Variable viscosity and activation energy aspects in convection heat transfer over gravity driven solar collector plate for thermal energy storage DOI Creative Commons
Nidhal Ben Khedher, Zia Ullah, Mohamed Boujelbene

et al.

Scientific Reports, Journal Year: 2024, Volume and Issue: 14(1)

Published: Nov. 8, 2024

Variable viscosity, activation energy and microgravity effects on Darcy nanofluid for the thermal performance improvement in storage systems through stretching flat plate solar collector is focus of this research. Thermal (TES) can be improved though collectors, phase change materials photovoltaic cells using base liquid. To increase reaction rate nanoparticles, radiations are used efficiency TES. The viscosity improves heat mass transmission. Due to radiations, plays prominent role TES applications such as exchangers, electronic cooling devices power generation collector. Solar based mathematical model developed execute frequency oscillating transfer numerically. Primitive Stokes coefficients feasible programming. Finite difference analysis performed display oscillatory Gaussian-elimination matrix scheme. Steady velocity, surface temperature concentrations plotted utilized formula perform skin friction, along π⁄4 angle. Fluid velocity enhances but concentration variation decreases decreases. High amplitude sketched increases. transmission thermophoretic Brownian motion enhances. Amplitude oscillations transport, friction transport Prandtl Schmidt component In validation results, 0.00064% percentage error 0.00102% deduced.

Language: Английский

Computational analysis of thermal performance of temperature dependent density and Arrhenius-activation energy of chemically reacting nanofluid along polymer porous sheet in high temperature differences DOI Creative Commons
Zia Ullah, Hammad Alotaibi,

Ayesha Akhter

et al.

AIP Advances, Journal Year: 2024, Volume and Issue: 14(6)

Published: June 1, 2024

An innovative technique to improve heat transmission is the use of nanofluids. Nanofluids have a significant thermal conductivity for better transport. For behavior porous polymer sheet, activation energy assessment useful advancement properties polymers. The governing model developed numerical and physical analysis transfer sheets. present converted into smooth format accuracy results. Keller box Newton–Raphson approaches are used calculate numerically. novelty this research depiction temperature distributions chemically reacting thermophoretic nanomaterials along stretching It noted that velocity nanoparticles decreases nanoparticle concentration increases as increases. difference enhanced heating with maximum transportation was depicted under reaction energy. observed mass Brownian motion enhances.

Language: Английский

Citations

8
A comprehensive review on the Dynamical behavior of heat and fluid flow mechanism: Thermal performance across different geometries DOI Creative Commons
Hossam A. Nabwey, Muhammad Ashraf, Zia Ullah

et al.

Partial Differential Equations in Applied Mathematics, Journal Year: 2024, Volume and Issue: 11, P. 100808 - 100808

Published: July 8, 2024

The prominent novelty of current review is to exhibit the fluctuating and oscillatory convective heat transfer properties along various geometries with magnetic force, variable density, Prandtl number, buoyancy force number effects. significance present work illustrate a comprehensive on transient transfer. Transient plays an essential role in technological environmental applications, including climate control, structure safety, engines, thermal computer heating cooling, energy safety. literature primarily focuses steady temperature velocity domains, few studies exploring time-varying fluid flow forced, natural, or mixed mechanisms different methods. In review, justification results was performed by using oscillating stokes conditions directly partial differential models. similarity variables stream functions are used but primitive transformation implicit form finite difference method Gaussian elimination technique through FORTRAN Tecplot-360 programming tools. governing model reduced into steady, real imaginary explore transmission. flows have gained due their ability achieve large rates. Compared movement, higher variations heated surface. Periodic produces improved surface transmission rate than flow. Predicting controlling transients exchangers requires concept forced convection transport. solutions important for ensuring effectiveness reliability electrical components, nuclear power stations, heat-generating steam turbines, condensation systems, catalytic converters, shielding spacecraft, devices, internal combustion air conditioning refrigerator cooling networks batteries, generators, transformers. It found that frequency transport enhances periodic variables. depicted amplitude displayed each choice parameter around two angles π/4 π circular magnetized maximum reported vertical angle π/2 values.

