Fouling of enhanced tubes for condensers used in cooling tower systems: A literature review
Fouling of enhanced tubes for condensers used in cooling tower systems: A literature review
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DOI：
10.1016/j.applthermaleng.2015.01.014
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发表时间：
2015-03
影响因子：
6.4
通讯作者：
Chao Shen;C. Cirone;A. Jacobi;Xin-lei Wang
中科院分区：
文献类型：
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作者：
Chao Shen;C. Cirone;A. Jacobi;Xin-lei Wang
本文综述了冷却塔强化传热管结垢的实验研究和模型开发。强化管由于其优越的上级传热性能，在暖通空调和制冷行业得到了广泛的应用。然而，传热表面上的污垢显著地影响性能。在典型的冷却塔操作温度下，由通过冷却塔循环的水冷却的冷凝器中的结垢由沉淀和颗粒结垢机制主导。管的几何形状、冷却水的结垢潜力和水速度是影响这些结垢机制的主要参数。对颗粒和沉淀污垢的实验研究进行了详细的总结和分析，包括强化管的几何形状的影响，以及在实验室中创建所需水质的测试冷却水的方法。对目前冷却水塔系统中强化管的颗粒污垢和沉淀污垢模型进行了讨论和总结。进一步的要求，本文确定，以开发一个可靠的污垢模型，预测污垢热阻的强化管在冷却水塔的应用。
A literature review on the fouling of enhanced tubes in cooling tower systems is presented, including experimental studies and model development. Enhanced tubes have been used widely in the HVAC&R industry, because of their superior heat transfer performance. However, fouling on the heat transfer surface affects the performance significantly. Fouling in a condenser cooled by water circulating through a cooling tower, at typical cooling tower operating temperatures, is dominated by precipitation and particulate fouling mechanisms. The geometry of tubes, the fouling potential of the cooling water, and the water velocity are the dominant parameters that affect these fouling mechanisms. Experimental studies of particulate and precipitation fouling are summarized and analyzed in detail, including the effects of geometries of enhanced tubes, and a method to create the test cooling water at required water quality in the laboratory. Current particulate and precipitation fouling models for enhanced tubes in the application of cooling water tower systems are discussed and summarized. Further requirements are identified in this paper in order to develop a reliable fouling model to predict the fouling thermal resistance on the enhanced tubes in the application of cooling water towers.