COMBINED TWISTED TAPE AND NANOFLUIDS IMPROVEMENT HEAT TRANSFER TECHNIQUES IN HEAT EXCHANGERS: REVIEW ARTICLE

Kadhum Audaa Jehhef (), Faris Ali Badawy and Nisreen Mezher Rahmah
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Kadhum Audaa Jehhef: Middle Technical University, Technical Engineering College-Baghdad, Baghdad, Iraq
Faris Ali Badawy: Institute of Technology, Department of Mechanical Power, Middle Technical University, Baghdad\Iraq.
Nisreen Mezher Rahmah: University of Almustansiriya, Mechanical Engineering Department, Baghdad-Iraq

Acta Mechanica Malaysia (AMM), 2024, vol. 7, issue 2, 85-90

Abstract: Recently, the nanofluid using has led to development of enhanced heat transmission. A nanofluid is a kind of fluid made by dispersing 100 nm-sized metal, oxide, or carbide nanoparticles into water, ethylene glycol, or oil. The ultimate goal of the analysis is to identify the best way to modify twisted tape inserts while maintaining the ideal nanoparticle volume fraction for the turbulent flow regime. Lastly, several issues including pressure drop and agglomeration that need to be resolved for further study are covered. This review article presents a number of numerical and experimental studies that looked into effects of nanoparticles usage in hybrid and single nanofluid to enhance heat rate in heat exchangers of double pipe type, taking into account nature the heat exchange process and the relative directions of motion of the fluids (counter and parallel flow). This article discussed the important system’s efficiency factors as the concentrations of nanoparticles, the Re, and the inserts configurations of, and summarized 41 papers published between 2000 and 2023 on the nanofluid improvement with inserts.

Keywords: heat exchanger; nanofluid; inserts; twisted tape (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:zib:zbnamm:v:7:y:2024:i:2:p:85-90

DOI: 10.26480/amm.02.2024.85.90

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