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首页> 外文期刊>Journal of Heat Transfer >Effect of Rarefaction, Dissipation, and Accommodation Coefficients on Heat Transfer in Microcylindrical Couette Flow
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Effect of Rarefaction, Dissipation, and Accommodation Coefficients on Heat Transfer in Microcylindrical Couette Flow

机译:回流,耗散和调节系数对微圆柱库埃特流中传热的影响

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摘要

This paper examines the effects of rarefaction, dissipation, curvature, and accommodation coefficients on flow and heat transfer characteristics in rotating microdevices. The problem is modeled as a cylindrical Couette flow with a rotating shaft and stationary housing. The housing is maintained at uniform temperature while the rotating shaft is insulated. Thus, heat transfer is due to viscous dissipation only. An analytic solution is obtained for the temperature distribution in the gas filled concentric clearance between the rotating shaft and its stationary housing. The solution is valid in the slip flow and temperature jump domain defined by the Knudsen number range of 0.001
机译:本文研究了稀薄度,耗散度,曲率和容纳系数对旋转微型设备中流动和传热特性的影响。该问题被建模为具有旋转轴和固定壳体的圆柱形Couette流。旋转轴处于绝缘状态时,外壳温度保持均匀。因此,热传递仅归因于粘性耗散。在旋转轴与其固定壳体之间的充气同心间隙中获得了温度分布的解析解。该解决方案在由0.001

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