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SOLIDIFICATION IN THE PRESENCE OF HIGH RAYLEIGH NUMBER CONVECTION IN AN ENCLOSURE COOLED FROM THE SIDE.

Author(s) : ZHANG Z., BEJAN A.

Type of article: Article

Summary

THIS IS AN EXPERIMENTAL AND THEORETICAL STUDY OF THE PROCESS OF TIME-DEPENDENT SOLIDIFICATION IN AN ENCLOSED LIQUID COOLED FROM THE SIDE. THE FOCUS IS ON THE EFFECT OF HIGH RAYLEIGH NUMBER CONVECTION, AND THE CONVECTION-CONDUCTION INTERACTION ACROSS THE FREEZING FRONT. EXPERIMENTS AT RAYLEIGH NUMBER= 100 MILLIARDS AND STEFAN NUMBER= 0.1 SHOW THE EXISTENCE OF A WEAKLY TURBULENT FLOW IN THE EARLY STAGES OF THE SOLIDIFICATION PROCESS. THE PARAMETRIC DOMAIN OF THE STUDY IS EXPANDED THROUGH THE USE OF A THEORETICAL MODEL OF THE COMBINED CONDUCTION AND CONVECTION PROCESS WITH TIME-DEPENDENT STRATIFICATION IN THE LIQUID POOL.

Details

  • Original title: SOLIDIFICATION IN THE PRESENCE OF HIGH RAYLEIGH NUMBER CONVECTION IN AN ENCLOSURE COOLED FROM THE SIDE.
  • Record ID : 1991-0600
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 33 - n. 4
  • Publication date: 1990/04

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