Recent Achievements in Heat Transfer Enhancement with Hybrid Nanofluid in Heat Exchangers: A Comprehensive Review

IF 2.5 4区 工程技术 Q3 CHEMISTRY, PHYSICAL
Mudhar A. Al-Obaidi, Farhan Lafta Rashid, Musaab K. Rasheed, Hakim S. Sultan Aljibori, Hayder I. Mohammed, Ali Jafer Mahdi, Shabbir Ahmad, Khaled Al-Farhany, Iqbal M. Mujtaba
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Abstract

The potential of hybrid nanofluids to boost thermal efficiency of heat exchanger systems is the focus of this review study. The primary focus is on addressing the associated issues of nanoparticle clumping, system obstruction, and reduced efficacy of heat exchanger due to increased fluid thickness. Accordingly, this review intends to demonstrate the innovative practices (experimentally and theoretically) that helps improving the heat transfer and thermal performance of heat exchangers. In this regard, a critical analysis is conducted to appraise the experimental and numerical simulations, which introduce the impact of different nanoparticle concentrations and compositions on heat exchanger thermal performance. The findings of this review has shown that the hybrid nanofluid of CuO–Cu/water has the greatest thermal performance factor (1.065), following Al2O3–Cu/water (1.055), and Cu–TiO2/water (1.039). Also, the utilization of turbulator heat exchangers has enabled improving the thermal performance by 126 % with a 6 % rise in volume fraction at the maximum Reynolds number. This study underlines the need for further research into novel nanomaterial combinations, fine-tuning of fluid characteristic, and comprehensive stability assessments to enhance the utilization of hybrid nanofluids in heat exchanger systems. Finally, discussions of limitations associated with such systems and proposed potential solutions will lead to a valuable contribution in the possible future development of cost-effective heat exchanger systems.

Abstract Image

Abstract Image

利用混合纳米流体增强热交换器传热的最新成果:全面回顾
混合纳米流体提高热交换器系统热效率的潜力是本综述研究的重点。主要重点是解决纳米颗粒结块、系统阻塞以及因流体厚度增加而导致热交换器效率降低等相关问题。因此,本综述旨在展示有助于改善热交换器传热和热性能的创新实践(实验和理论)。在这方面,本综述对实验和数值模拟进行了批判性分析,介绍了不同纳米粒子浓度和成分对热交换器热性能的影响。研究结果表明,CuO-Cu/水混合纳米流体的热性能系数(1.065)最大,其次是 Al2O3-Cu/水(1.055)和 Cu-TiO2/ 水(1.039)。此外,涡轮热交换器的使用也使热性能提高了 126%,在最大雷诺数下体积分数增加了 6%。这项研究强调了进一步研究新型纳米材料组合、流体特性微调和全面稳定性评估的必要性,以提高混合纳米流体在热交换器系统中的利用率。最后,对与此类系统相关的局限性和潜在解决方案的讨论将为未来开发具有成本效益的热交换器系统做出宝贵贡献。
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来源期刊
CiteScore
4.10
自引率
9.10%
发文量
179
审稿时长
5 months
期刊介绍: International Journal of Thermophysics serves as an international medium for the publication of papers in thermophysics, assisting both generators and users of thermophysical properties data. This distinguished journal publishes both experimental and theoretical papers on thermophysical properties of matter in the liquid, gaseous, and solid states (including soft matter, biofluids, and nano- and bio-materials), on instrumentation and techniques leading to their measurement, and on computer studies of model and related systems. Studies in all ranges of temperature, pressure, wavelength, and other relevant variables are included.
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