Comprehensive Review on Non-Newtonian Nanofluids, Preparation, Characterization, and Applications

International Journal of Thermofluids, Journal Year: 2024, Volume and Issue: 22, P. 100705 - 100705

Published: May 1, 2024

Nanofluids, comprising nanoparticles and a base fluid, have captured substantial interest due to remarkable enhancements in thermal conductivity other crucial thermophysical properties. These advancements facilitate diverse applications across various industrial processes, including biomedical drug research. This review centers on non-Newtonian nanofluids, which diverge from Newton's law of viscosity, rendering them more adaptable versatile. Through comprehensive examination the latest research, preparation methods, both one-step two-step techniques, their formulations oil-based, water-based, ethylene glycol-based solutions are systematically explored. The study synthesizes findings that highlight significant improvements heat transfer efficiency introduces novel sectors, such as engineering energy systems. Furthermore, an in-depth characterization nanofluids is provided, covering rheological, dispersion, transport, magnetic, optical, radiative fluids increasingly utilized exchangers, automotive radiators, engines, solar collectors, electronic coolants, demonstrating broad spectrum practical applications. shows ongoing challenges primarily centered preparation, stability, commercialization nanofluids. Conclusively, paper underscores potential revolutionize technological areas advocates for continued research develop stable efficient formulations, paving way innovative scientific

Language: Английский

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Continuum Flow Model of MHD Casson Nanofluid over a Rotating Disk with Multiple Slips

Partial Differential Equations in Applied Mathematics, Journal Year: 2025, Volume and Issue: unknown, P. 101068 - 101068

Published: Jan. 1, 2025

Language: Английский

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Impact of Micropolar Effects on Nanofluid Flow Between Two Disks

International Journal of Thermofluids, Journal Year: 2025, Volume and Issue: unknown, P. 101050 - 101050

Published: Jan. 1, 2025

Language: Английский

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Effects of viscous and Joule dissipation on hydromagnetic hybrid nanofluid flow over nonlinear stretching surface with Hamilton-Crosser model

Case Studies in Thermal Engineering, Journal Year: 2024, Volume and Issue: unknown, P. 105125 - 105125

Published: Sept. 1, 2024

Language: Английский

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Heat transfer model analysis of fractional Jeffery-type hybrid nanofluid dripping through a poured microchannel

International Journal of Thermofluids, Journal Year: 2024, Volume and Issue: 22, P. 100656 - 100656

Published: April 8, 2024

This study investigates the impact of coupled heat and mass transfer on peristaltic migration a magnetohydrodynamic (MHD) stress-strain Jeffery-type hybrid nanofluid flowing through an inclined asymmetric micro-channel with porous medium. The fundamental two-dimensional momentum energy transport equations are simplified under assumptions long wavelength low Reynolds number. To solve problems, two advanced fractional derivative approaches employed: fractal integral Prabhakar derivative. pressure difference is determined using numerical integration techniques, such as Stehfest Tzou's algorithms. results presented graphs tables, which illustrate effects various parameters velocity, transfer, trapping phenomena. As result, we concluded that, gradients grow higher numbers channel-inclined angles. rate observed to decrease Darcy number orientation electromagnetic field increase. When comparing approaches, operator exhibits more significant profiles compared operator. attributed distinct characteristics kernels associated each definition. Furthermore, when nanofluids, water-based (H2O + Ag TiO2) fluids have somewhat effect than (C6H9NaO7 nanofluids.

Language: Английский

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Effect of multi ferrites nanoparticles added Terminalia bellirica biodiesel on diesel engine: Combustion, performance, and emission studies

International Journal of Thermofluids, Journal Year: 2024, Volume and Issue: 22, P. 100652 - 100652

