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Incorporation of surface energy properties into general crystallization fouling model for heat transfer surfaces

机译：将表面能特性掺入传热表面普通结晶污垢模型中

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Crystallization fouling models for heat transfer surfaces are indispensable to provide reliable prediction of fouling behavior that would, in turn, facilitate the optimal design and operation of heat exchangers. Nonetheless, most previous models exclude surface properties in terms of surface energy and its components despite many studies confirmed otherwise. In this study, a general fouling model is developed which includes surface energy and its components. Primarily, the surface properties are incorporated into the work of adhesion. Thereafter, these properties, via a force balance, are corresponded to the shear strength of deposit in terms of removal rate. The model predicts that the shear strength of CaSO4 deposit and its adhesion on various coatings would be decreased up to 66% and 91% compared to the untreated surface, respectively. Finally, the validity of the proposed model is examined against the experimental results of CaSO4 crystallization fouling which resulted in good agreement. (C) 2019 Elsevier Ltd. All rights reserved.
机译：用于传热表面的结晶污垢模型是不可或缺的，可以提供对污垢行为的可靠预测，依次促进热交换器的最佳设计和操作。尽管如此，尽管有许多研究另有证实，但最先前的模型在表面能量和其组件方面排除了表面性质。在这项研究中，开发了一般的污垢模型，其包括表面能和其部件。主要是，表面性质掺入粘合性的工作中。此后，通过力平衡，这些性能与去除率的沉积物的剪切强度相对应。该模型预测，与未处理的表面相比，CasO4沉积物及其对各种涂层上的粘合性的剪切强度将降低至66％和91％。最后，针对Caso4结晶污垢的实验结果检查了所提出的模型的有效性，导致良好的一致性。 （c）2019年elestvier有限公司保留所有权利。

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