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Journal of Renewable Energy
Volume 2014 (2014), Article ID 951379, 5 pages
http://dx.doi.org/10.1155/2014/951379
Research Article

Technoeconomic Analysis of Ducted Wind Turbines and Their Slow Acceptance on the Market

1Department of Physics, University of Fort Hare, Private Bag Box X1314, Alice 5700, South Africa
2Department of Physics, University of Venda, Private Bag Box X5050, Thohoyandou 0950, South Africa

Received 17 June 2014; Revised 12 November 2014; Accepted 22 November 2014; Published 10 December 2014

Academic Editor: Jing Shi

Copyright © 2014 Peace-Maker Masukume et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The encasing of wind turbines in a duct to enhance performance is not new. A ducted wind turbine produces more power than an unducted wind turbine of the same parameters. A number of approaches in studying the effects of diffusers and other wind concentrating devices have been done and have resulted in a number of prototypes produced but without any commercialization. The aim of this paper is to investigate the failure of commercialization of ducted turbines. A technical and economic analysis of a ducted turbine is also presented. The work shows that traditional economic methods used to evaluate ducted wind turbines are erroneous; they do not account for external effects of power generation and individual and community benefits derived from this technology. Failure to penetrate the market is due to negative publicity as a result of the erroneous evaluation undertaken and lack of appropriate engineering techniques to protect ducted wind energy systems in extreme wind conditions.