Published: April 4, 2024

The objective of current investigation is to assess the diesel engine performance, combustion, and emissions fueled with bismuth ferrite codoped zinc manganese (BZnFMO) nanoparticles dispersed Terminalia bellirica biodiesel. BZnFMO were uniformly in B20 together surfactant dispersant at a concentration 50 ppm 75 ppm, respectively, stability was evaluated by UV photo spectroscopy. In addition, experimental analysis all nano-fuel samples tested on engines different injection timing (i.e. 21obTDC, 23obTDC 25obTDC). addition led an improvement performance combustion properties while simultaneously reducing emissions. dispersion significant cylinder pressure (CP), cumulative heat release rate (CHRR), rise (RoPR) brake thermal efficiency (BTE), specific fuel consumption (BSFC), carbon monoxide (CO), unburnt hydrocarbons (UHC), nitrogen oxides (NOx) smoke opacity. increase also characteristics, as well reduction emissions, exception NOx. At 25obTDC, CP 71.14 bar, CHRR 3.27 J/°CA RoPR 5.3 bar/°CA found, BTE BSFC 35.03% 0.391 kg/kWh, respectively for B20+75 BZnFMO+75 TWEEN 80. values CO, UHC, NOx, opacity 0.01%, 22 826 35.85% respectively.

Language: Английский

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A numerical study on nanoparticles shape effects in modulating heat transfer in silver-water nanofluid over a polished rotating disk

International Journal of Thermofluids, Journal Year: 2024, Volume and Issue: 22, P. 100666 - 100666

Published: April 15, 2024

Investigations of mechanical and thermodynamic aspects related to flows induced by rotating disks are paramount importance, given their widespread application in various industrial processes. Keeping this mind, the present study examines influences nanoparticles shape on heat transfer for silver-water nanofluid flow over a polished disk. The nanofluid's viscosity demonstrates dependence upon temperature volume fraction, considering both cylindrical spherical type nanoparticles. disk surface proposes velocity thermal slip at interface. mathematical model also accounts generation/absorption along with aforementioned aspects. Reduction governing system through 'similarity transformations is carried out. resulting equations solved numerically using built-in numerical solver NDSolve Mathematica. Outcomes reveal that variations due not only impact skin friction but Nusselt number flow. Another noteworthy result reduced wear tear attributed higher friction, which can be further mitigated enhancing parameter. Notably, uncovers different impacts nanoparticles, advancing understanding mechanics disc flows. Cylindrical exhibit distinct behaviors within This cautions engineers carefully select geometries optimize performance based specific requirements applications. Understanding these geometry-dependent effects essential designing efficient systems.

Language: Английский

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A sustainable approach for the preparation and stability of mono and hybrid nanofluids in the milling of Nickel based superalloy

Journal of Cleaner Production, Journal Year: 2024, Volume and Issue: 467, P. 143015 - 143015

Published: June 26, 2024

Language: Английский

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Applying knowledge management in optimal modeling of viscosity of nanofluids by response surface methodology for use in automobiles engine

Materials Today Communications, Journal Year: 2024, Volume and Issue: 39, P. 108897 - 108897

Published: April 10, 2024

Language: Английский

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Optimizing membrane reactor structures for enhanced hydrogen yield in CH4 tri-reforming: Insights from sensitivity analysis and machine learning approaches

International Journal of Thermofluids, Journal Year: 2024, Volume and Issue: 22, P. 100690 - 100690

Published: May 1, 2024

This study explores the optimization of membrane reactor configurations to enhance hydrogen production through CH4 tri-reforming. The investigation employs ceramic membranes for oxygen, vapor, and carbon dioxide distribution within bed. A differential evolution algorithm is utilized alongside cuckoo search (CSA) support vector regression (SVR) determine optimal values O2/CH4, H2O/CH4, CO2/CH4 ratios, thickness, shell pressure, with yield as objective function. Results demonstrate that oxygen achieves highest yield, reaching 2.02 1.75 direct methanol synthesis Fischer-Tropsch processes, respectively, representing a 7.98% 10.03% increase compared conventional tri-reforming reactor. Furthermore, CSA SVR emerge invaluable tools, facilitating robust predictive modeling. efficiently navigates complex solution spaces identify parameters, while accurately models relationships between input variables yield. Incorporating these methodologies enhances effectiveness design gas production. contributes advancements in clean energy technologies by providing insights into efficient methods using reactors.

Language: Английский

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