SIMULATION OF THE HEAT TRANSFER TO A LAMINAR FLOW IN A PRIMIX STATIC MIXER

机译：PRIMIX静态混合器中层流传热的模拟

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The heat transfer from the wall to the process fluid in a PRIMIX helical static mixer has been investigated using numerical simulations. The flow is in the laminar regime, Re = 7 to 18. The simulations concentrate on heat transfer from a heated wall to the process fluid. Two different mixers are examined. A conventional one in which the elements are not connected to the wall of the tube and a special one, in which the elements are soldered to the tube wall. In the latter case the heat transfer is enhanced by about 23% which is attractive when dealing with fluids with a low thermal conductivity. The results of the numerical simulations are compared to experiments, both with soldered and without soldered elements. The comparison is good, showing the capabilities of numerical simulations for studying and opti-mizin" heat transfer in static mixers.

机译：已使用数值模拟研究了在PRIMIX螺旋静态混合器中从壁到工艺流体的热传递。流动处于层流状态，Re = 7至18。模拟集中于从加热壁到过程流体的热传递。检查了两种不同的混合器。常规元件中的一种不连接到管壁，而特殊元件中的一种焊接到管壁上。在后一种情况下，传热提高了约23％，这在处理导热系数低的流体时很有吸引力。数值模拟的结果与有锡和无锡元素的实验进行了比较。比较结果很好，显示了数值模拟在静态混合器中研究和优化“传热”的能力。

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来源
《ASME(American Society of Mechanical Engineers)/JSME Pressure Vessels and Piping Conference: Computational Technologies for Fluid/Thermal/Structural/Chemical Systems with Industrial Applications v.1; 20040725-20040729; San Diego,CA; US》|2004年|P.171-178|共8页
会议地点 San Diego CA(US)
作者
R.F. Mudde; R.J.R. Van der Kleij; R. Beugels;
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作者单位

Kramers Laboratorium voor Fysische Technologie Delft University of Technology Prins Bernhardlaan 6, 2628 BW, Delft, The Netherlands;

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会议组织
原文格式 PDF
正文语种 eng
中图分类几何的应用;理论、方法;
关键词
CFD; static mixer; heat transfer; nusselt number; temperature distribution;

机译：CFD;静态混合器;传热;努塞尔数;温度分布;

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7. Discussion: “Steady Laminar Flow Through Twisted Pipes: Fluid Flow in Square Tubes” and “Steady Laminar Flow Through Twisted Pipes: Heat Transfer in Square Tubes” (Masliyah, J. H., and Nandakumar, K., 1981, ASME J. Heat Transfer, 103, pp. 785–790, 791–796) [O] . Z. G. Xu, D. N. Fan 1984

机译：讨论：“通过扭曲管道流动的稳态流动：方形管中的流体流动”通过扭曲管道的稳定层流：方形管中的热转印“（Masliyah，Jh和Nandakumar，K。，1981，Asme J.传热， 103，PP。785-790,791-796）

SIMULATION OF THE HEAT TRANSFER TO A LAMINAR FLOW IN A PRIMIX STATIC MIXER

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