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A Shrouded Wind Turbine Generating High Output Power with Wind-lens Technology
Research Institute for Applied Mechanics, Kyushu University/ Kasuga 816-8580, Japan
* Author to whom correspondence should be addressed.
Received: 20 January 2010; in revised form: 6 February 2010 / Accepted: 27 February 2010 / Published: 31 March 2010
(This article belongs to the Special Issue Wind Energy
Abstract: We have developed a new wind turbine system that consists of a diffuser shroud with a broad-ring brim at the exit periphery and a wind turbine inside it. The shrouded wind turbine with a brimmed diffuser has demonstrated power augmentation by a factor of about 2–5 compared with a bare wind turbine, for a given turbine diameter and wind speed. This is because a low-pressure region, due to a strong vortex formation behind the broad brim, draws more mass flow to the wind turbine inside the diffuser shroud.
Keywords: wind turbine; diffuser; brim; power augmentation; wind tunnel experiment
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Cite This Article
MDPI and ACS Style
Ohya, Y.; Karasudani, T. A Shrouded Wind Turbine Generating High Output Power with Wind-lens Technology. Energies 2010, 3, 634-649.
Ohya Y, Karasudani T. A Shrouded Wind Turbine Generating High Output Power with Wind-lens Technology. Energies. 2010; 3(4):634-649.
Ohya, Yuji; Karasudani, Takashi. 2010. "A Shrouded Wind Turbine Generating High Output Power with Wind-lens Technology." Energies 3, no. 4: 634-649.