نتایج جستجو برای: hybrid nanofluid

تعداد نتایج: 194863  

Journal: :Mathematical Problems in Engineering 2021

This paper provides a comprehensive analysis of the mixed convective flow that comprises SWCNT-MWCNT/water hybrid nanofluid containing micropolar fluid through partially slipped vertical Riga surface. A Cattaneo–Christov heat flux model is used to examine transport rate. The energy equation gaining more significance with effect viscous dissipation and thermal stratification. transformed by conv...

Journal: :SN applied sciences 2023

Abstract In this study, the accuracy of three methods to simulate thermal diffusivity profile in oblique stenosis artery with hybrid nanofluid and influence volume fraction heat sources nanofluid, including Al 2 O 3 Cu, is studied. Comparing analytical for reliable answers important new studies. Also, source parameter S temperature evolution Akbari–Ganji Method (AGM), Finite Element (FEM), Rung...

Journal: :transport phenomena in nano and micro scales 2016
m. esfandiary a. habibzadeh h. sayehvand

in this paper, the problem of turbulent forced convection flow of water- alumina nanofluid in a uniformly heated pipe has been thoroughly investigated. in numerical study, single and two-phase models have been used. in single-phase modeling of nanofluid, thermal and flow properties of nanofluid have been considered to be dependent on temperature and volume fraction. effects of volume fraction a...

Journal: :Scientia Iranica 2021

We considered a stagnation point of Non-Newtonian Fluid with Phase Flow Model over stretching surface slip conditions. Two types the nanoparticle used, namely Cu and 〖Al〗_2 O_3 base fluid H_2 O. Acceptable to theoretical study, mathematical model has been constructed through flow assumptions. Partial differential equations are made by applying boundary layer approximations on momentum energy eq...

Journal: :International Journal of Photoenergy 2021

Photovoltaic (PV) cells have been applied for direct conversion of solar radiation into electricity. Their performance is significantly affected by the working temperature. Due to higher efficiency in lower temperatures, several thermal management approaches recent years. Employing liquids as coolant one efficient cooling down PV cells. Using fluids with enhanced heat transfer properties would ...

2013

Numerical investigation on the generality of nanoparticle velocity equation had been done on the previous published work. The three dimensional governing equations (continuity, momentum and energy) were solved using finite volume method (FVM). Parametric study of thermal performance between pure water-cooled and nanofluid-cooled are evaluated for volume fraction in the range of 1% to 4%, and na...

Journal: :Frontiers in Energy Research 2021

The present research benefits from the finite volume method in investigating influence of combined turbulators on thermal and hydraulic exergy a parabolic solar collector with two-phase hybrid MWCNT-Cu/water nanofluid. All geometries are produced using DesignModeler software. Furthermore, FLUENT software, equipped SIMPLER algorithm, is applied for analyzing performance hydraulic, efficiency. Eu...

Journal: :journal of nanostructures 2015
a. zehforoosh s. hossainpour

in this paper, the effect of the brownian term in natural convection of cuo-water nanofluid inside a partially filled porous cavity, with internal heat generation has been studied. it is assumed that the viscosity and thermal conductivity of nanofluid consists of a static part and a brownian part of which is a function of temperature and the volume fraction of nanofluid. because of internal hea...

Journal: :Nano letters 2006
Mihail Vladkov Jean-Louis Barrat

Molecular dynamics simulations are used to simulate the thermal properties of a model fluid containing nanoparticles (nanofluid). By modeling transient absorption experiments, we show that they provide a reliable determination of interfacial resistance between the particle and the fluid. The flexibility of molecular simulation allows us to consider separately the effect of confinement, particle...

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