Temperature development in pipe flow with uniform surface heat flux condition considering thermal leakage to the ambient

F. Kowsary; A. Pourshaghaghy

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Temperature development in pipe flow with uniform surface heat flux condition considering thermal leakage to the ambient

机译：考虑到向周围环境的热泄漏，在均匀表面热通量条件下的管道流动中的温度发展

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A practical analytical model for the classical pipe flow problem with constant wall heat flux is presented in which leakage of the heat flux to the ambient is taken into account. The results obtained by the model show that the bulk temperature tends to a limiting value (i.e. does not rise linearly as in the classical constant heat flux problem). A value for the generating heat flux is obtained for which the temperature of the fluid and tube surface remains constant, while there is generated heat over the tube. Also, the analytical solution yields a stationary length for the tube beyond which the change in the fluid temperature is insignificant.

机译：提出了具有恒定壁热通量的经典管道流动问题的实用分析模型，其中考虑了热通量向周围环境的泄漏。该模型获得的结果表明，总体温度趋于极限值（即，不像经典的恒定热通量问题那样呈线性上升）。获得用于产生热通量的值，对于该值，流体和管表面的温度保持恒定，同时在管上产生热量。同样，分析溶液会产生管子的固定长度，在此长度之上，流体温度的变化不明显。

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来源
《Energy Conversion & Management》 |2007年第8期|2382-2385|共4页
作者
F. Kowsary; A. Pourshaghaghy;
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作者单位

Department of Mechanical Engineering, Faculty of Engineering, University of Tehran, Tehran, Iran;

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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
中图分类能源与动力工程;
关键词
classical pipe flow; constant wall heat flux; leakage of heat flux to ambient;

机译：经典管道流量;恒定的壁热通量;热流泄漏到周围环境;

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Temperature development in pipe flow with uniform surface heat flux condition considering thermal leakage to the ambient

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