The Effects of Reduced Gravity and Radiative Heat Transfer on the Magnetohydrodynamic Flow Past a Non-Rotating Stationary Sphere Surrounded by a Porous Medium

被引:23
作者
Abbas, Amir [1 ]
Sarris, Ioannis E. [2 ]
Ashraf, Muhammad [3 ]
Ghachem, Kaouther [4 ]
Hnaien, Nidhal [5 ]
Alshammari, Badr M. [6 ]
机构
[1] Univ Gujrat, Fac Sci, Dept Math, Subcampus, Mandi Bahauddin 50400, Pakistan
[2] Univ West Attica, Dept Mech Engn, Athens 12244, Greece
[3] Univ Sargodha, Fac Sci, Dept Math, Sargodha 40100, Pakistan
[4] Princess Nourah bint Abdulrahman Univ, Coll Engn, Dept Ind Engn & Syst, POB 84428, Riyadh 11671, Saudi Arabia
[5] Univ Monastir, Natl Engn Sch, Res Lab Metrol & Energy Syst, LR18ES21, Monastir 5000, Tunisia
[6] Univ Hail, Coll Engn, Dept Elect Engn, POB 2440, Hail City 81451, Saudi Arabia
来源
SYMMETRY-BASEL | 2023年 / 15卷 / 04期
关键词
reduced-gravity; porous-medium; magnetohydrodynamics; heat transfer; solar-radiation; finite difference method; sphere; BOUNDARY-LAYER-FLOW; MIXED CONVECTION FLOW; THERMAL-RADIATION; MICROPOLAR FLUID; STRETCHING SHEET; THERMOPHORETIC MOTION; CHEMICAL-REACTION; VERTICAL PLATE; SURFACE; DENSITY;
D O I
10.3390/sym15040806
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
In the present study, the effects of reduced gravity and solar radiation on the magnetohydrodynamics (MHD) fluid flow and heat transfer past a solid and stationary sphere embedded in a porous medium are investigated. A model describing the considered configuration is put in dimensionless form using appropriate dimensionless variables and then transformed to primitive form for a smooth algorithm on a computing tool. A primitive form of the model is solved by employing the finite difference method. Solutions for variables of interest, such as velocity distribution and temperature field, along with their gradients, are depicted in graphs and tables. The main goal of the paper is to study the physical impact of reduced gravity on heat transfer and fluid flow around a sphere surface inserted in a porous medium in the presence of an applied magnetic field and solar radiation. The effects of the governing parameters, which are the reduced gravity parameter, magnetic field parameter, radiation parameter, porous medium parameter, and the Prandtl number, are discussed and physically interpreted. The displayed solutions indicate that velocity rises with the reduced gravity and solar radiation parameters but decreases with augmenting the Prandtl number, magnetic field parameter, and porous medium parameter. It is deduced from the presented results that the temperature becomes lower by increasing the values of the reduced gravity parameter and the Prandtl number, but, on the other hand, it becomes higher by increasing the values of the magnetic field, the porous medium, and the radiation parameters at all the considered positions of the surface of the sphere. A comparison between the present and already published results is performed to check the validity of the proposed numerical model.
引用
收藏
页数:15
相关论文
共 53 条
  • [1] Magnetohydrodynamic Effects on Third-Grade Fluid Flow and Heat Transfer with Darcy-Forchheimer Law over an Inclined Exponentially Stretching Sheet Embedded in a Porous Medium
    Abbas, Amir
    Jeelani, Mdi Begum
    Alharthi, Nadiyah Hussain
    [J]. MAGNETOCHEMISTRY, 2022, 8 (06)
  • [2] MHD Williamson Nanofluid Fluid Flow and Heat Transfer Past a Non-Linear Stretching Sheet Implanted in a Porous Medium: Effects of Heat Generation and Viscous Dissipation
    Abbas, Amir
    Jeelani, Mdi Begum
    Alnahdi, Abeer S.
    Ilyas, Asifa
    [J]. PROCESSES, 2022, 10 (06)
  • [3] Darcy-Forchheimer Relation Influence on MHD Dissipative Third-Grade Fluid Flow and Heat Transfer in Porous Medium with Joule Heating Effects: A Numerical Approach
    Abbas, Amir
    Jeelani, Mdi Begum
    Alharthi, Nadiyah Hussain
    [J]. PROCESSES, 2022, 10 (05)
  • [4] Significance of Chemical Reaction and Lorentz Force on Third-Grade Fluid Flow and Heat Transfer with Darcy-Forchheimer Law over an Inclined Exponentially Stretching Sheet Embedded in a Porous Medium
    Abbas, Amir
    Shafqat, Ramsha
    Jeelani, Mdi Begum
    Alharthi, Nadiyah Hussain
    [J]. SYMMETRY-BASEL, 2022, 14 (04):
  • [5] Convective Heat and Mass Transfer in Third-Grade Fluid with Darcy-Forchheimer Relation in the Presence of Thermal-Diffusion and Diffusion-Thermo Effects over an Exponentially Inclined Stretching Sheet Surrounded by a Porous Medium: A CFD Study
    Abbas, Amir
    Shafqat, Ramsha
    Jeelani, Mdi Begum
    Alharthi, Nadiyah Hussain
    [J]. PROCESSES, 2022, 10 (04)
  • [6] Combined effects of variable density and thermal radiation on MHD Sakiadis flow
    Abbas, Amir
    Ijaz, Iqra
    Ashraf, Muhammad
    Ahmad, Hafeez
    [J]. CASE STUDIES IN THERMAL ENGINEERING, 2021, 28
  • [7] Combined effects of thermal radiation and thermophoretic motion on mixed convection boundary layer flow
    Abbas, Amir
    Ashraf, Muhammad
    Chamkha, Ali Jawad
    [J]. ALEXANDRIA ENGINEERING JOURNAL, 2021, 60 (03) : 3243 - 3252
  • [8] COMBINED EFFECTS OF VARIABLE VISCOSITY AND THERMOPHORETIC TRANSPORTATION ON MIXED CONVECTION FLOW AROUND THE SURFACE OF A SPHERE
    Abbas, Amir
    Ashraf, Muhmmad
    [J]. THERMAL SCIENCE, 2020, 24 (06): : 4089 - 4101
  • [9] Computational Study of the Coupled Mechanism of Thermophoretic Transportation and Mixed Convection Flow around the Surface of a Sphere
    Abbas, Amir
    Ashraf, Muhammad
    Chu, Yu-Ming
    Zia, Saqib
    Khan, Ilyas
    Nisar, Kottakkaran Sooppy
    [J]. MOLECULES, 2020, 25 (11):
  • [10] Mixed convection flow along a curved surface in the presence of exothermic catalytic chemical reaction
    Ahmad, Uzma
    Ashraf, Muhammad
    Abbas, Amir
    Rashad, A. M.
    Nabwey, Hossam A.
    [J]. SCIENTIFIC REPORTS, 2021, 11 (01)