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Mathematical Analysis of Maxwell Fluid Flow through a Porous Plate Channel Induced by a Constantly Accelerating or Oscillating Wall

Author

Listed:
  • Constantin Fetecau

    (Section of Mathematics, Academy of Romanian Scientists, 050094 Bucharest, Romania)

  • Rahmat Ellahi

    (Department of Mathematics & Statistics, Faculty of Basic and Applied Sciences, International Islamic University, Islamabad 44000, Pakistan
    Fulbright Fellow, Department of Mechanical Engineering, University of California Riverside, Riverside, CA 92521, USA)

  • Sadiq M. Sait

    (Center for Communications and IT Research, Research Institute, King Fahd University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia)

Abstract

Exact expressions for dimensionless velocity and shear stress fields corresponding to two unsteady motions of incompressible upper-convected Maxwell (UCM) fluids through a plate channel are analytically established. The porous effects are taken into consideration. The fluid motion is generated by one of the plates which is moving in its plane and the obtained solutions satisfy all imposed initial and boundary conditions. The starting solutions corresponding to the oscillatory motion are presented as sum of their steady-state and transient components. They can be useful for those who want to eliminate the transients from their experiments. For a check of the obtained results, their steady-state components are presented in different forms whose equivalence is graphically illustrated. Analytical solutions for the incompressible Newtonian fluids performing the same motions are recovered as limiting cases of the presented results. The influence of physical parameters on the fluid motion is graphically shown and discussed. It is found that the Maxwell fluids flow slower as compared to Newtonian fluids. The required time to reach the steady-state is also presented. It is found that the presence of porous medium delays the appearance of the steady-state.

Suggested Citation

  • Constantin Fetecau & Rahmat Ellahi & Sadiq M. Sait, 2021. "Mathematical Analysis of Maxwell Fluid Flow through a Porous Plate Channel Induced by a Constantly Accelerating or Oscillating Wall," Mathematics, MDPI, vol. 9(1), pages 1-13, January.
    • Handle: RePEc:gam:jmathe:v:9:y:2021:i:1:p:90-:d:474348
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    Citations

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    Cited by:

    1. Yasir Nawaz & Muhammad Shoaib Arif & Kamaleldin Abodayeh & Mairaj Bibi, 2022. "Finite Element Method for Non-Newtonian Radiative Maxwell Nanofluid Flow under the Influence of Heat and Mass Transfer," Energies, MDPI, vol. 15(13), pages 1-22, June.
    2. Constantin Fetecau & Abdul Rauf & Tahir Mushtaq Qureshi & Dumitru Vieru, 2022. "Steady-State Solutions for MHD Motions of Burgers’ Fluids through Porous Media with Differential Expressions of Shear on Boundary and Applications," Mathematics, MDPI, vol. 10(22), pages 1-15, November.

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