Turbulent and electrical phenomena in a liquid metal MHD energy conversion device under various load conditions

Hiromichi Kobayashi, Yoshihiro Okuno

Research output: Contribution to journalArticle

Abstract

We numerically simulate the turbulent phenomena in a liquid metal MHD energy conversion device under various load conditions (open-circuit, short-circuit, and externally applied current) with non-uniform magnetic flux densities. The large eddy currents under the open-circuit condition promote the recurrence of turbulence on the sidewalls in the downstream region, while the strong Lorentz force (upstream on average) near the electrodes due to a large load current under the short-circuit condition suppresses the turbulence transition from the sidewalls. The strong Lorentz force (downstream on average) produced by external current curbs eddies in the electrodes area, while turbulence appears again just in the downstream region.

Original languageEnglish
Pages (from-to)773-778
Number of pages6
JournalIEEJ Transactions on Power and Energy
Volume136
Issue number10
DOIs
Publication statusPublished - 2016

Keywords

  • Eddy
  • Liquid metal flow
  • Lorentz force
  • MHD energy conversion
  • Turbulence

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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