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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Compact wind acceleration turbine ： ウィキペディア英語版 Compact wind acceleration turbine Compact Wind Acceleration Turbines (CWATs) are a class of wind turbine that uses structures to accelerate wind before it enters the wind-generating element.〔DeRosa, Ronald; "New company wants to harness area's wind power": ''Register Citizen'', August 31, 2008〕 The concept of these structures has been around for decades〔Leibowitz, Barry; Duffy, Robert, “Verification Analysis of the Toroidal Accelerator Rotor Platform Wind Energy Conversion System”, prepared for New York State Energy Research and Development Authority, September 1988〕 but has not gained wide acceptance in the marketplace. In 2008, two companies targeting the mid-wind (100 kW-1 MW) marketplace have received funding from venture capital. The first company to receive funding is Optiwind, which received its series A funding in April 2008, and the second company is Ogin, Inc. (formerly FloDesign Wind Turbine Inc.), which also received its series A funding in April 2008. Optiwind〔http://www.optiwind.com〕 is funded through Charles River Ventures and FloDesign is funded through Kleiner Perkins.〔O'Brien, George; "FloDesign Has Innovation Down to a Science"; ''Business West'', April 28, 2008〕 Other CWATs under development include the WindTamer from AristaPower, WindCube, Innowind (conceptual offshore application) and Enflo turbines. ==History== CWATs are a new acronym that encompasses the class of machines formerly known as DAWTs (diffuser augmented wind turbines). The technologies mentioned above all use diffuser augmentation that is substantially similar to previous designs as the primary means of acceleration. DAWTs were heavily researched by K. Foreman and Oman of Grumman Aerospace in the 1970s and 1980s and Igra in Israel in the 1970s. At the end of a decade of wind tunnel research and design funded by Grumman, NASA, and the DOE, it was determined that the DAWT system's economics were not sufficient to justify commercialization. In the 1990s the Grumman technology was licensed to a New Zealand company, Vortec Wind. The attempt to commercialize the Vortec 7 in New Zealand from 1998 to 2002 proved it to be economically untenable when compared to the dominant HAWT (horizontal axis wind turbine) technology. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Compact wind acceleration turbine」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.