Application of nanofluids for performance improvement of plate heat exchangers: A comprehensive review

IF 4.1 2区综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES

iScience Pub Date : 2025-10-17 DOI:10.1016/j.isci.2025.113532

Farhan Lafta Rashid , Najah M.L. Al Maimuri , Karrar A. Hammoodi , Muhammad Asmail Eleiwi , Issa Omle , Abdullah Musaab Mousa Alsayyad , Saif Ali Kadhim , Ephraim Bonah Agyekum , Mohamed Bechir Ben Hamida

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引用次数: 0

Abstract

The demand for efficient thermal management in industries has driven research into nanofluids (NFs) as potential replacements for conventional heat transfer fluids (HTFs) in plate heat exchangers (PHEs). A key challenge is achieving higher heat transfer rates (HTRs) while minimizing pressure drop, which is crucial for improving energy efficiency in industrial processes. NFs are categorized into two types: simple (mono) NFs, such as single-walled (SWCNTs) and multi-walled carbon nanotubes (MWCNTs) dispersed in base fluids, and hybrid NFs, which combine multiple nanoparticles to enhance performance. Studies show that mono NFs improve thermal conductivity, increasing heat transfer coefficients by 6.18%–16.79%. However, their high viscosity and pressure drop remain challenges. In contrast, hybrid NFs demonstrate superior thermal performance, with heat transfer coefficient improvements of up to 39.16% and only a slight increase in pumping power. This suggests they offer an optimal balance between heat transfer enhancement and operational cost efficiency. Critical factors influencing performance include operating parameters, particle concentration, inlet temperature, and flow rate. Future research should explore nanoparticle shape and size through experimental and numerical studies, along with long-term stability and cost-effectiveness in industrial applications. Addressing these areas could unlock NFs' potential to revolutionize heat exchanger technology, leading to more efficient and sustainable thermal systems.

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纳米流体在板式换热器性能改善中的应用综述

工业对高效热管理的需求推动了纳米流体（NFs）作为板式换热器（PHEs）中传统传热流体（HTFs）的潜在替代品的研究。一个关键的挑战是实现更高的传热率（htr），同时最大限度地减少压力降，这对于提高工业过程的能源效率至关重要。NFs分为两种类型：一种是简单（单）NFs，如分散在基液中的单壁（SWCNTs）和多壁碳纳米管（MWCNTs）；另一种是混合型NFs，即结合多种纳米颗粒以增强性能。研究表明，单NFs改善了导热性，传热系数提高了6.18%-16.79%。然而，它们的高粘度和高压降仍然是挑战。相比之下，混合动力NFs表现出更好的热性能，传热系数提高了39.16%，而泵送功率仅略有增加。这表明它们在传热增强和运营成本效率之间提供了最佳平衡。影响性能的关键因素包括操作参数、颗粒浓度、入口温度和流量。未来的研究应该通过实验和数值研究来探索纳米颗粒的形状和大小，以及在工业应用中的长期稳定性和成本效益。解决这些问题可以释放NFs的潜力，彻底改变热交换器技术，从而实现更高效和可持续的热系统。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

iScience Multidisciplinary-Multidisciplinary

CiteScore

7.20

自引率

1.70%

发文量

1972

审稿时长

6 weeks

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