DSpace
 

KNUSTSpace >
Theses / Dissertations >
College of Engineering >

Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/5513

Title: Computer-Aided Design Optimisation of Wind Turbine Airfoil for Low Wind Speed Applications
Authors: Adu-Gyamfi, Samuel
Issue Date: 10-Jan-2013
Abstract: Low wind speed conditions in various parts of Ghana calls for a wind turbine blade capable of giving maximum circulation to produce a high lift which will turn turbines. In this thesis, a wind speed of at least 3 m/s is used as a benchmark in optimizing the design of a blade airfoil to give optimal performance during low wind speed conditions. Blade-element momentum theory which is the current mainstay of aerodynamic design for horizontal-axis wind turbine blade was used in the optimization process. A couple of design processes were considered to arrive at successful wind turbine design. Ten high-lift-coefficient airfoils, which could give high lift leading to high moment at low wind speed conditions, were selected and their aerodynamics parameters iterated and tested for optimum performance under low wind speed conditions. The iteration of these aerodynamics parameters were computed and analysed using a programmed spreadsheet for all the ten profiles. For each section of the blade, the airfoil that gave the highest power coefficient was used. The sections were then lofted to form a seamless blade. The resulting low wind speed blade airfoil design offers substantial improvements on the reference designs. The application of optimization methods successfully aided the creation of a wind turbine blade with consistent peak performance over a range of design points
Description: A Thesis submitted to the School of Graduate Studies, Kwame Nkrumah University of Science and Technology in partial fulfilment of the requirements for the degree of MASTER OF SCIENCE IN MECHANICAL ENGINEERING Department of Mechanical Engineering College of Engineering. JANUARY,2013
URI: http://hdl.handle.net/123456789/5513
Appears in Collections:College of Engineering

Files in This Item:

File Description SizeFormat
PRINT THIS.pdf2.79 MBAdobe PDFView/Open

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

 

Valid XHTML 1.0! DSpace Software Copyright © 2002-2010  Duraspace - Feedback