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基于滑移網(wǎng)格的垂直軸風(fēng)力機(jī)非定常數(shù)值模
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Simulation on Unsteady Rotated Flow of a Vertical Axis Wind Turbine Based on Moving Meshes
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    摘要:

    采用滑移網(wǎng)格技術(shù)對(duì)直葉片垂直軸風(fēng)力機(jī)進(jìn)行了非定常數(shù)值模擬,，得到尾流速度,、特定過流斷面的速度分布規(guī)律，并與經(jīng)典的多流管理論計(jì)算出的尾流速度、特定過流斷面速度進(jìn)行了對(duì)比,，數(shù)值模擬結(jié)果與理論計(jì)算值吻合較好。結(jié)果表明，采用滑移網(wǎng)格技術(shù)對(duì)直葉片垂直軸 風(fēng)力機(jī)進(jìn)行非定常的數(shù)值模擬能夠較好地反映流場(chǎng)特性。

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    Numerical simulation on unsteady rotated flow of a straight-blade vertical axis wind turbine (VAWT) is done based on moving meshes by means of the software Fluent. The wake velocity and the variation of velocity at the special cross-section are obtained. The results of unsteady flow are compared with ones solved by the multiple stream-tube model, and good coincidence is obtained. The conclusion can be made that the numerical simulation on unsteady rotated flow of a straight-blade VAWT based on moving meshes can represent its flow field. 

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楊從新,巫發(fā)明,張玉良.基于滑移網(wǎng)格的垂直軸風(fēng)力機(jī)非定常數(shù)值模[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2009,40(6):98-102. Simulation on Unsteady Rotated Flow of a Vertical Axis Wind Turbine Based on Moving Meshes[J]. Transactions of the Chinese Society for Agricultural Machinery,2009,40(6):98-102.

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