ANALYSIS OF LOCAL SHELLSIDE HEAT AND MASS TRANSFER IN THE SHELL-AND-TUBE HEAT EXCHANGER WITH DISC-AND-DOUGHNUT

H.LI; V.KOTTKE

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ANALYSIS OF LOCAL SHELLSIDE HEAT AND MASS TRANSFER IN THE SHELL-AND-TUBE HEAT EXCHANGER WITH DISC-AND-DOUGHNUT

机译：盘管式换热器壳管式换热器的局部壳层传热及传质分析

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A mass transfer measuring technique is used to visualize and determine the shellside local heat transfer coefficients at each tube in two representative baffle compartments of a shell-and-tube heat exchanger with disc-and-doughnut baffles. The fluid flow adjacent to the tube is analysed and the heat transfer in the zones of separated flow discussed. The shellside flow distribution is determined through the measurements of the local pressure drop in the baffle-tube and baffle-shell clearances. Compared to the single-segmental baffle, the disc-and-doughnut baffles have a higher effectiveness of heat transfer to pressure drop. This investigation presents also per-tube and per-compartment averaged heat transfer coefficients.

机译：传质测量技术用于可视化和确定带有圆盘和甜甜圈挡板的管壳式热交换器的两个代表性挡板隔室中每个管壳的壳侧局部传热系数。分析与管相邻的流体流，并讨论分离流区域中的热传递。通过测量挡板管和挡板壳间隙中的局部压降来确定壳侧流量分布。与单段式挡板相比，圆盘和甜甜圈式挡板的传热效率更高。该研究还提出了每管和每隔室的平均传热系数。

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《International Journal of Heat and Mass Transfer》 |1999年第18期|3509-3521|共13页
作者
H.LI; V.KOTTKE;
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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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ANALYSIS OF LOCAL SHELLSIDE HEAT AND MASS TRANSFER IN THE SHELL-AND-TUBE HEAT EXCHANGER WITH DISC-AND-DOUGHNUT

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