented jet. 2014 Conference Paper http://hdl.handle.net/20.500.11937/60749 10.1115/GTINDIA2014-8152 restricted
spellingShingle Roy, Sukanta
Mukherjee, P.
Saha, U.
Aerodynamic performance evaluation of a novel savonius-style wind turbine under an oriented jet
title Aerodynamic performance evaluation of a novel savonius-style wind turbine under an oriented jet
title_full Aerodynamic performance evaluation of a novel savonius-style wind turbine under an oriented jet
title_fullStr Aerodynamic performance evaluation of a novel savonius-style wind turbine under an oriented jet
title_full_unstemmed Aerodynamic performance evaluation of a novel savonius-style wind turbine under an oriented jet
title_short Aerodynamic performance evaluation of a novel savonius-style wind turbine under an oriented jet
title_sort aerodynamic performance evaluation of a novel savonius-style wind turbine under an oriented jet
url http://hdl.handle.net/20.500.11937/60749