Sensitivity study of diffuser angle and brim height parameters for the design of 3 kW Diffuser Augmented Wind Turbine

• Autorzy: Lipian M. , Karczewski M. , Olasek K
• Konferencja: International Symposium on Compressor & Turbine Flow Systems Theory & Application Areas "SYMKOM" (11 ; 20-23.10.2014 ; Łódź, Polska)
• Języki publikacji: EN

Abstrakty

EN

The Diffuser Augmented Wind Turbine (DAWT) is an innovative mean to increase the power harvested by wind turbine. By encompassing the rotor with a diffuser-shaped duct it is possible to increase the flow speed through the turbine by about 40-50%. The study presents the development of a numerical model and its validation by the experiments performed in the wind tunnel of the Institute of Turbomachinery, TUL. The numerical model is then used for the geometry sensitivity study, to optimize the shape of a diffuser. The paper concludes that the DAWT technology has the potential to even double the power outcome of wind turbine when compared to a bare rotor version.

Słowa kluczowe

EN

Diffuser Augmented Wind Turbine (DAWT); small wind turbines; wind energy; numerical flow simulation; computational fluid dynamics CFD; particle image velocimetry (PIV); simulation-experiment integration

PL

małe turbiny wiatrowe; energia wiatrowa; symulacja numeryczna przepływu; obliczeniowa dynamika płynów

• Wydawca: Wydawnictwo Politechniki Łódzkiej
• Czasopismo: Zeszyty Naukowe. Cieplne Maszyny Przepływowe - Turbomachinery / Politechnika Łódzka
• Rocznik: 2014
• Tom: nr 145
• Strony: 79--80
• Opis fizyczny: Bibliogr. 9 poz.

Twórcy

autor

Lipian M.

• Institute of Turbomachinery Faculty of Mechanical Engineering Lodz University of Technology

autor

Karczewski M.

• Institute of Turbomachinery Faculty of Mechanical Engineering Lodz University of Technology

autor

Olasek K

• Institute of Turbomachinery Faculty of Mechanical Engineering Lodz University of Technology

Bibliografia

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• [3] Ohya Y. and Karasudani T.: A Shrouded Wind Turbine Generating High Output Power with Wind-Lens Technology, Energies, No. 2, 2010.
• [4] Ohya Y., Karasudani T. and Matsuura C.T.: A highly efficient wind turbine with wind-lens shroud, in 13th International Conference on Wind Engineering, Amsterdam, 2011.
• [5] Kosasih B. and Tondelli A.: Experimental study of shrouded micro wind turbine, Procedia Engineering, No. 49, pp. 92-98, 2012.
• [6] White F.M.: Fluid Mechanics, Sixth Edition, New York: McGraw-Hill, 2008.
• [7] Jamieson P.: Innovation in wind turbine design, pp. 255-258, 1st edition, John Wiley&Sons, 2011.
• [8] Kulak M., Olasek K. and Karczewski M.: Reduction of wind tunnel turbulence intensity level by installation of a honeycomb straightener – CFD simulation vs. experiment, in Proceedings of the XX Fluid Mechanics Conference KKMP2012, Gliwice, 17-20 September 2012, ISBN 978-83-927340-8-6.
• [9] Abe K. and Ohya Y.: An investigation of flow fields around flanged diffusers using CFD, Journal Wind Fengineering and Industrial Aerodynamics, No. 92, pp. 315-330, 2004.