A shrouded wind turbine generating high output power with wind-lens technology

Yuji Ohya, Takashi Karasudani

Research output: Contribution to journalArticle

183 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)634-649
Number of pages16
JournalEnergies
Volume3
Issue number4
DOIs
Publication statusPublished - Apr 2010

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Energy (miscellaneous)
  • Control and Optimization
  • Electrical and Electronic Engineering

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