Numerical experiments on natural convection in a stably stratified fluid due to side-wall heating

J. Lee, M. T. Hyun, J. H. Moh

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Numerical experiments were conducted to study the natural convection in a stably stratified salt water solution with lateral heating in a square rectangular enclosure. The method of investigation employed is the finite-difference solution of the basic conservation equations for a two-dimensional, laminar, unsteady double-diffusive convection, and calculation is made for 1.0 X 10s < Raj < 1.0 X l<f and 0 £ N s IS. Four distinct flow regimes are observed depending on the magnitude of solutal stratification relative to thermal buoyancy N; unicell flow regime for N - 1, fully developed flow regime for N - 3, layered flow regime with the stagnant core for N — 5, and stagnant flow regime for N — 7. Formation of layered flow structure with time and the corresponding temperature and concentration distributions are examined. Due to the double-diffusive nature of heat and salt, interesting temperature and concentration profiles are obtained in each flow regime.

Original languageEnglish
Pages (from-to)343-355
Number of pages13
JournalNumerical Heat Transfer; Part A: Applications
Volume18
Issue number3
DOIs
Publication statusPublished - 1990 Dec

Fingerprint

Stratified Fluid
Natural Convection
Natural convection
free convection
Heating
Numerical Experiment
heating
Fluids
Saline water
fluids
Flow structure
Buoyancy
Enclosures
Conservation
Experiments
Salts
Temperature
Salt
salts
conservation equations

All Science Journal Classification (ASJC) codes

  • Numerical Analysis
  • Condensed Matter Physics

Cite this

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Numerical experiments on natural convection in a stably stratified fluid due to side-wall heating. / Lee, J.; Hyun, M. T.; Moh, J. H.

In: Numerical Heat Transfer; Part A: Applications, Vol. 18, No. 3, 12.1990, p. 343-355.

Research output: Contribution to journalArticle

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