publication . Article . 2017

wind lens technology and its application to wind and water turbine and beyond

Ohya Yuji; Karasudani Takashi; Nagai Tomoyuki; Watanabe Koichi;
Open Access
  • Published: 01 Jan 2017 Journal: Renewable Energy and Environmental Sustainability, volume 2, page 2 (eissn: 2493-9439, Copyright policy)
  • Publisher: EDP Sciences
Abstract
Wind lens is a new type of wind power system consisting of a simple brimmed ring structure that surrounds the rotor causing greater wind to pass through the turbine. As a consequence, the turbine's efficiency of capturing energy from the wind gets dramatically increased. A Wind lens turbine can generate 2–5 times the power of an existing wind turbine given at the same rotor diameter and incoming wind speed. This fluid dynamical effect is also effective in the water. We have developed 1–3 kW Wind lens turbines and a 100 kW Wind lens turbine. In addition to the enhanced output power, Wind lens turbine is quiet. The technology is now used in an offshore experiment ...
Subjects
free text keywords: Power station, Wind power, business.industry, business, Offshore wind power, Water turbine, Engineering, Wind speed, Power optimizer, Marine engineering, Turbine, Wind hybrid power systems, Energy conservation, TJ163.26-163.5, Renewable energy sources, TJ807-830
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