Multiple attractors of mixed convection in confined spaces

Wan Ki Chow, Guojun Xin, Shida Liu

Research output: Journal article publicationJournal articleAcademic researchpeer-review

4 Citations (Scopus)


Dynamical structure and physical mechanism of multiple attractors in mixed convection are investigated using a simplified model in the form of ordinary differential equations. Stability analysis and bifurcation analysis on the dynamical behavior show that when the Archimedes number is fixed in some region, an inverted bifurcation takes place as the Reynolds number is increased. A quasi-periodic attractor may coexist with a stable attractor. Any small changes in the system parameter near the bifurcation point may cause discontinuous variations of mixed convection in confined spaces. In such a case, physiological hazards happen in the ventilated rooms if the system parameters are near the bifurcation point.
Original languageEnglish
Pages (from-to)471-485
Number of pages15
JournalNumerical Heat Transfer; Part A: Applications
Issue number5
Publication statusPublished - 1 Jan 2001

ASJC Scopus subject areas

  • Numerical Analysis
  • Condensed Matter Physics


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