Thermal and Flow Characteristics of Alumina Nanofluids in Microfluidic Systems: A Low-Concentration Study DOI Creative Commons

Lingenthiran Samylingam,

Navid Aslfattahi, K. Kadirgama

и другие.

Journal of Advanced Research in Numerical Heat Transfer, Год журнала: 2024, Номер 28(1), С. 131 - 144

Опубликована: Дек. 18, 2024

Microfluidic technologies and nanofluids represent a synergistic combination with significant potential for enhancing heat transfer thermal management applications. This study investigates the flow characteristics of 0.001 wt.% alumina (Al₂O₃)-water nanofluid within custom-designed serpentine microfluidic channel. The was prepared characterized its conductivity, viscosity, specific heat, density. Experimental studies, supplemented by numerical simulations, were conducted to evaluate fluid's behavior under controlled conditions. Results indicated slight increase in conductivity Al₂O₃ compared pure water, increments ranging from 0.16% at 20°C 0.30% 80°C, attributed enhanced Brownian motion nanoparticles. Viscosity measurements revealed marginal increases, suggesting minimal impact on fluid dynamics. experiments demonstrated consistent pressure gradient laminar regime, essential precise control efficient management. Temperature contours showed effective dissipation, steady inlet outlet. concludes that low-concentration can enhance performance systems without significantly affecting characteristics, making them suitable applications requiring such as electronic cooling chemical reactions. These findings provide foundation future research into higher nanoparticle concentrations different base fluids, aimed optimizing properties environments. integration holds promise advancing reliability next-generation systems.

Язык: Английский

Nanofluids for Advanced Applications: A Comprehensive Review on Preparation Methods, Properties, and Environmental Impact DOI Creative Commons
Izzat Razzaq, Xinhua Wang, Ghulam Rasool

и другие.

ACS Omega, Год журнала: 2025, Номер 10(6), С. 5251 - 5282

Опубликована: Фев. 3, 2025

Nanofluids, an advanced class of heat transfer fluids, have gained significant attention due to their superior thermophysical properties, making them highly effective for various engineering applications. This review explores the impact nanoparticle integration on thermal conductivity, viscosity, and overall performance base highlighting improvements in systems, such as exchangers, electronics cooling, PV/T CSP technologies, geothermal recovery. Key mechanisms nanolayer formation, Brownian motion, aggregation are discussed, with a focus hybrid nanofluids that show enhanced conductivity. The increase viscosity poses trade-off, necessitating careful control properties optimize while reducing energy consumption. Empirical data up 123% convective coefficients, demonstrating tangible benefits efficiency system miniaturization. also considers environmental impacts nanofluid use, potential toxicity challenges sustainable production disposal. Future research directions include developing specific integrating phase change materials, exploring new nanomaterials metal chalcogenides enhance sustainability management systems.

Язык: Английский

Процитировано

2
Effect of nanofluids-PCM heat exchanging on engine downsizing and heat transfer enhancement via the heat engine's cooling system: A novel saving tactic DOI
Kareem Emara, Ahmed Mahfouz M.M. Abd-Elgawad, Ahmed Emara

и другие.

Journal of Energy Storage, Год журнала: 2025, Номер 117, С. 115815 - 115815

Опубликована: Март 13, 2025

Язык: Английский

Процитировано

1
Melting and energy storage performance enhancement of rectangular cavity with metal foam by nano-PCM and recessed/protruding dimpled fin wall DOI
Emrehan Gürsoy

Journal of Energy Storage, Год журнала: 2025, Номер 119, С. 116327 - 116327

Опубликована: Март 25, 2025

Язык: Английский

Процитировано

0
Experimental Evaluation of a Novel Photovoltaic Thermal System: Energy, Economic, and Exergy-Based Sustainability Analysis DOI Creative Commons
Hariam Luqman Azeez, Adnan Ibrahim,

Banw Omer Ahmed

и другие.

Case Studies in Thermal Engineering, Год журнала: 2025, Номер unknown, С. 106167 - 106167

Опубликована: Апрель 1, 2025

Язык: Английский

Процитировано

0
Thermal and Flow Characteristics of Alumina Nanofluids in Microfluidic Systems: A Low-Concentration Study DOI Creative Commons

Lingenthiran Samylingam,

Navid Aslfattahi, K. Kadirgama

и другие.

Journal of Advanced Research in Numerical Heat Transfer, Год журнала: 2024, Номер 28(1), С. 131 - 144

Опубликована: Дек. 18, 2024

Microfluidic technologies and nanofluids represent a synergistic combination with significant potential for enhancing heat transfer thermal management applications. This study investigates the flow characteristics of 0.001 wt.% alumina (Al₂O₃)-water nanofluid within custom-designed serpentine microfluidic channel. The was prepared characterized its conductivity, viscosity, specific heat, density. Experimental studies, supplemented by numerical simulations, were conducted to evaluate fluid's behavior under controlled conditions. Results indicated slight increase in conductivity Al₂O₃ compared pure water, increments ranging from 0.16% at 20°C 0.30% 80°C, attributed enhanced Brownian motion nanoparticles. Viscosity measurements revealed marginal increases, suggesting minimal impact on fluid dynamics. experiments demonstrated consistent pressure gradient laminar regime, essential precise control efficient management. Temperature contours showed effective dissipation, steady inlet outlet. concludes that low-concentration can enhance performance systems without significantly affecting characteristics, making them suitable applications requiring such as electronic cooling chemical reactions. These findings provide foundation future research into higher nanoparticle concentrations different base fluids, aimed optimizing properties environments. integration holds promise advancing reliability next-generation systems.

Язык: Английский

Процитировано

0