Functional Model of Savonius Type Vertical Axis Wind Turbine with Periodic Coupling of Adjacent Vertical Blades
The field of HAWT (Horizontal Axis Wind Turbines) regarding the use of wind energy (WE) as a renewable energy source (RES) is well researched and the results are covering both the power range and efficiency. Deficiencies observed during high wind speeds affect the investment costs. Savonius is a VAWT (Vertical Axis Wind Turbine) used for low wind speed, with low costs and low efficiency. The study proposes a conceptual model of Savonius type of VAWT (SWT) meant to increase the efficiency by reducing the resistance of the returning blade. SWT conceptual models were studied and analyzed and then a MC was elaborated and a MF and MM have been developed. An ME was made based on the MC and MF, which was used in wind tunnel experiments. The starting torque, the power factor, the efficiency, the speed and the output voltage of the generator were investigated. The results confirm the viability of the model and its resources to increase efficiency.
. Anthony Jiju, Book.
. Archer Cristina L., Jacobson Mark Z., Evaluation of global wind power, Journal of geophysical research, 2005, Vol. 11.
. Argaw N., Foster R., Ellis A., Renewable Energy for Water Pumping Applications in Rural, Report, Colorado, NREL, National Renewable Energy Laboratory Villages, 2003, p. 117.
. Benesh A., Wind turbine system using a vertical axis Savoniustype rotor, US Patent 4784568, Journal, 1988.
. Benesh A., Wind turbine system using a vertical axis Savoniustype rotor, Patent: 4784568, US, 1988.
. Bianchi Fernando D., De Battista Hernán and Mantz Ricardo J., Wind Turbine Control Systems. Principles, Modelling And Gain Schedu.., Book: Springer, 2007, p. 219.
. Blackwell B., Wind tunnel performance data for two bucket savonius rotors, Book, 1977.
. Burton Tony, et al., Wind Energy Handbook, Book, John Wiley & Sons, Ltd, 2001, p. 463, ISBN 0 471 48997 2.
. Dumitrescu H., Georgescu A., Calculul elicei, Cap. 4 Elicea eoliana, Editura Academiei Romane, 1990.
. Gardner Paul, Wind Energy - The Facts, Vol. 1 – Technology, Book.
. Hansen Martin O. L., Aerodynamics of Wind Turbines, 2nd ed., Earthscan, 2008, Book, ISBN 978-1-84407-438-9.
. Hau Erich, Wind Turbines, Fundamentals, Technologies, Applications, Economics, Book, Springler, 2006.
. Houghton E. L., Carpenter P. W., Aerodynamics for engineering students, 5th ed., Oxford: Butterworth Heinemann, 2003.
. Ivanko J., Alternative Energy - Farming Sun Wind, Book: www.solartoday.org, 2005.
. Joachim Peinke, Schaumann Peter, Barth Stephan, Wind Energy Collocvium, Book: Springer, 2007.
. Johnson G. J., Wind Energy Systems, Book: Manhattan, KS, 2001.
. Koller Julia, Koppel Johann, Peters Wolfgang, Offshore Wind Energy Research on Environmental Impacts, Book, Berlin Heidelberg: Springer-Verlag, 2006.
. Kreith Frank, Goswami Yogi D., Handbook of Energy Efficiency and Renewable Energy, Book: Taylor & Francis CRC, 2007.
. Kyozuka Y., Akira H., An Experimental Study on the Darrieus-Savonius Turbine for the Tidal Current Power Generation, Conference, Osaka, 2009.
. Lund Henrik, Renewable Energy Systems - The Choice and Modeling of 100%, Book: ELSEVIER Inc., 2010.
. Manwell J. F., McGowan J. G., Rogers A. L., Wind Energy Explained. Theory, Design and Application, Book: John Wiley & Sons Ltd, 2002, p. 590.
. Mathew Sathyajith, Wind Energy Fundamentals, Resource Analysis and Economics, Book: Springer, 2006.
. Menet J. L., Bourabaa N., Increase in a savonius rotor efficiency, Book, 2003.
. Nelson V, Wind Energy. Renewable Energy and the Environment, Book: Taylor & Francis Group LLC, 2009.
. Nybroe Klaus, Basic Blade Design, Book: old.windmission.dk.mht.
. Pasqualetti M. J., Gipe P., Righter R. W., Wind Power in View Energy Landscapes in a Crowded World, 1st ed., Book: Academic Press, 2002.
. Patel M. R., Wind and Solar Power Systems, Book: CRC Press, 1999.
. Piggot H., PMG construction manual, Book.
. Piggot Hugh, Small Wind Turbine Design Notes, Book, 1998.
. Piggot Hugh, Wind Rotor Blade Construction, Book.
. ***, Renewable Energy Focus Handbook, Book: Academic Press-Elsevier, 2009.
. Saha U. K., Rajkumar M. J., On the performance analysis of Savonius rotor with twisted blades, Journal Renewable Energy, 31, 2006.
. The European Wind Energy Association, Wind in power, 2010 European statistics, Report 2011.
. Zigman A., Optimization of a Savonis Rotor Vertical-Axes wind turbine, Book, Massachussets: MIT, 2007.