Design and Optimization of a Ducted Marine Current Savonius Turbine for Gun-barrel Passage, Fiji
Marine current energy is a reliable and clean source of energy. Many marine current turbines have been designed and developed over the years. Placement of an appropriately designed duct or shroud around the turbine significantly improves the turbine performance. In the present work, a Ducted Savoniu...
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ftunisouthpac:oai:generic.eprints.org:11278 2023-05-15T14:24:58+02:00 Design and Optimization of a Ducted Marine Current Savonius Turbine for Gun-barrel Passage, Fiji Goundar, Jai Ahmed, Mohammed R. Lee, Y.H. 2019-04-01 application/pdf http://repository.usp.ac.fj/11278/ http://repository.usp.ac.fj/11278/1/Design_n_Optimiz_Ducted_MCT_OMAE_2019.pdf http://offshoremechanics.asmedigitalcollection.asme.org/journal.aspx unknown American Society of Mechanical Engineers http://repository.usp.ac.fj/11278/1/Design_n_Optimiz_Ducted_MCT_OMAE_2019.pdf Goundar, Jai and Ahmed, Mohammed R. and Lee, Y.H. (2019) Design and Optimization of a Ducted Marine Current Savonius Turbine for Gun-barrel Passage, Fiji. Journal of Offshore Mechanics and Arctic Engineering, 141 (2). 021901-1. ISSN 0892-7219 TJ Mechanical engineering and machinery Journal Article PeerReviewed 2019 ftunisouthpac 2019-09-06T08:27:39Z Marine current energy is a reliable and clean source of energy. Many marine current turbines have been designed and developed over the years. Placement of an appropriately designed duct or shroud around the turbine significantly improves the turbine performance. In the present work, a Ducted Savonius Turbine (DST) is designed and optimized and its performance analysis carried out. The components of ducted Savonius turbines are simple and easily available and can be manufactured in developing countries like Fiji. A scaled-down model of 1/20 of a DST was fabricated and tested in a water stream at a velocity of 0.6 m/s and the results were used to validate the results from a commercial Computational Fluid Dynamics (CFD) code ANSYS-CFX. Finally, a full-scale DST was modeled to study the flow characteristics in the turbine and the performance characteristics. The maximum efficiency of the turbine is around 50% at the tip speed ratio (TSR) of 3.5 and the maximum shaft power obtained is 10 kW at the rated speed of 1.15 m/s and around 65 kW at a free-stream velocity of 2.15 m/s. The stress distribution on the ducted turbine was also obtained. Article in Journal/Newspaper Arctic The University of South Pacific: USP Electronic Research Repository |
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The University of South Pacific: USP Electronic Research Repository |
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TJ Mechanical engineering and machinery |
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TJ Mechanical engineering and machinery Goundar, Jai Ahmed, Mohammed R. Lee, Y.H. Design and Optimization of a Ducted Marine Current Savonius Turbine for Gun-barrel Passage, Fiji |
topic_facet |
TJ Mechanical engineering and machinery |
description |
Marine current energy is a reliable and clean source of energy. Many marine current turbines have been designed and developed over the years. Placement of an appropriately designed duct or shroud around the turbine significantly improves the turbine performance. In the present work, a Ducted Savonius Turbine (DST) is designed and optimized and its performance analysis carried out. The components of ducted Savonius turbines are simple and easily available and can be manufactured in developing countries like Fiji. A scaled-down model of 1/20 of a DST was fabricated and tested in a water stream at a velocity of 0.6 m/s and the results were used to validate the results from a commercial Computational Fluid Dynamics (CFD) code ANSYS-CFX. Finally, a full-scale DST was modeled to study the flow characteristics in the turbine and the performance characteristics. The maximum efficiency of the turbine is around 50% at the tip speed ratio (TSR) of 3.5 and the maximum shaft power obtained is 10 kW at the rated speed of 1.15 m/s and around 65 kW at a free-stream velocity of 2.15 m/s. The stress distribution on the ducted turbine was also obtained. |
format |
Article in Journal/Newspaper |
author |
Goundar, Jai Ahmed, Mohammed R. Lee, Y.H. |
author_facet |
Goundar, Jai Ahmed, Mohammed R. Lee, Y.H. |
author_sort |
Goundar, Jai |
title |
Design and Optimization of a Ducted Marine Current Savonius Turbine for Gun-barrel Passage, Fiji |
title_short |
Design and Optimization of a Ducted Marine Current Savonius Turbine for Gun-barrel Passage, Fiji |
title_full |
Design and Optimization of a Ducted Marine Current Savonius Turbine for Gun-barrel Passage, Fiji |
title_fullStr |
Design and Optimization of a Ducted Marine Current Savonius Turbine for Gun-barrel Passage, Fiji |
title_full_unstemmed |
Design and Optimization of a Ducted Marine Current Savonius Turbine for Gun-barrel Passage, Fiji |
title_sort |
design and optimization of a ducted marine current savonius turbine for gun-barrel passage, fiji |
publisher |
American Society of Mechanical Engineers |
publishDate |
2019 |
url |
http://repository.usp.ac.fj/11278/ http://repository.usp.ac.fj/11278/1/Design_n_Optimiz_Ducted_MCT_OMAE_2019.pdf http://offshoremechanics.asmedigitalcollection.asme.org/journal.aspx |
genre |
Arctic |
genre_facet |
Arctic |
op_relation |
http://repository.usp.ac.fj/11278/1/Design_n_Optimiz_Ducted_MCT_OMAE_2019.pdf Goundar, Jai and Ahmed, Mohammed R. and Lee, Y.H. (2019) Design and Optimization of a Ducted Marine Current Savonius Turbine for Gun-barrel Passage, Fiji. Journal of Offshore Mechanics and Arctic Engineering, 141 (2). 021901-1. ISSN 0892-7219 |
_version_ |
1766297410987884544 |