Thermophoresis and its effect on particle impaction on a cylinder for low and moderate Reynolds numbers

Haugen, Nils Erland L.; Krüger, Jonas; Aarnes, Jørgen R.; Karchniwy, Ewa; Klimanek, Adam

doi:10.1016/j.ijheatmasstransfer.2021.121996

Cited by 4 publications

(2 citation statements)

References 20 publications

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“…Khan et al 22 analyzed the thermophoresis and Hall current impact on 2D MHD flow with convective heat transport through a stretched sheet in the presence of entropy optimization. Sabir et al, 23 Idowu and Falodun, 24 Haugen et al, 25 Kumar et al, 26 and Shah et al 27 studied thermophoresis properties on the flow of heat and mass transfer.…”

Section: Introductionmentioning

confidence: 99%

Entropy analysis on thermophoretic magnetohydrodynamic Couette flow over a deformable porous channel with temperature‐dependent viscosity and thermal conductivity

Das,

Patgiri

2024

Heat Trans

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In this study, we have investigated magnetohydrodynamic Couette flow across a deformable porous regime with entropy generation having equal suction and injection velocities. The aim of this work is to analyze the novel impact of thermophoresis deposition, activation energy, and magnetic effect by considering viscosity and thermal conductivity as dependent on temperature in a deformable porous regime. The dimensional equations are turned into nonlinear ordinary differential equations (ODEs) through proper similarity variables. To solve these ODEs, we utilized the MATLAB bvp4c approach. Graphs are used to study the behavior of many physical parameters such as skin friction, Bejan number, velocity, displacement, entropy generation, concentration, and temperature. It is found that the viscosity parameter reduces the solid displacement, whereas it enhances the fluid concentration. Due to the impact of suction/injection and drag parameters, fluid velocity becomes reduced. The thermal conductivity parameter raises entropy generation and temperature, but it decays the Bejan number. The volume fraction parameter plays an interesting behavior in skin friction. Moreover, the current work is compared with prior research work while neglecting the newly introduced effects, and the results remain consistent.

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Section: Introductionmentioning

confidence: 99%

Entropy analysis on thermophoretic magnetohydrodynamic Couette flow over a deformable porous channel with temperature‐dependent viscosity and thermal conductivity

Das,

Patgiri

2024

Heat Trans

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“…Hazarika and Ahmed 52 studied numerically on MHD flow with thermophoretic force over solid sphere. For minimal and typical Reynolds numbers, Haugen et al 53 investigated the thermophoresis effect on cylinders with particle impaction. They observed that thermophoretic effect has insignificant on particles when Stokes number is larger than 0.5, but the impaction of dominating rate is significant when Stokes number is less than or equal to 0.3.…”

Section: Introductionmentioning

confidence: 99%

Influence of thermophoretic deposition and viscous dissipation on magnetohydrodynamic flow with variable viscosity and thermal conductivity

2023

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In this study, we numerically explore the impact of varying viscosity and thermal conductivity on a magnetohydrodynamic flow problem over a moving nonisothermal vertical plate with thermophoretic effect and viscous dissipation. The boundary conditions and flow‐regulating equations are converted into ordinary differential equations with the aid of similarity substitution. The MATLAB bvp4c solver is used to evaluate the numerical solution of the problem and it is validated by executing the numerical solution with previously published studies. The impacts of several factors, including the magnetic parameter, Eckert number, heat source parameter, thermal conductivity parameter, stratification parameter, Soret, Dufour, Prandtl number, and Schmidt number are calculated and shown graphically. Also, the skin friction coefficient, Nusselt number, and Sherwood number are calculated. Fluid velocity, temperature, and concentration significantly drop as the thermophoretic parameter and thermal stratification parameter increases. As thermal conductivity rises, it is seen that the velocity of the fluid and temperature inside the boundary layer rise as well. Also, the Soret effect drops temperature and concentration profile. The applications of this type of problem are found in the processes of nuclear reactors, corrosion of heat exchangers, lubrication theory, and so forth.

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Influences of Variable Viscosity and Variable Thermal Conductivity on a Mixed Convective Hydromagnetic Flow in a Vertical Channel with Thermophoretic Deposition

Das,

Patgiri

2024

J Eng Phys Thermophy

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Thermophoresis and its effect on particle impaction on a cylinder for low and moderate Reynolds numbers

Cited by 4 publications

References 20 publications

Entropy analysis on thermophoretic magnetohydrodynamic Couette flow over a deformable porous channel with temperature‐dependent viscosity and thermal conductivity

Entropy analysis on thermophoretic magnetohydrodynamic Couette flow over a deformable porous channel with temperature‐dependent viscosity and thermal conductivity

Influence of thermophoretic deposition and viscous dissipation on magnetohydrodynamic flow with variable viscosity and thermal conductivity

Influences of Variable Viscosity and Variable Thermal Conductivity on a Mixed Convective Hydromagnetic Flow in a Vertical Channel with Thermophoretic Deposition

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