نتایج جستجو برای: prandtl nanofluid

تعداد نتایج: 6596  

Journal: :Thermal Science 2022

A numerical study of boundary-layer flow past on a moving flat plate in nanofluid with variable wall temperature and viscous dissipation is presented. The PDE containing model for phenomena are transformed to ODE the aid appropriate similarity transformations. equations then solved numerically by using built-in bvp4c scheme MATLAB. After validation scheme, solutions determined nanoparticle conc...

In this paper, the problem of laminar nanofluid flow which results from the nonlinear stretching of a flat sheet is investigated numerically. In this paper, a modified variable physical properties model for analyzing nanofluids flow and heat transfer is introduced. In this model, the effective viscosity, density, and thermal conductivity of the solid-liquid mixture (nanofluids) which are common...

In this article, we examined the behavior of chemical reaction effect on a magnetohydrodynamic Prandtl nanofluid flow due to stretchable sheet. Non-linear thermally radiative term is accounted in energy equation. Constructive transformation is adopted to formulate the ordinary coupled differential equations system. This system of equations is treated numerically through Runge Kutta Fehlberg-45 ...

This paper presents an insight into the boundary layer of free convection and heat transfer of nanofluids over a vertical plate at very low and high Prandtl number. Suitable similarity variables are used to convert the governing systems of nonlinear partial differential equations of the flow and heat transfer to systems of nonlinear ordinary differential equations which are solved using multi-s...

In this paper, free convection flow and heat transfer of nanofluids of differently-shaped nano-sized particles over a vertical plate at very low and high Prandtl numbers are analyzed.  The governing systems of nonlinear partial differential equations of the flow and heat transfer processes are converted to systems of nonlinear ordinary differential equation through similarity transformations. T...

Journal: :Entropy 2017
Samuel Olumide Adesanya Hammed A. Ogunseye A. J. Falade R. S. Lebelo

This paper addresses entropy generation in the flow of an electrically-conducting couple stress nanofluid through a vertical porous channel subjected to constant heat flux. By using the Buongiorno model, equations for momentum, energy, and nanofluid concentration are modelled, solved using homotopy analysis and furthermore, solved numerically. The variations of significant fluid parameters with...

2017
Zhi Li Wenhao Li Zhen Chen

Output performance of a thermoelectric-based automotive waste heat recovery system with a nanofluid coolant is analyzed in this study. Comparison between Cu-Ethylene glycol (Cu-EG) nanofluid coolant and ethylene glycol with water (EG-W) coolant under equal mass flow rate indicates that Cu-EG nanofluid as a coolant can effectively improve power output and thermoelectric conversion efficiency for...

Journal: :Physics of Fluids 2022

Inspired by the applications in electromagnetic nanomaterials processing enclosures and hybrid fuel cell technologies, a mathematical model is presented to analyze mixed convective flow of electrically conducting nanofluids ([Formula: see text]-[Formula: text] [Formula: text]) inside square enclosure saturated with porous medium under an inclined magnetic field. The Tiwari–Das model, along visc...

Journal: :Mathematical Problems in Engineering 2021

Nanofluids are used as coolants in heat transport devices like exchangers, radiators, and electronic cooling systems (like a flat plate) because of their improved thermal properties. The preeminent perspective this study is to highlight the influence combined convection on transfer pseudoplastic non-Newtonian nanofluid flow towards an extendable Riga surface. Buongiorno model incorporated prese...

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