Irreversibility profiles in a circular couette flow of temperature dependent materials

Y. Demirel

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

The irreversibility distributions have been calculated for a circular Couette flow of ethylene glycol with temperature dependent thermal conductivity and viscosity. The approximate series solutions of velocity and temperature fields are used to obtain the gradients to calculate the spatial entropy generation rate with narrowing gap of the Couette. It was found that the irreversibility distribution is relatively more uniform for a narrow-gap Couette.

Original languageEnglish (US)
Pages (from-to)75-83
Number of pages9
JournalInternational Communications in Heat and Mass Transfer
Volume26
Issue number1
DOIs
StatePublished - Jan 1999

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Chemical Engineering(all)
  • Condensed Matter Physics

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