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Thermoeconomic optimization of baffle spacing for shell and tube heat exchangers

机译:管壳式热交换器的折流板间距的热经济学优化

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摘要

Despite the importance of thermoeconomic analysis in shell and tube heat exchanger design, the determination of the optimum baffle spacing by using the thermoeconomic analysis is usually neglected. On the other hand, baffle spacing is one of the most important parameters used in the design of shell and tube heat exchangers, and there is no precise criterion for the determination of baffle spacing in the literature. In this study, thermoeconomic analysis is used to determine the optimum baffle spacing, accompanied by an example of such an optimization of baffle spacing for a shell and tube heat exchanger. The results of this example are then used to demonstrate how the optimum ratio of baffle spacing to shell diameter is determined precisely and affected by the varying values of the geometrical parameters. Finally, the results are compared to those obtained by classical approaches.
机译:尽管在管壳式换热器设计中进行热经济学分析很重要,但通常忽略了通过使用热经济学分析来确定最佳折流板间距。另一方面,折流板间距是在管壳式换热器设计中使用的最重要的参数之一,并且在文献中没有确定折流板间距的精确标准。在这项研究中,通过热经济分析来确定最佳的挡板间距,并附带了管壳式热交换器的最佳挡板间距的示例。然后,该示例的结果用于说明如何精确确定折流板间距与壳体直径的最佳比例,以及如何受到几何参数变化值的影响。最后,将结果与经典方法获得的结果进行比较。

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