Feasibility review of using copper oxide nanofluid to improve heat transfer in the double-tube heat exchanger

IF 6 Q1 ENGINEERING, MULTIDISCIPLINARY Results in Engineering Pub Date : 2024-10-28 DOI:10.1016/j.rineng.2024.103227
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Abstract

Many industrial, sanitary, and food applications use double-tube heat exchangers, prompting researchers and developers to focus on improving their thermal performance. Researchers often enhance thermal performance using either passive or active methods, or sometimes both. An approach to improving thermal performance is using nanofluids instead of conventional fluids because of their superior thermophysical properties. This article provides a comprehensive review of the double-tube heat exchanger (DTHX) using CuO nanofluid in its various configurations. Additionally, this article presents all the mathematical equations and correlations necessary for evaluating the parameters of a DTHX, both in the case of parallel and counterflow scenarios. This article also provides a comprehensive overview of nanofluids, their preparation methods, their thermophysical property calculations, and the factors that influence their performance. The review showed that CuO nanofluid is very good at improving heat transfer of the DTHX. The improvement is even better when it is used with other methods of improvement, like twisted tapes, even though the pressure drop goes up because of friction with the tube's surface. Finally, under similar conditions, CuO nanofluid clearly outperforms most oxide-based nanofluids. This improvement can reduce power consumption and reduce the DTHX size.
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使用纳米氧化铜流体改善双管换热器传热的可行性研究
许多工业、卫生和食品应用领域都使用双管热交换器,这促使研究人员和开发人员关注如何提高其热能性能。研究人员通常采用被动或主动方法来提高热性能,有时也会同时采用这两种方法。提高热性能的一种方法是使用纳米流体代替传统流体,因为纳米流体具有优异的热物理性能。本文全面综述了各种配置下使用 CuO 纳米流体的双管热交换器(DTHX)。此外,本文还介绍了在并流和逆流情况下评估 DTHX 参数所需的所有数学公式和相关性。本文还全面概述了纳米流体、其制备方法、热物理性质计算以及影响其性能的因素。综述显示,CuO 纳米流体能很好地改善 DTHX 的热传递。如果将其与其他改进方法(如扭曲带)一起使用,尽管由于与管道表面的摩擦会导致压降上升,但改进效果会更好。最后,在类似条件下,CuO 纳米流体明显优于大多数氧化物基纳米流体。这种改进可以降低功耗并减小 DTHX 的尺寸。
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来源期刊
Results in Engineering
Results in Engineering Engineering-Engineering (all)
CiteScore
5.80
自引率
34.00%
发文量
441
审稿时长
47 days
期刊最新文献
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