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Design and field testing of a Savonius wind pump’s rotor blade for pumping water in rural areas

08 May 2014-pp 63-67

TL;DR: In this paper, a Savonius rotor blade was developed and compared with the existing blades in terms of performance and production cost with a domestic fan and a wind speed of 6.94 m/s, which led to a conclusion that it was possible to locally develop a wind conversion technology that is affordable, efficient and adaptable for Kenya's average wind speed.

AbstractStudies indicate that vertical axis wind turbines provide a more reliable energy conversion technology, as compared to horizontal axis wind turbines, especially in areas of lowly rated and/or uncertain wind speeds. The challenge however is the development of an efficient Savonius rotor blade which is affordable to low income earners in Kenya. The author researched on different technical design solutions and their advantages in terms of noise, shadows and impacts on birds and wildlife. The objectives of this research were thus to design and develop a Savonius rotor blade locally and compare its performance and production cost with the existing blades. From the developed blade, a laboratory test was conducted using a domestic fan and a torque of 15.46NM at a wind speed of 6.94 m/s was obtained which led to a conclusion that it was possible to locally develop a wind conversion technology that is affordable, efficient and adaptable for Kenya’s average wind speed of 4m/s.

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Citations
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14 Nov 2011

5 citations

Proceedings ArticleDOI
09 Apr 1980

3 citations


References
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Book
31 Dec 1990
TL;DR: In this article, the authors present a review of renewable energy technologies, including photovoltaic power technology, wind power technologies, wave power, and geothermal energy technologies with a focus on using energy efficient technologies.
Abstract: 1. Principles of Renewable Energy 2. Solar Radiation and the Greenhouse Effect 3. Solar Water Heating 4. Other Solar Thermal Applications 5. Photovoltaic Power Technology - PV 6. Hydropower 7. Wind Resource 8. Wind Power Technology 9. Biomass Resources from Photosynthesis 10. Bioenergy Technologies 11. Wave Power 12. Tidal-current and Tidal-range Power 13. Ocean Gradient Energy: OTEC and Osmotic Power 14. Geothermal Energy 15. Energy Systems: Integration, Distribution and Storage 16. Using Energy Efficiently 17. Institutional and Economic Factors Review 1: Electrical Power Review 2: Fluid Dynamics Review 3: Heat Transfer Review 4: Solid State Physics for Photovoltaics Review 5: Units and Conversions: Algebraic Method Appendix A: Units and Conversions Appendix B: Data Appendix C: Some Heat Transfer Formulas Appendix D: Comparisons of Technologies Short Answers to Selected Problems Index

1,111 citations


"Design and field testing of a Savon..." refers background in this paper

  • ...HAWTs are the most commonly known types of wind turbines which operate parallel to the direction of the wind whereas VAWTs rotors operate perpendicular to the direction of wind and are very unpopular [1], [2]....

    [...]

Book
01 Jan 2006
TL;DR: In this article, the authors discuss the performance of wind energy conversion systems and the economic and environmental impact of wind power conversion systems in terms of energy efficiency and renewable energy sources, as well as wind energy and environment.
Abstract: Basics of wind energy conversion.- Analysis of wind regimes.- Wind energy conversion systems.- Performance of wind energy conversion systems.- Wind energy and environment.- Economics of wind energy.

696 citations


"Design and field testing of a Savon..." refers background in this paper

  • ...HAWTs are the most commonly known types of wind turbines which operate parallel to the direction of the wind whereas VAWTs rotors operate perpendicular to the direction of wind and are very unpopular [1], [2]....

    [...]

Journal ArticleDOI
TL;DR: In this article, wind tunnel tests were conducted to assess the aerodynamic performance of single-, two-and three-stage Savonius rotor systems with both semicircular and twisted blades.
Abstract: Wind tunnel tests were conducted to assess the aerodynamic performance of single-, two- and three-stage Savonius rotor systems. Both semicircular and twisted blades have been used in either case. A family of rotor systems has been manufactured with identical stage aspect ratio keeping the identical projected area of each rotor. Experiments were carried out to optimize the different parameters like number of stages, number of blades (two and three) and geometry of the blade (semicircular and twisted). A further attempt was made to investigate the performance of two-stage rotor system by inserting valves on the concave side of blade.

278 citations


"Design and field testing of a Savon..." refers methods in this paper

  • ...Empirical design calculations Various blade parameters like diameter, height, chord length and swept area were obtained from existing formulas [12],[13]....

    [...]

Journal Article

226 citations

Journal ArticleDOI
TL;DR: In this paper, the authors present a historical perspective on the Savonius turbines and discuss recent developments in analysis methods which intend to optimize the turbines for powering cellular communication towers in developing parts of the world.
Abstract: Wind turbine use is expanding throughout the world as a means to provide electricity without contributing to the increase in global-warming gases. Most commonly, very large, horizontal-axis turbines are constructed in fleets that are connected to national-level electrical grid systems. More recently, there has been a desire for more local, small-scale power production that can be used to power very specific pieces of equipment or buildings. Some of the small-scale turbines are designed differently from their larger counterparts—they are driven by drag forces rather than by lift. Drag-driven turbines are typically called Savonius turbines. This paper, which presents a historical perspective on Savonius turbines, will illustrate their potential for providing local power. Finally, we will discuss recent developments in analysis methods which intend to optimize Savonius turbines for powering cellular communication towers in developing parts of the world.

58 citations