Viscous dissipation effects on time-dependent MHD Casson nanofluid over stretching surface: A hybrid nanofluid study

Journal of Molecular Liquids, Journal Year: 2024, Volume and Issue: 408, P. 125370 - 125370

Published: June 26, 2024

Language: Английский

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Heat transfer during discharging of NEPCM through the finned container

Case Studies in Thermal Engineering, Journal Year: 2024, Volume and Issue: 57, P. 104287 - 104287

Published: March 24, 2024

To maximize the efficiency of freezing, combinations using nanoparticles and fins have been utilized in current work. Incorporating nanofluids into solidification processes provides a refined efficient approach to transitioning materials from liquid solid state. Triangular container involving has implemented. The shape fraction were varied this research. derived equations solved via finite element method associated code validated based on prior article. reduction freezing time was presumed as main goal research resource utilization various industries. As greater amount nano-powders is utilized, conduction becomes stronger rate improves about 27%. Also, altering particles applying powders with bigger m can lead by 7%.

Language: Английский

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Thermal assessment of storage unit during solidification in existence of different configuration of nano-powders

Journal of Energy Storage, Journal Year: 2024, Volume and Issue: 88, P. 111561 - 111561

Published: April 6, 2024

Language: Английский

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Incorporating nickel foam with nano-encapsulated phase change material and water emulsion for battery thermal management: Coupling CFD and machine learning

Case Studies in Thermal Engineering, Journal Year: 2024, Volume and Issue: 60, P. 104672 - 104672

Published: June 7, 2024

In recent years, the rise of machine learning (ML) has prompted researchers to expand datasets required for optimizing and designing thermal systems. Also, development widespread use electric vehicles (EVs) have surged significantly. However, one major challenges associated with EVs is efficient cooling Lithium-ion batteries (LIBs). Therefore, exploration innovative methods can contribute greatly rapidly growing vehicle industry. This study focused on investigating impact embedding a nickel porous medium around single 38,120 LiFeO4 cell. To conduct study, LIB, along medium, was placed inside duct that received flow water Nano-encapsulated phase change materials (NEPCMs). The results obtained from indicate media LIB led significant decrease in maximum temperature more than 40 C, remarkable increase pressure drop 100 times. Additionally, it observed porosity 1 0.97 had pronounced effect LIB's surface, compared 0.95.

Language: Английский

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Mathematical analysis of radius and length of CNTs on flow of nanofluid over surface with variable viscosity and joule heating

Heliyon, Journal Year: 2023, Volume and Issue: 9(7), P. e17673 - e17673

Published: June 27, 2023

The transfer of heat is a phenomenon that significant in variety contexts due to the different ways which it may be utilized industrial settings. To increase rate at transferred, carbon nanotubes (CNTs), can either single-wall or multi-walled, are suspended base fluids, and resulting mixture referred as "nanofluid. This study looks how transfers through nanofluids with lengths radii over stretching surface. It also changing viscosity joule heating affect motion. Water taken fluid. both one wall those more than one. flow governed by series partial differential equations, which, control flow, transformed into nonlinear ordinary equations. Similarity transformation used convert obtained equations accompanying boundary conditions form dimensionless. numerically solve equation, RK-4 shooting method used. Graphs in-depth discussions look velocity temperature profiles affected leading variables. expression for skin friction local Nusselt number written down graphs show these two numbers change parameter values. profile goes when down, but up. When magnetic up, f′(η), g(η) θ(η) go up same time. increases addition ϕ S. suction (S = 2.1) 1% used, reported 1.135% Single walled 1.275% Multi Walled nanotubes. determine whether not proposed numerical model legitimate, comparison made between current results have previously been published.

Language: Английский

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Simulations of transient heat transfer within cold-storage unit during solidification incorporating nanomaterial

Journal of Energy Storage, Journal Year: 2024, Volume and Issue: 82, P. 110551 - 110551

Published: Jan. 20, 2024

Language: Английский

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Enhancing heat exchanger performance with perforated/non‐perforated flow modulators generating continuous/discontinuous swirl flow: A comprehensive review

Heat Transfer, Journal Year: 2024, Volume and Issue: 53(8), P. 4364 - 4393

Published: Aug. 5, 2024

Abstract Heat exchangers are crucial in transferring heat and finding applications across various industries. Numerous strategies have been devised to improve optimize the transfer process within these systems. Among these, passive methods garnered significant attention for their ability operate without external power consumption. This article examines recent experimental computational studies conducted by researchers since 2018 on enhancement techniques, especially twisted tape, wire coil, swirl flow generator, others, boost thermal efficiency of aid designers adopting augmentation compact exchangers. Recently, researchers' new class maldistribution devices, referred as has gained attention; which enhances convective introducing into main disrupting boundary layer at tube surface through alterations geometry. Twisted tape inserts devices that demonstrate better performance laminar compared turbulent flow. Conversely, other techniques like ribs, conical nozzles, rings generally more effective than A research trend is utilization nanofluids combination with turbulators, exchangers, can reduce exergy losses overall coefficient effectiveness exchanger.

Language: Английский

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Implicit numerical method for discharging of energy storage curved container in appearance of nanomaterial evaluating performance

Journal of Energy Storage, Journal Year: 2023, Volume and Issue: 60, P. 106570 - 106570

Published: Jan. 11, 2023

Language: Английский

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Thermal improvement of heat exchanger with involve of swirl flow device utilizing nanomaterial

Case Studies in Thermal Engineering, Journal Year: 2023, Volume and Issue: 44, P. 102793 - 102793

Published: Feb. 3, 2023

The main objective of this article is to increase the flow mixing within a tube; in regard, helical tape with external inserts was developed and studied. CuO based nanofluids used as working fluid, novel testing fluid model on previous empirical formulation by three-dimensional (3D) computational dynamic established for velocity, temperature profiles, exergy, irreversibility Reynolds number 5000 20,000. impact were discussed Nu, f, temperature, Sgen. insertion increases Nu f. When Re from 20000, increments about 204.21% without twisted tape. For tapes inserts, 202.87%. With entropy generation reduced 45% at = 7% when increased An increment Nusselt frictional reduction friction factor thermal are observed an number. Consequently, it can be determined that employing heat exchanger decreases exergy losses enhance transfer performance due decrement thickness boundary layer.

Language: Английский

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Thermal analysis of nanofluid flow within porous enclosure with curved hot wall utilizing numerical approach

Case Studies in Thermal Engineering, Journal Year: 2023, Volume and Issue: 45, P. 102923 - 102923

Published: March 17, 2023

Language: Английский

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