HEAT TRANSFER BY FULLY DEVELOPED FLOW AND VISCOUS HEATING IN A VERTICLA CHANNEL WITH PRESCRIBED WALL HEAT FLUXES

ANTONIO BARLETTA

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HEAT TRANSFER BY FULLY DEVELOPED FLOW AND VISCOUS HEATING IN A VERTICLA CHANNEL WITH PRESCRIBED WALL HEAT FLUXES

机译：在预定壁热通量的垂直通道中，通过充分发展的流动和粘性加热进行传热

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An analysis of combined forced and free convection in a vertical parallel-plate channel with prescribed wall heat fluxes is performed by considering a fully developed flow and by taking into account the effect of viscous dissipation. It is shown that the condition of fully developed flow cannot be accomplished if a streamwise change of the wall heat fluxes occurs. An analytical solution of he momentum balance and energy balance equations is found by a perturbation method. In particular, the forced convection flow with viscous heating is treated as the base heat transfer process. Then, the effect of buoyancy is accounted for by experessing the fluid velocity and temperature as power series with respect to the ratio between the Grashof number and the Reynolds number.

机译：通过考虑充分发展的流动并考虑粘性耗散的影响，对具有规定壁热通量的垂直平行板通道中的强迫和自由对流组合进行了分析。结果表明，如果发生壁热通量的沿流变化，则无法实现充分发展的流动条件。通过摄动法找到了动量平衡和能量平衡方程的解析解。特别地，将带有粘性加热的强制对流视为基础传热过程。然后，通过相对于格拉斯霍夫数与雷诺数之比，以流体速度和温度为幂级数来说明浮力的影响。

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《International Journal of Heat and Mass Transfer》 |1999年第20期|3873-3885|共13页
作者
ANTONIO BARLETTA;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类热力工程理论;热学;
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HEAT TRANSFER BY FULLY DEVELOPED FLOW AND VISCOUS HEATING IN A VERTICLA CHANNEL WITH PRESCRIBED WALL HEAT FLUXES

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