Effect of Gravity Modulation on the Onset of Heat Transfer by Buoyancy Induced Convection in Boussinesq- Stokes Suspension with Temperature

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Authors

  • N. Kavitha
     Department of Mathematics, M.S. Ramaiah Institute of Technology, Bengaluru-560 054, Karnataka ,IN
  • M. S. Basavaraj
     Department of Mathematics, M.S. Ramaiah Institute of Technology, Bengaluru-560 054, Karnataka ,IN
  • A. S. Aruna
     Department of Mathematics, M.S. Ramaiah Institute of Technology, Bengaluru-560 054, Karnataka ,IN
  • V. Ramachandramurthy
     Department of Basic Sciences, RR Institute of Technology, Bengaluru-560 090, Karnataka ,IN

DOI:

https://doi.org/10.18311/jmmf/2023/35815

Keywords:

Boussinesq Stokes Suspension, Gravity Modulation, Nusselt Number, Rayleigh-Benard Convection

Abstract

The current paper considers the Boussinesq-Stokes suspensions and the temperature-dependent viscosity with the influence of gravity modulation to analyze a weak non-linear stability problem of Rayleigh Benard magnetoconvection. In the study of convective instability problems, the impact of time-periodic body force also known as gravity modulation or g-gitter is essential. In the problem of gravity modulation, the gravity field has two components: one is the constant part and another an externally imposed time periodic part, which can be produced by oscillating the fluid layer. The effect of varying frequency of gravitational oscillation on convection is examined. The truncated form of the Fourier series is used in the non-linear analysis. The effects of numerous factors on the onset of convection have been discussed in this paper. The thermal Nusselt number is computed and shown for slow time periods using non-linear theory. The impacts of gravity modulation frequency and amplitude have been investigated in order to study heat transport in the system, as well as other aspects that exist in the problem.

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Published

2023-12-20

How to Cite

N. Kavitha, M. S. Basavaraj, A. S. Aruna, & V. Ramachandramurthy. (2023). Effect of Gravity Modulation on the Onset of Heat Transfer by Buoyancy Induced Convection in Boussinesq- Stokes Suspension with Temperature. Journal of Mines, Metals and Fuels, 71(10), 1492–1500. https://doi.org/10.18311/jmmf/2023/35815

Issue

Volume 71, Issue 10, October 2023

Section

Articles

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Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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