Magnetoconvection in an enclosure of water near its density maximum with Soret and Dufour effects

N. Nithyadevi, Ruey Jen Yang

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

In this paper, unsteady double-diffusive magnetoconvection of water in an enclosure with Soret and Dufour effects around the density maximum has been numerically investigated. The right vertical wall has constant temperature, θc, while left vertical wall is θh, with θh > θc. The concentration in right wall is maintained lower than left wall (ch > cc). The remaining horizontal walls are adiabatic. The governing equations are solved by control volume method using SIMPLE algorithm with QUICK scheme. Representative results illustrating the effects of the thermal Rayleigh number, Hartmann number, the direction of magnetic field, density inversion parameter, buoyancy ratio, Schmidt number, and Soret and Dufour parameters on the contour maps of the fluid flow, temperature and concentration as well as the profile of velocity at mid-section of the enclosure are reported. In addition, numerical results for the average Nusselt and Sherwood numbers are presented for various parametric conditions and discussed.

Original languageEnglish
Pages (from-to)1667-1676
Number of pages10
JournalInternational Journal of Heat and Mass Transfer
Volume52
Issue number7-8
DOIs
Publication statusPublished - 2009 Mar 1

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

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