Language: Английский

Citations

5
Bioconvective Casson–Williamson nanoliquid flow past a rough, slender cylinder: inclined magnetic field effect DOI
P. M. Patil, Sunil Benawadi

Multiscale and Multidisciplinary Modeling Experiments and Design, Journal Year: 2025, Volume and Issue: 8(6)

Published: April 29, 2025

Language: Английский

Citations

0
Computational study of heat and mass transfer with Soret/Dufour effects on power-law magneto nanofluid flow along stretching surface DOI Creative Commons
Zia Ullah, Md. Mahbub Alam, Jihad Younis

et al.

AIP Advances, Journal Year: 2024, Volume and Issue: 14(9)

Published: Sept. 1, 2024

The theme of this study is to investigate the theoretical and numerical simulation heat mass transfer magneto hydrodynamic power-law nanofluid flow over a stretching sheet with surface flux Soret/Dufour effects. energy increase temperature concentration differences using impact. similarity transformations were used transform physical problem into non-linear differential equation, equations solved by Keller box technique. magnetic field are incorporated model. transformation was reduce thermal energy, mass, momentum in algebraic systems. impact factors, such as generalized Brownian motion parameter Nb, Dufour Df, Soret Sr, Le, Pr, Lewis Prandtl numbers; thermophoresis Nt on dimensionless functions shown numerically graphically. quantitative relationship between skin friction MATLAB. coefficient Cf, Sherwood number Shx, Nusselt Nux values also computed displayed graph. increment slip temperature, fluid velocity, enhanced high parameter. variation decreased applied-magnetic effects because acts like an insulating material enhancement increased

Language: Английский

Citations

3
Sensitivity analysis of magnetized Sutterby nanofluid flow with variable thermal conductivity: an extensive ANOVA-RSM approach DOI

V. M. Vasanth Suriya,

P. Naveen

Multiscale and Multidisciplinary Modeling Experiments and Design, Journal Year: 2025, Volume and Issue: 8(5)

Published: April 3, 2025

Language: Английский

Citations

0
A Molecular Dynamics Study of the Effect of Initial Pressure on the Mechanical Resilience of Aluminum Polycrystalline DOI Creative Commons

Ali B.M. Ali,

Dheyaa J. Jasim,

As’ad Alizadeh

et al.

Results in Engineering, Journal Year: 2024, Volume and Issue: 24, P. 102879 - 102879

Published: Sept. 12, 2024

Language: Английский

Citations

2
Variable viscosity and activation energy aspects in convection heat transfer over gravity driven solar collector plate for thermal energy storage DOI Creative Commons
Nidhal Ben Khedher, Zia Ullah, Mohamed Boujelbene

et al.

Scientific Reports, Journal Year: 2024, Volume and Issue: 14(1)

Published: Nov. 8, 2024

Variable viscosity, activation energy and microgravity effects on Darcy nanofluid for the thermal performance improvement in storage systems through stretching flat plate solar collector is focus of this research. Thermal (TES) can be improved though collectors, phase change materials photovoltaic cells using base liquid. To increase reaction rate nanoparticles, radiations are used efficiency TES. The viscosity improves heat mass transmission. Due to radiations, plays prominent role TES applications such as exchangers, electronic cooling devices power generation collector. Solar based mathematical model developed execute frequency oscillating transfer numerically. Primitive Stokes coefficients feasible programming. Finite difference analysis performed display oscillatory Gaussian-elimination matrix scheme. Steady velocity, surface temperature concentrations plotted utilized formula perform skin friction, along π⁄4 angle. Fluid velocity enhances but concentration variation decreases decreases. High amplitude sketched increases. transmission thermophoretic Brownian motion enhances. Amplitude oscillations transport, friction transport Prandtl Schmidt component In validation results, 0.00064% percentage error 0.00102% deduced.

Language: Английский

Citations

1