Modeling cooling tower fouling in helical-rib tubes based on Von-Karman analogy
Modeling cooling tower fouling in helical-rib tubes based on Von-Karman analogy
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基于冯卡门类比对螺旋肋管中的冷却塔污垢进行建模
DOI:
10.1016/j.ijheatmasstransfer.2010.02.034
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发表时间:
2010-06
影响因子:
5.2
通讯作者:
Li, Guanqiu
中科院分区:
文献类型:
--
作者:
Li, Wei;Li, Guanqiu
This paper provides an analysis on cooling tower fouling data taken in seven 15.54mm I.D. helically ribbed, copper tubes at Re=16,000. The geometric parameters include number of rib starts, helix angle, and height. A series of semi-theoretical fouling correlations as a function of the product of area indexes and efficiency indexes are developed. The mass transfer coefficient is calculated by the Von-Karman analogy. The wall shear stress is obtained from the pressure drop. The correlations and the analyses can be used directly to assess the fouling potential of helical-rib in actual cooling water systems.
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