Thermal and radiative effects on unsteady MHD flow of Casson fluid past a rotating porous medium with variable mass diffusion

This research examines the radiative components in heat and mass transfer phenomena in an unsteady MHD flow of Casson fluid past a vertical plate, set in a rotating porous medium. The fluid on the surface of the plate is maintained at a constant temperature while the mass transfer is set to vary. To...

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Main Authors: J. Prakash, A. Selvaraj, P. Ragupathi, Qasem M. Al-Mdallal, S. Saranya
Format: Article
Language:English
Published: Elsevier 2025-04-01
Series:Case Studies in Thermal Engineering
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2214157X2500125X
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author J. Prakash
A. Selvaraj
P. Ragupathi
Qasem M. Al-Mdallal
S. Saranya
author_facet J. Prakash
A. Selvaraj
P. Ragupathi
Qasem M. Al-Mdallal
S. Saranya
author_sort J. Prakash
collection DOAJ
description This research examines the radiative components in heat and mass transfer phenomena in an unsteady MHD flow of Casson fluid past a vertical plate, set in a rotating porous medium. The fluid on the surface of the plate is maintained at a constant temperature while the mass transfer is set to vary. To examine the impact of heat generation, radiation, and variable mass diffusion on the velocity, temperature, and concentration profiles, the appropriate models are devised. The governing nonlinear partial differential equations are addressed through the use of Laplace transformations. The findings indicate that buoyancy forces imparted by the Grashof numbers considerably increase the velocity due to convection currents. However, the magnetic parameter counteracts velocity due to the Lorentz force while larger porosity increases fluid flow. Furthermore, radiation was demonstrated to decrease velocity and temperature from loss of heating while heat transfer increased temperature and velocity by injecting energy into the system. From the above results it can be seen that there are applications of these findings in the industrial and environmental context for example during MHD flow and filtration processes.
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spelling doaj-art-c2f2f06f641048dbaea0876b50a1b91e2025-08-20T01:57:36ZengElsevierCase Studies in Thermal Engineering2214-157X2025-04-016810586510.1016/j.csite.2025.105865Thermal and radiative effects on unsteady MHD flow of Casson fluid past a rotating porous medium with variable mass diffusionJ. Prakash0A. Selvaraj1P. Ragupathi2Qasem M. Al-Mdallal3S. Saranya4Department of Mathematics, Vels Institute of Science, Technology & Advanced Studies, Chennai, 600117, Tamil Nadu, IndiaDepartment of Mathematics, Vels Institute of Science, Technology & Advanced Studies, Chennai, 600117, Tamil Nadu, India; Corresponding author.Department of Mathematics, SRMV College of Arts and Science, Coimbatore, 641020, IndiaDepartment of Mathematical Sciences, UAE University, Post Box -15551, Al-Ain, United Arab EmiratesDepartment of Mathematical Sciences, UAE University, Post Box -15551, Al-Ain, United Arab Emirates; Corresponding author.This research examines the radiative components in heat and mass transfer phenomena in an unsteady MHD flow of Casson fluid past a vertical plate, set in a rotating porous medium. The fluid on the surface of the plate is maintained at a constant temperature while the mass transfer is set to vary. To examine the impact of heat generation, radiation, and variable mass diffusion on the velocity, temperature, and concentration profiles, the appropriate models are devised. The governing nonlinear partial differential equations are addressed through the use of Laplace transformations. The findings indicate that buoyancy forces imparted by the Grashof numbers considerably increase the velocity due to convection currents. However, the magnetic parameter counteracts velocity due to the Lorentz force while larger porosity increases fluid flow. Furthermore, radiation was demonstrated to decrease velocity and temperature from loss of heating while heat transfer increased temperature and velocity by injecting energy into the system. From the above results it can be seen that there are applications of these findings in the industrial and environmental context for example during MHD flow and filtration processes.http://www.sciencedirect.com/science/article/pii/S2214157X2500125XMHDCasson fluidRotating porous mediumVertical plateVariable mass diffusionLaplace transform
spellingShingle J. Prakash
A. Selvaraj
P. Ragupathi
Qasem M. Al-Mdallal
S. Saranya
Thermal and radiative effects on unsteady MHD flow of Casson fluid past a rotating porous medium with variable mass diffusion
Case Studies in Thermal Engineering
MHD
Casson fluid
Rotating porous medium
Vertical plate
Variable mass diffusion
Laplace transform
title Thermal and radiative effects on unsteady MHD flow of Casson fluid past a rotating porous medium with variable mass diffusion
title_full Thermal and radiative effects on unsteady MHD flow of Casson fluid past a rotating porous medium with variable mass diffusion
title_fullStr Thermal and radiative effects on unsteady MHD flow of Casson fluid past a rotating porous medium with variable mass diffusion
title_full_unstemmed Thermal and radiative effects on unsteady MHD flow of Casson fluid past a rotating porous medium with variable mass diffusion
title_short Thermal and radiative effects on unsteady MHD flow of Casson fluid past a rotating porous medium with variable mass diffusion
title_sort thermal and radiative effects on unsteady mhd flow of casson fluid past a rotating porous medium with variable mass diffusion
topic MHD
Casson fluid
Rotating porous medium
Vertical plate
Variable mass diffusion
Laplace transform
url http://www.sciencedirect.com/science/article/pii/S2214157X2500125X
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AT aselvaraj thermalandradiativeeffectsonunsteadymhdflowofcassonfluidpastarotatingporousmediumwithvariablemassdiffusion
AT pragupathi thermalandradiativeeffectsonunsteadymhdflowofcassonfluidpastarotatingporousmediumwithvariablemassdiffusion
AT qasemmalmdallal thermalandradiativeeffectsonunsteadymhdflowofcassonfluidpastarotatingporousmediumwithvariablemassdiffusion
AT ssaranya thermalandradiativeeffectsonunsteadymhdflowofcassonfluidpastarotatingporousmediumwithvariablemassdiffusion