MHD slip flow and convective heat transfer due to a moving plate with effects of variable viscosity and thermal conductivity

Nandeppanavar, Mahantesh M.; Kemparaju, M. C.; Madhusudhan, R.; Vaishali, S.

doi:10.1108/mmms-08-2019-0142

Cited by 3 publications

(1 citation statement)

References 53 publications

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“…Next, production load and heat transfer intensity increase in the use of heat exchange equipment [2][3][4]. Therefore, from the perspective of heat transfer materials and working fluids, we are looking for and developing more excellent materials and working fluids to improve fluid thermal conductivity [5][6][7][8] in order to enhance the ability of heat transfer. As a new type of working fluid, nanofluids [9] have a strong heat transfer performance, so they are used in many scientific and technological fields such as electronics, aerospace, machinery, medical treatment, etc.…”

Section: Introductionmentioning

confidence: 99%

Numerical Analysis of Heat Transfer Enhancement Due to Nanoparticles under the Magnetic Field in a Solar-Driven Hydrothermal Pretreatment System

Wang

Zhao

et al. 2022

Processes

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Solar-driven hydrothermal pretreatment is an efficient approach for the pretreatment of microalgae biomass for biofuel production. In order to enhance the heat transfer, the magnetic fields effects on flow and heat transfer of nanofluids were investigated in a three-dimensional circular pipe. The magnetic fields were applied in different directions and magnetic field intensities to the flow. In this paper, Finite Volume Method was used to simulate flow and heat transfer of nanofluids under a magnetic field, and the Discrete Phase Model was selected to calculate two-phase flow, which was water mixed with metal nanoparticles. The research was also carried out with the various physical properties of nanoparticles, including the volume share of nanoparticles, particle diameter, and particle types. When the magnetic fields were applied along the X, Y, and Z directions and the intensity of magnetic fields was 0.5 T, the heat transfer coefficients of Cu-H2O nanofluids flow were increased evenly by 9.17%, 10.28%, and 10.32%, respectively. When the magnetic field was applied, the heat transfer coefficients and the Nusselt numbers were both increased with the increment of intensities of the magnetic field.

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Section: Introductionmentioning

confidence: 99%

Numerical Analysis of Heat Transfer Enhancement Due to Nanoparticles under the Magnetic Field in a Solar-Driven Hydrothermal Pretreatment System

Wang

Zhao

et al. 2022

Processes

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Inclined magnetic field and variable viscosity effects on bioconvection of Casson nanofluid slip flow over non linearly stretching sheet

Sarwar

Asjad

Hussain

et al. 2022

Propulsion and Power Research

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Significance of non-similar modeling in the entropy analysis of chemically reactive magnetized flow of nanofluid subjected to thermal radiations and melting heat condition

et al. 2021

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Melting is a physical development that is associated with phase transition of materials (PCM). Melting thermal transport has fascinated researchers because of its immense usage in technological processes. In this paper, a non-similar mathematical model is established for melting aspects in the chemically reactive, radiative flow of magnetized nanofluid. The fluid flow over a vertically heated surface is triggered as a result of its linear stretching and by means of buoyancy forces. The considered setup deals with the melting thermal transport and velocity slip at the surface. The linear buoyancy in the framework of concentration and temperature is accounted for in the x-momentum equation. Frictional heating in view of viscous dissipation is convincing because of large surface velocity. An effective Buongiorno model is employed in the energy and concentration expressions with chemical reaction and magnetic and viscous dissipations. The dimensionless non-similar structure is numerically simulated by adopting local non-similarity via bvp4c. The repercussion of vital numbers on flow, entropy generation, and thermal and mass transport is discussed through graphs and tables. The graphical transport analysis suggests that the increase in buoyancy reduces the fluid flow; however, the implication of increasing velocity slip and magnetic and buoyancy ratio numbers is to enhance the fluid flow. Furthermore, the increasing radiative parameter increases the temperature in the thermal boundary layer. Concentration boundary layer analysis suggests that the impact of the increase in the Schmidt number increases the concentration and the increase in the chemical reaction decreases the concentration. The range of stable solutions for important numbers is obtained. Furthermore, the validity of results is demonstrated by comparing with the existing literature. Comparison between non-similar and local similar approximations has been made. It is finally accomplished that non-similar analysis, contrary to local similar models, is more generic and authentic in convection thermal transport analysis in the existence of buoyancy and viscous dissipation.

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MHD slip flow and convective heat transfer due to a moving plate with effects of variable viscosity and thermal conductivity

Cited by 3 publications

References 53 publications

Numerical Analysis of Heat Transfer Enhancement Due to Nanoparticles under the Magnetic Field in a Solar-Driven Hydrothermal Pretreatment System

Numerical Analysis of Heat Transfer Enhancement Due to Nanoparticles under the Magnetic Field in a Solar-Driven Hydrothermal Pretreatment System

Inclined magnetic field and variable viscosity effects on bioconvection of Casson nanofluid slip flow over non linearly stretching sheet

Significance of non-similar modeling in the entropy analysis of chemically reactive magnetized flow of nanofluid subjected to thermal radiations and melting heat condition

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