One-dimensional thermocapillary motion

Nesreen K. N.K. Ghaddar, Maher A. M.A. El-Masri

Research output: Contribution to journalArticlepeer-review

Abstract

The steady movement of a liquid slug in horizontal capillary tubes due to temperature gradients is studied. Experimental data of the liquid slug velocities in such capillaries are reported. The results are found to be in a good agreement with the developed theory. The theory ascribes an important role to two factors. The first takes into consideration the temperature variations of the liquid slug, as it moves in contact with a wall that has a linear temperature distribution. The second has to do with changes in the dynamic contact angles of the moving interfaces. © 1983. © 2014 Elsevier B.V., All rights reserved.
Original languageAmerican English
Pages (from-to)460-468
Number of pages9
JournalJournal of Colloid and Interface Science
Volume96
Issue number2
DOIs
StatePublished - 1983
Externally publishedYes

Funding Agency

  • Kuwait Foundation for the Advancement of Sciences

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