Feedback control of the Marangoni-Bénard instability in a fluid layer with a free-slip bottom

Norihan Md Arifin, Roslinda Mohd. Nazar, Norazak Senu

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Feedback control was applied to the steady Marangoni-Bénard convection in a horizontal layer of fluid with a free-slip bottom heated from below and cooled from above. The critical values of the Marangoni numbers for the onset of steady convection are calculated and the latter is found to be critically dependent on the Crispation and Bond numbers. It is shown that the onset of instability can be delayed and the critical Marangoni number can be increased through the use of feedback control.

Original languageEnglish
Article number014401
JournalJournal of the Physical Society of Japan
Volume76
Issue number1
DOIs
Publication statusPublished - Jan 2007

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feedback control
slip
Bond number
Marangoni convection
fluids
convection

Keywords

  • Feedback control
  • Free-slip condition
  • Instability
  • Marangoni-Bénard convection

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Feedback control of the Marangoni-Bénard instability in a fluid layer with a free-slip bottom. / Arifin, Norihan Md; Mohd. Nazar, Roslinda; Senu, Norazak.

In: Journal of the Physical Society of Japan, Vol. 76, No. 1, 014401, 01.2007.

Research output: Contribution to journalArticle

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AB - Feedback control was applied to the steady Marangoni-Bénard convection in a horizontal layer of fluid with a free-slip bottom heated from below and cooled from above. The critical values of the Marangoni numbers for the onset of steady convection are calculated and the latter is found to be critically dependent on the Crispation and Bond numbers. It is shown that the onset of instability can be delayed and the critical Marangoni number can be increased through the use of feedback control.

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