Thermocapillary Driven Turbulent Heat Transfer

V. S. Arpacl; S. -H. Kao

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Thermocapillary Driven Turbulent Heat Transfer

机译：热毛细管驱动湍流传热

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A dimensionless number depending on the usual Prandtl and Marangoni numbers, II_s ～Ma/(1+Pr~-1)=MaPr/(1+Pr), is introduced for thermocapillary driven Flows. Three heat transfer models are proposed in terms of Iis. The first model on Laminar flow, using some dimensional arguments with a flow scale and the boundary Layer concept, leads to Nu～II~1/4_S, Nu being the usual Nusselt number. The second Model on transition flow, extending Landau's original idea on the amplitude of Disturbances past marginal stability of isothermal flow, leads to Nu-1 ～(Iis- II_sc)~1/2, II_sc, corresponding to the critical value of II_s for the marginal state.

机译：对于热毛细驱动流，引入了通常的Prandtl和Marangoni数的无因次数，即II_s〜Ma /（1 + Pr〜-1）= MaPr /（1 + Pr）。根据Iis提出了三种传热模型。关于层流的第一个模型，使用带有流动比例和边界层概念的一些尺寸参数，得出Nu〜II〜1 / 4_S，Nu是通常的努塞尔特数。第二种过渡流模型，扩展了Landau关于扰动幅度超过等温流边际稳定性的原始思想，导致Nu-1〜（Iis- II_sc）〜1/2，II_sc，对应于II_s临界值。边缘状态。

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来源
《Journal of Heat Transfer》 |1998年第1期|p.214-219|共6页
作者
V. S. Arpacl; S. -H. Kao;
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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、热机;
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2. Magnetohydrodynamics Thermocapillary Marangoni Convection Heat Transfer of Power-Law Fluids Driven by Temperature Gradient [J] . Yanhai Lin, Liancun Zheng, Xinxin Zhang Journal of Heat Transfer . 2013,第5期

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Thermocapillary Driven Turbulent Heat Transfer

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