Thermal analysis of a cell of lead-acid battery subjected by non-uniform heat flux during natural convection

Malekshah, Masoud Hasani; Malekshah, Emad Hasani; Salari, Mostafa; Rahimi, Alireza; Rahjoo, Mohammad; Kasaeipoor, Abbas

doi:10.1016/j.tsep.2018.01.004

Cited by 28 publications

(12 citation statements)

References 38 publications

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“…2.2.1 Fluid media 2.2.1.1 Navier-Stokes formulation (Salari et al, 2017c(Salari et al, , 2018cMalekshah et al, 2017Malekshah et al, , 2018. The continuity, momentum and energy conservation equations for incompressible fluids in steady state condition are as follows:…”

Section: Governing Equationsmentioning

confidence: 99%

A comprehensive review on natural convection flow and heat transfer

Rahimi

Saee

Kasaeipoor

et al. 2019

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Purpose The purpose of this paper is to carry out a comprehensive review of some latest studies devoted to natural convection phenomenon in the enclosures because of its significant industrial applications. Design/methodology/approach Geometries of the enclosures have considerable influences on the heat transfer which will be important in energy consumption. The most useful geometries in engineering fields are treated in this literature, and their effects on the fluid flow and heat transfer are presented. Findings A great variety of geometries included with different physical and thermal boundary conditions, heat sources and fluid/nanofluid media are analyzed. Moreover, the results of different types of methods including experimental, analytical and numerical are obtained. Different natures of natural convection phenomenon including laminar, steady-state and transient, turbulent are covered. Overall, the present review enhances the insight of researchers into choosing the best geometry for thermal process. Originality/value A comprehensive review on the most practical geometries in the industrial application is performed.

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Section: Governing Equationsmentioning

confidence: 99%

A comprehensive review on natural convection flow and heat transfer

Rahimi

Saee

Kasaeipoor

et al. 2019

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“…It is note that it is necessary to satisfy the steady energy conservation equation by heat function (Salari et al, 2018b;Malekshah et al, 2018). In order to reach this purpose, the following equations are defined (Hasani Malekshah et al, 2017;Salari et al, 2017):…”

Section: Second Law Analysismentioning

confidence: 99%

Free convection analysis in a Γ-shaped heat exchanger using lattice Boltzmann method employing second law analysis and heatline visualization

Khakrah

Mohammaei

Hooshmand

et al. 2019

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Purpose The nanofluid flow and heat transfer within a heat exchanger, with different thermal arrangements of internal active bodies, are investigated. Design/methodology/approach For the numerical simulations, the lattice Boltzmann method is utilized. The KKL model is used to predict the dynamic viscosity of CuO-water nanofluid. Furthermore, the Brownian method is taken account using this model. The influence of shapes of nanoparticles on the heat transfer performance is considered. Findings The results show that the platelet nanoparticles render higher average Nusselt number showing better heat transfer performance. In order to perform comprehensive analysis, the heatline visualization, local and total entropy generation, local and average Nusselt variation are employed. Originality/value The originality of this work is carrying out a comprehensive investigation of nanofluid flow and heat transfer during natural convection using lattice Boltzmann method and employing second law analysis and heatline visualization.

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“…The governing equations for mass, momentum and energy balance are represented, respectively, as follows (Malekshah et al, 2018a;Salari et al, 2017aSalari et al, , 2018aSalari et al, , 2018b:…”

Section: Governing Equations and Numerical Approach 31 Governing Equationsmentioning

confidence: 99%

“…The heat function P, which shows the flow of heat energy, is calculated using convective (Uu , Vu ) and conductive heat fluxes À @u @X ; À @u @Y . It is note that it is necessary to satisfy the steady energy conservation equation by heat function (Malekshah et al, 2018a;Salari et al, 2018a). To reach this purpose, the following equations are defined (Malekshah et al, 2018b;Salari et al, 2017c):…”

Section: Heatlines Formulationmentioning

confidence: 99%

Study on fluid flow and heat transfer in fluid channel filled with KKL model-based nanofluid during natural convection using FVM

Rao

Shao

Rahimi

et al. 2019

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Purpose A comprehensive study on the fluid flow and heat transfer in a nanofluid channel is carried out. The configuration of the channel is as like as quarter channel. The channel is filled with CuO–water nanofluid. Design/methodology/approach The Koo–Kleinstreuer–Li model is used to estimate the dynamic viscosity and consider the Brownian motion. On the other hand, the influence of nanoparticles’ shapes on the heat transfer rate is considered in the simulations. The channel is included with the injection pipes which are modeled as active bodies with constant temperature in the 2D simulations. Findings The Rayleigh number, nanoparticle concentration and the thermal arrangements of internal pipes are the governing parameters. The hydrothermal aspects of natural convection are investigation using different approaches such as average Nusselt number, total entropy generation, Bejan number, streamlines, temperature fields, local heat transfer irreversibility, local fluid friction irreversibility and heatlines. Originality/value The originality of this work is investigation of fluid flow, heat transfer, entropy generation and heatline visualization within a nanofluid-filled channel using a finite volume method.

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Thermal analysis of a cell of lead-acid battery subjected by non-uniform heat flux during natural convection

Cited by 28 publications

References 38 publications

A comprehensive review on natural convection flow and heat transfer

A comprehensive review on natural convection flow and heat transfer

Free convection analysis in a Γ-shaped heat exchanger using lattice Boltzmann method employing second law analysis and heatline visualization

Study on fluid flow and heat transfer in fluid channel filled with KKL model-based nanofluid during natural convection using FVM

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