Modeling cooling tower fouling in helical-rib tubes based on Von-Karman analogy

Wei Li; Guanqiu Li

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Modeling cooling tower fouling in helical-rib tubes based on Von-Karman analogy

机译：基于Von-Karman类比的螺旋肋管冷却塔积垢建模

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This paper provides an analysis on cooling tower fouling data taken in seven 15.54 mm I.D. helically ribbed, copper tubes at R_e = 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.

机译：本文提供了对七个内径为15.54 mm的冷却塔结垢数据的分析。 R_e = 16,000的螺旋肋状铜管。几何参数包括肋起点的数量，螺旋角和高度。根据面积指数和效率指数的乘积，开发了一系列的半理论污垢相关性。传质系数是通过冯-卡曼（Von-Karman）类比计算得出的。从压力降获得壁面剪应力。相关性和分析结果可直接用于评估实际冷却水系统中螺旋肋的结垢可能性。

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来源
《International Journal of Heat and Mass Transfer》 |2010年第14期|2715-2721|共7页
作者
Wei Li; Guanqiu Li;
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作者单位

Department of Energy Engineering, Zhejiang University, Hangzhou City 310027, PR China;

Department of Energy Engineering, Zhejiang University, Hangzhou City 310027, PR China;

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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
关键词
cooling tower fouling; enhanced tubes; turbulent flow; mass transfer coefficient; von-karman analogy; secondary flow;

机译：冷却塔结垢;增强管;湍流;传质系数von-karman类比;二次流;

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专利

1. The Performances of Internal Helical-Rib Roughness Tubes Under Fouling Conditions: Practical Cooling Tower Water Fouling and Accelerated Particulate Fouling [J] . Wei Li Journal of Heat Transfer . 2003,第4期

机译：结垢条件下内部螺旋肋式粗糙度管的性能：实用的冷却塔水结垢和加速颗粒结垢
2. ANALYSIS OF COOLING TOWER FOULING IN ENHANCED TUBES BASED ON THE PRANDTL ANALOGY [J] . Wei Li, Guan-Qiu Li, Zhi-Ke Wang, Journal of enhanced heat transfer . 2011,第6期

机译：基于Prandtl相似度的增强管冷却塔的故障分析
3. Modeling oscillatory fouling in enhanced tubes in cooling tower systems [J] . Jie Wu, Zhengjiang Zhang, Lin Cheng, Heat and mass transfer . 2011,第5期

机译：在冷却塔系统的增强管中模拟振荡结垢
4. SEMI-THEORETICAL MODELING OSCILLATORY FOULING IN ENHANCED TUBES IN COOLING TOWER SYSTEMS [C] . Wei Li ASME(American Society of Mechanical Engineers)/JSME(Japanese Society of Mechanical Engineers) Thermal Engineering Summer Heat Transfer Conference 2007 . 2007

机译：冷却塔系统中增强管的半理论建模振动性
5. An analysis of water for water-side fouling potential inside smooth and augmented copper alloy condenser tubes in cooling tower water applications. [D] . Tubman, Ian. 2003

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6. Application and analysis of a model based controller for cooling towers in compression chiller plants [O] . Parantapa Sawant, Eric Ho, Jens Pfafferott 2020

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7. A complete model of wet cooling towers with fouling in fills [O] . QURESHI BILAL AHMED, ZUBAIR SYED M. 100

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8. Studies on Mathematical Models for Characterizing Plume and Drift Behavior From Cooling Towers Volume 2:Mathematical Model for Single-Source (Single-Tower) Cooling Tower Plume Dispersion [R] . 1981

机译：表征冷却塔羽流和漂移行为的数学模型研究第2卷：单源（单塔）冷却塔羽流分散的数学模型

Modeling cooling tower fouling in helical-rib tubes based on Von-Karman analogy

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