Effect of airfoil and solidity on performance of small scale vertical axis wind turbine using three dimensional CFD model
This paper presents a study on the effect of solidity and airfoil profile on the performance of Vertical Axis Wind Turbines (VAWTs). A 1.1 kW commercially viable Darrieus VAWT was studied using ANSYS Fluent. Four different airfoils – NACA 0012, NACA 0015, NACA 0030 and AIR 001 – were considered in t...
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Veröffentlicht in: | Energy (Oxford) 2017-08, Vol.133, p.179-190 |
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creator | Subramanian, Abhishek Yogesh, S. Arun Sivanandan, Hrishikesh Giri, Abhijit Vasudevan, Madhavan Mugundhan, Vivek Velamati, Ratna Kishore |
description | This paper presents a study on the effect of solidity and airfoil profile on the performance of Vertical Axis Wind Turbines (VAWTs). A 1.1 kW commercially viable Darrieus VAWT was studied using ANSYS Fluent. Four different airfoils – NACA 0012, NACA 0015, NACA 0030 and AIR 001 – were considered in the analysis. The tip speed ratios (λ) were varied from 1 to 2.5 with an incoming wind velocity of 10 m/s. It was observed that NACA 0030 performed better at lower values of λ due to long duration of attached flow; while NACA 0012 performed better at λ > 1.8 with a wider range of λ. The shed vortex dissipates much faster for thinner airfoils than for thicker airfoils at higher values of λ. Two bladed VAWTs generated more power than the three bladed turbines. This indicated that turbines with lower solidity perform better at high λ.
•3D simulations account for tip vortices and thus predicts more realistically.•Thicker airfoils perform better at lower TSR.•Thinner airfoils have wider range of operational TSR.•Higher solidity performs better at lower TSR. |
doi_str_mv | 10.1016/j.energy.2017.05.118 |
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•3D simulations account for tip vortices and thus predicts more realistically.•Thicker airfoils perform better at lower TSR.•Thinner airfoils have wider range of operational TSR.•Higher solidity performs better at lower TSR.</description><identifier>ISSN: 0360-5442</identifier><identifier>EISSN: 1873-6785</identifier><identifier>DOI: 10.1016/j.energy.2017.05.118</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>3-D technology ; Aerodynamics ; Airfoil ; Computational fluid dynamics ; Darrieus ; Impact analysis ; Mathematical models ; Solidity ; Three dimensional models ; Tip speed ; TSR ; Turbines ; VAWT ; Vertical axis wind turbines ; Wind power ; Wind speed ; Wind turbines</subject><ispartof>Energy (Oxford), 2017-08, Vol.133, p.179-190</ispartof><rights>2017 Elsevier Ltd</rights><rights>Copyright Elsevier BV Aug 15, 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c400t-d21ea39fd99a6559aaff4e5e3a0949620c54ae2536ba95ccd736b5c5e312a31b3</citedby><cites>FETCH-LOGICAL-c400t-d21ea39fd99a6559aaff4e5e3a0949620c54ae2536ba95ccd736b5c5e312a31b3</cites><orcidid>0000-0002-9490-5454</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.energy.2017.05.118$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Subramanian, Abhishek</creatorcontrib><creatorcontrib>Yogesh, S. Arun</creatorcontrib><creatorcontrib>Sivanandan, Hrishikesh</creatorcontrib><creatorcontrib>Giri, Abhijit</creatorcontrib><creatorcontrib>Vasudevan, Madhavan</creatorcontrib><creatorcontrib>Mugundhan, Vivek</creatorcontrib><creatorcontrib>Velamati, Ratna Kishore</creatorcontrib><title>Effect of airfoil and solidity on performance of small scale vertical axis wind turbine using three dimensional CFD model</title><title>Energy (Oxford)</title><description>This paper presents a study on the effect of solidity and airfoil profile on the performance of Vertical Axis Wind Turbines (VAWTs). A 1.1 kW commercially viable Darrieus VAWT was studied using ANSYS Fluent. Four different airfoils – NACA 0012, NACA 0015, NACA 0030 and AIR 001 – were considered in the analysis. The tip speed ratios (λ) were varied from 1 to 2.5 with an incoming wind velocity of 10 m/s. It was observed that NACA 0030 performed better at lower values of λ due to long duration of attached flow; while NACA 0012 performed better at λ > 1.8 with a wider range of λ. The shed vortex dissipates much faster for thinner airfoils than for thicker airfoils at higher values of λ. Two bladed VAWTs generated more power than the three bladed turbines. This indicated that turbines with lower solidity perform better at high λ.
