Performance analysis of a smaller-capacity straight-bladed VAWT with prospective airfoils

Modern wind turbines are categorized as horizontal axis wind turbines (HAWTs) and vertical axis wind turbines (VAWTs), which are currently being utilized for diversified applications. The basic theoretical advantages of VAWTs are: (i) they accept the wind from any direction, and (ii) the generato...

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Main Authors:	Islam, Mazharul, Amin, M. Ruhul, Ting, David, Fartaj, Amir
Format:	Conference or Workshop Item
Language:	English
Published:	American Institute of Aeronautics and Astronautics (AIAA) 2008
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://irep.iium.edu.my/56953/ http://irep.iium.edu.my/56953/ http://irep.iium.edu.my/56953/ http://irep.iium.edu.my/56953/7/56953.pdf

id	iium-56953
recordtype	eprints
spelling	iium-569532017-05-23T02:20:22Z http://irep.iium.edu.my/56953/ Performance analysis of a smaller-capacity straight-bladed VAWT with prospective airfoils Islam, Mazharul Amin, M. Ruhul Ting, David Fartaj, Amir TJ Mechanical engineering and machinery Modern wind turbines are categorized as horizontal axis wind turbines (HAWTs) and vertical axis wind turbines (VAWTs), which are currently being utilized for diversified applications. The basic theoretical advantages of VAWTs are: (i) they accept the wind from any direction, and (ii) the generator, gearbox etc. can be placed on the ground. Selection of airfoil is one of the most critical factor in achieving optimum aerodynamic performance and in determining the optimum dimensions of a fixed-pitch straight-bladed vertical axis wind turbine (SB-VAWT). Airfoil related design changes also have the potential for increasing the cost effectiveness of VAWTs. Most of the earlier research works carried out by different research organizations mainly used NACA symmetric airfoils which were unable to self-start properly. In this paper, detail systematic investigative analyses have been performed with high-lift asymmetric airfoils appropriate for self-starting and better performance of smaller capacity SB-VAWT. In order to do the performance analysis, a computational scheme has been developed using the Cascade Model and XFOIL, a sub-sonic airfoil design and analysis tool developed in MIT. It has been found out that the results obtained from the computational scheme conform reasonably well with the experimental results. Subsequently, three prospective airfoils have been identified using this computational scheme. It has been found that their performance is better than conventionally used NACA 0015 at low tip speed ratio range where the problem of self-starting happens. American Institute of Aeronautics and Astronautics (AIAA) 2008-01 Conference or Workshop Item PeerReviewed application/pdf en http://irep.iium.edu.my/56953/7/56953.pdf Islam, Mazharul and Amin, M. Ruhul and Ting, David and Fartaj, Amir (2008) Performance analysis of a smaller-capacity straight-bladed VAWT with prospective airfoils. In: 46th AIAA Aerospace Sciences Meeting and Exhibit, 7th-10th January 2008, Reno, Nevada, U.S.A.. https://arc.aiaa.org/doi/pdf/10.2514/6.2008-1333 10.2514/MASM08
repository_type	Digital Repository
institution_category	Local University
institution	International Islamic University Malaysia
building	IIUM Repository
collection	Online Access
language	English
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery Islam, Mazharul Amin, M. Ruhul Ting, David Fartaj, Amir Performance analysis of a smaller-capacity straight-bladed VAWT with prospective airfoils
description	Modern wind turbines are categorized as horizontal axis wind turbines (HAWTs) and vertical axis wind turbines (VAWTs), which are currently being utilized for diversified applications. The basic theoretical advantages of VAWTs are: (i) they accept the wind from any direction, and (ii) the generator, gearbox etc. can be placed on the ground. Selection of airfoil is one of the most critical factor in achieving optimum aerodynamic performance and in determining the optimum dimensions of a fixed-pitch straight-bladed vertical axis wind turbine (SB-VAWT). Airfoil related design changes also have the potential for increasing the cost effectiveness of VAWTs. Most of the earlier research works carried out by different research organizations mainly used NACA symmetric airfoils which were unable to self-start properly. In this paper, detail systematic investigative analyses have been performed with high-lift asymmetric airfoils appropriate for self-starting and better performance of smaller capacity SB-VAWT. In order to do the performance analysis, a computational scheme has been developed using the Cascade Model and XFOIL, a sub-sonic airfoil design and analysis tool developed in MIT. It has been found out that the results obtained from the computational scheme conform reasonably well with the experimental results. Subsequently, three prospective airfoils have been identified using this computational scheme. It has been found that their performance is better than conventionally used NACA 0015 at low tip speed ratio range where the problem of self-starting happens.
format	Conference or Workshop Item
author	Islam, Mazharul Amin, M. Ruhul Ting, David Fartaj, Amir
author_facet	Islam, Mazharul Amin, M. Ruhul Ting, David Fartaj, Amir
author_sort	Islam, Mazharul
title	Performance analysis of a smaller-capacity straight-bladed VAWT with prospective airfoils
title_short	Performance analysis of a smaller-capacity straight-bladed VAWT with prospective airfoils
title_full	Performance analysis of a smaller-capacity straight-bladed VAWT with prospective airfoils
title_fullStr	Performance analysis of a smaller-capacity straight-bladed VAWT with prospective airfoils
title_full_unstemmed	Performance analysis of a smaller-capacity straight-bladed VAWT with prospective airfoils
title_sort	performance analysis of a smaller-capacity straight-bladed vawt with prospective airfoils
publisher	American Institute of Aeronautics and Astronautics (AIAA)
publishDate	2008
url	http://irep.iium.edu.my/56953/ http://irep.iium.edu.my/56953/ http://irep.iium.edu.my/56953/ http://irep.iium.edu.my/56953/7/56953.pdf
first_indexed	2023-09-18T21:20:26Z
last_indexed	2023-09-18T21:20:26Z
_version_	1777411845324275712

Performance analysis of a smaller-capacity straight-bladed VAWT with prospective airfoils

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