Melting heat transfer in boundary layer stagnation-point flow of nanofluid toward a stretching sheet with induced magnetic field

Gireesha, B.J.; Mahanthesh, B.; Shivakumara, I. S.; Eshwarappa, K.M.

doi:10.1016/j.jestch.2015.07.012

Cited by 119 publications

(49 citation statements)

References 30 publications

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“…Figure shows that the thermophoresis parameter ( Nt ) has an increasing impact on temperature and the associated thermal boundary layers are thicker, whereas it reduces the concentration of the nanoparticles as depicted in Figure . Gireesha et al also noticed a similar trend in a Newtonian nanofluid. The behavior of nanoparticle concentration for different variations of the Lewis number and chemical reaction parameter is depicted in Figures and .…”

Section: Resultsmentioning

confidence: 57%

Effect of thermophoresis and Brownian motion on the melting heat transfer of a Jeffrey fluid near a stagnation point towards a stretching surface: Buongiorno's model

Sreelakshmi

Sarojamma

Vajravelu

2019

Heat Trans. Asian Res.

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This analysis intends to address the coupled effect of phase change heat transfer, thermal radiation, and viscous heating on the MHD flow of an incompressible chemically reactive nanofluid in the vicinity of the stagnation point toward the stretching surface, taking a Jeffrey fluid as the base fluid. Convergent analytical solutions for the nonlinear boundary layer equations are obtained by the successive application of scaling variables and the highly efficacious homotopy analysis method. Error analysis is implemented to endorse the convergence of the solutions. Through parametric examination, influence of various physical parameters occurring in analysis of the profiles of velocity, temperature, and nanoparticle concentration, coefficient of surface drag, rates of mass and heat transfer is explored pictorially. The Deborah number and the melting parameter are found to enhance velocity, and the associated momentum boundary layers are thicker, whereas the magnetic field depreciates the flow rate. Temperature is observed to enhance with the thermophoresis parameter, Prandtl number and Eckert number, whereas a reduction is seen with the thermal radiation parameter and Brownian motion parameter. Nanoparticle concentration is depleted by the chemical reaction parameter, the thermophoresis parameter, and the Lewis number.

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Section: Resultsmentioning

confidence: 57%

Effect of thermophoresis and Brownian motion on the melting heat transfer of a Jeffrey fluid near a stagnation point towards a stretching surface: Buongiorno's model

Sreelakshmi

Sarojamma

Vajravelu

2019

Heat Trans. Asian Res.

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“…Rushi Kumar et al (2015) investigated on unsteady free convection flow in the presence of magnetic field fixed relative to the fluid or the plate by using Laplace transformation technique. Gireesha et al (2016) have analyzed the development of steady boundary layer flow of a nanofluid over a stretching sheet in the presence of radiation effects. It is found that the induced magnetic field and temperature distributions are enhanced with the strengthening of hydromagnetic field.…”

Section: Introductionmentioning

confidence: 99%

A Comparative Study of Thermal Radiation Effects on MHD Flow of Nanofluids and Heat Transfer Over a Stretching Sheet

Kumar¹,

Kumar²

2017

Frontiers in Heat and Mass Transfer

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In this work, the steady natural convective boundary layer flow of nanofluid and heat transfer over a stretching sheet in the presence of a uniform transverse magnetic field is investigated. We consider two different base fluids and three different nanoparticles were examined as nanofluid. A new model was used in the simulation of nanofluid. Similarity transformations are used to obtain a system of nonlinear ordinary differential equations. The resulting equations are solved numerically by shooting method with Runge-Kutta fourth order scheme (MATLAB package). The effects of various parameters describing the transport in the presence of thermal radiation, buoyancy parameter, magnetic parameter and heat source/sink and nanoparticle volume concentration on the nanofluid velocity, temperature, the heat transfer coefficient and skin-friction coefficient are studied through graphs and table. Furthermore, comparisons with published results are in very good agreement.

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“…Further heat transfer over a stretched surface has been examined by various investigators. [21][22][23][24][25][26][27][28][29][30] Liquid°ow immersed through porous medium is a subject of colossal applications in industry and building. Such°ow is essential from both physical and hypothetical perspectives.…”

Section: Introductionmentioning

confidence: 99%

Development of homogeneous/heterogeneous reaction in flow based through non-Darcy Forchheimer medium

Hayat

Faisal

Alsaedi

et al. 2017

J. Theor. Comput. Chem.

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The objective here is to analyze the in°uence of homogeneous and heterogeneous reactions in°o w induced by convectively heated sheet with nonlinear velocity and variable thickness. Porous medium e®ect is characterized by Darcy-Forchheimer consideration. A simple isothermal model of homogeneous-heterogeneous reactions is used to regulate the temperature of stretched surface. Thermodynamics processes of homogeneous-heterogeneous reactions analyze the e®ect of temperature phase changes. Resulting problems are computed for the convergent solutions of velocity, temperature and concentration. Analysis for the in°uential variables on the physical quantities is graphically examined. Our computed results interpret that velocitȳ eld decays for larger magnetic parameter while temperature¯eld enhances for higher estimation of Biot number.

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Melting heat transfer in boundary layer stagnation-point flow of nanofluid toward a stretching sheet with induced magnetic field

Cited by 119 publications

References 30 publications

Effect of thermophoresis and Brownian motion on the melting heat transfer of a Jeffrey fluid near a stagnation point towards a stretching surface: Buongiorno's model

Effect of thermophoresis and Brownian motion on the melting heat transfer of a Jeffrey fluid near a stagnation point towards a stretching surface: Buongiorno's model

A Comparative Study of Thermal Radiation Effects on MHD Flow of Nanofluids and Heat Transfer Over a Stretching Sheet

Development of homogeneous/heterogeneous reaction in flow based through non-Darcy Forchheimer medium

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