日本機械学会論文集
Online ISSN : 2187-9761
流体工学,流体機械
自動車用送風機の電力回生に関する研究(高ソリディティ翼による実車での風車出力向上)
織田 信一長谷川 豊鈴木 博貴牛島 達夫大矢 英樹
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81 巻 (2015) 829 号 p. 15-00042

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This work aims at developing a new cooling fan for vehicle engine. This fan can operate as a cooling fan at low vehicle speed. At high vehicle speed, however, the fan is rarely used as a cooling fan. Therefore the fan can be used as a wind turbine, which generates electric power. In the previous report we had confirmed the effect of S-Shaped blade profile on the wind turbine efficiency by CFD analysis and the experiments. The present paper reports the enhancement of wind turbine power by installing high solidity rotor on a vehicle. High solidity rotor can increase the wind turbine efficiency and receive more input power due to the increased rate of the rotor resistance to the total resistance through the cooling system, although the air flow rate through the system decreases. We confirmed by the estimation and the actual vehicle test that the high solidity rotor can regenerate more electric power than the original low solidity rotor.

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