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首页> 外文期刊>Heat Transfer Engineering >Experimental Investigation of Crystallization Fouling on Grooved Stainless Steel Surfaces During Convective Heat Transfer
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Experimental Investigation of Crystallization Fouling on Grooved Stainless Steel Surfaces During Convective Heat Transfer

机译:对流换热过程中沟槽不锈钢表面结晶垢的实验研究

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摘要

The beneficial aspects of enhanced or extended heat transfer surfaces may be offset if operated under fouling conditions. In this article, preliminary experimental results for crystallization fouling of CaSO_4 solutions onto surfaces with different structures are reported. Flat stainless steel plates (50 mm × 59 mm) with "V"-shaped grooves on the side of fluid flow were used as heat transfer surfaces. Experiments were carried out under both clean and fouling conditions to discern how the same surface structures perform under such circumstances. In addition, the impact of both the direction of grooves with respect to fluid flow (crossed, longitudinal, and mixed flow grooves) and the groove dimensions has also been investigated. Fouling trends are discussed in terms of induction time and fouling rate. Significant differences have been found for the various flow conditions.
机译:如果在结垢条件下操作,则可以抵消增强或扩展的传热表面的有益方面。在本文中,报道了CaSO_4溶液在具有不同结构的表面上结晶结垢的初步实验结果。流体流动侧带有“ V”形凹槽的不锈钢平板(50 mm×59 mm)用作传热表面。实验是在清洁和结垢条件下进行的,以识别相同的表面结构在这种情况下的性能。此外,还研究了凹槽方向相对于流体流动(交叉,纵向和混合流动凹槽)和凹槽尺寸的影响。根据诱导时间和结垢率讨论结垢趋势。已发现各种流动条件之间的显着差异。

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