Measurement of temperature distribution in thermocapillary instability

Year: 1986

Authors: Ciliberto S., Simonelli F., Arecchi F.T.

Autors Affiliation: Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy
Dipartimento di Fisica dell’Università, Firenze

Abstract: We report the measurement of the temperature field inside a fluid layer with a free surface, heated from below, in the unstable regime (thermocapillary instability or Marangoni effect). The measurements have been done when the convective flow was time dependent. We show the evolution of the temperature spatial distribution in the periodic and biperiodic regimes. We also discuss the main differences of the temperature field between Rayleigh-Benard and Marangoni instabilities.

Journal/Review: NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA D-CONDENSED MATTER ATOMIC MOLECULAR AND CHEMICAL PHYSICS FLUIDS PLASMAS BIOPHYSICS

Volume: 7 (2)      Pages from: 195  to: 202

KeyWords: Turbulent flows; convection and heat transfer;
DOI: 10.1007/BF02451240

Citations: 2
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