•3D simulations account for tip vortices and thus predicts more realistically.•Thicker airfoils perform better at lower TSR.•Thinner airfoils have wider range of operational TSR.•Higher solidity performs better at lower TSR.</description><subject>3-D technology</subject><subject>Aerodynamics</subject><subject>Airfoil</subject><subject>Computational fluid dynamics</subject><subject>Darrieus</subject><subject>Impact analysis</subject><subject>Mathematical models</subject><subject>Solidity</subject><subject>Three dimensional models</subject><subject>Tip speed</subject><subject>TSR</subject><subject>Turbines</subject><subject>VAWT</subject><subject>Vertical axis wind turbines</subject><subject>Wind power</subject><subject>Wind speed</subject><subject>Wind turbines</subject><issn>0360-5442</issn><issn>1873-6785</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp9kMFKxDAQhoMouK6-gYeA59akbdrmIsjqqrDgRc8hm0zWlLZZk3Z1fRqfxSczSz17mmH4_mHmQ-iSkpQSWl43KfTgN_s0I7RKCUsprY_QjNZVnpRVzY7RjOQlSVhRZKfoLISGEMJqzmfo694YUAN2BkvrjbMtlr3GwbVW22GPXY-3EOe-k72CAxY62bY4KNkC3oEfbOyw_LTh5_vDxugw-rXtAY_B9hs8vHkArG0HfbCuj-hieYc7p6E9RydGtgEu_uocvS7vXxaPyer54Wlxu0pUQciQ6IyCzLnRnMuSMS6lMQUwyCXhBS8zolghIWN5uZacKaWr2DEVAZrJnK7zObqa9m69ex8hDKJxo4-nBEF5NJKTimeRKiZKeReCByO23nbS7wUl4mBZNGKyLA6WBWEiWo6xmykG8YOdBS-CshBVaeujV6Gd_X_BL8PRimQ</recordid><startdate>20170815</startdate><enddate>20170815</enddate><creator>Subramanian, Abhishek</creator><creator>Yogesh, S. Arun</creator><creator>Sivanandan, Hrishikesh</creator><creator>Giri, Abhijit</creator><creator>Vasudevan, Madhavan</creator><creator>Mugundhan, Vivek</creator><creator>Velamati, Ratna Kishore</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7ST</scope><scope>7TB</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>KR7</scope><scope>L7M</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0002-9490-5454</orcidid></search><sort><creationdate>20170815</creationdate><title>Effect of airfoil and solidity on performance of small scale vertical axis wind turbine using three dimensional CFD model</title><author>Subramanian, Abhishek ; Yogesh, S. Arun ; Sivanandan, Hrishikesh ; Giri, Abhijit ; Vasudevan, Madhavan ; Mugundhan, Vivek ; Velamati, Ratna Kishore</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c400t-d21ea39fd99a6559aaff4e5e3a0949620c54ae2536ba95ccd736b5c5e312a31b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>3-D technology</topic><topic>Aerodynamics</topic><topic>Airfoil</topic><topic>Computational fluid dynamics</topic><topic>Darrieus</topic><topic>Impact analysis</topic><topic>Mathematical models</topic><topic>Solidity</topic><topic>Three dimensional models</topic><topic>Tip speed</topic><topic>TSR</topic><topic>Turbines</topic><topic>VAWT</topic><topic>Vertical axis wind turbines</topic><topic>Wind power</topic><topic>Wind speed</topic><topic>Wind turbines</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Subramanian, Abhishek</creatorcontrib><creatorcontrib>Yogesh, S. Arun</creatorcontrib><creatorcontrib>Sivanandan, Hrishikesh</creatorcontrib><creatorcontrib>Giri, Abhijit</creatorcontrib><creatorcontrib>Vasudevan, Madhavan</creatorcontrib><creatorcontrib>Mugundhan, Vivek</creatorcontrib><creatorcontrib>Velamati, Ratna Kishore</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Environment Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><jtitle>Energy (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Subramanian, Abhishek</au><au>Yogesh, S. Arun</au><au>Sivanandan, Hrishikesh</au><au>Giri, Abhijit</au><au>Vasudevan, Madhavan</au><au>Mugundhan, Vivek</au><au>Velamati, Ratna Kishore</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of airfoil and solidity on performance of small scale vertical axis wind turbine using three dimensional CFD model</atitle><jtitle>Energy (Oxford)</jtitle><date>2017-08-15</date><risdate>2017</risdate><volume>133</volume><spage>179</spage><epage>190</epage><pages>179-190</pages><issn>0360-5442</issn><eissn>1873-6785</eissn><abstract>This paper presents a study on the effect of solidity and airfoil profile on the performance of Vertical Axis Wind Turbines (VAWTs). A 1.1 kW commercially viable Darrieus VAWT was studied using ANSYS Fluent. Four different airfoils – NACA 0012, NACA 0015, NACA 0030 and AIR 001 – were considered in the analysis. The tip speed ratios (λ) were varied from 1 to 2.5 with an incoming wind velocity of 10 m/s. It was observed that NACA 0030 performed better at lower values of λ due to long duration of attached flow; while NACA 0012 performed better at λ > 1.8 with a wider range of λ. The shed vortex dissipates much faster for thinner airfoils than for thicker airfoils at higher values of λ. Two bladed VAWTs generated more power than the three bladed turbines. This indicated that turbines with lower solidity perform better at high λ.
•3D simulations account for tip vortices and thus predicts more realistically.•Thicker airfoils perform better at lower TSR.•Thinner airfoils have wider range of operational TSR.•Higher solidity performs better at lower TSR.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.energy.2017.05.118</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-9490-5454</orcidid></addata></record> |
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subjects | 3-D technology Aerodynamics Airfoil Computational fluid dynamics Darrieus Impact analysis Mathematical models Solidity Three dimensional models Tip speed TSR Turbines VAWT Vertical axis wind turbines Wind power Wind speed Wind turbines |
title | Effect of airfoil and solidity on performance of small scale vertical axis wind turbine using three dimensional CFD model |
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