A computer code for enclosed natural convection in the boundary layer regime
Kelson, Neil A. (1990) A computer code for enclosed natural convection in the boundary layer regime. University of New South Wales.
A computer code is developed for the numerical prediction of natural convection in rectangular two-dimensional cavities at high Rayleigh numbers. The governing equations are retained in the primitive variable form. The numerical method is based on finite differences and an ADI scheme. Convective terms may be approximated with either central or hybrid differencing for greater stability. A non-uniform grid distribution is possible for greater efficiency. The pressure is dealt with via a SIMPLE type algorithm and the use of a fast elliptic solver for the solenoidal velocity correction field significantly reduces computing times. Preliminary results indicate that the code is reasonably accurate, robust and fast compared with existing benchmarks and finite difference based codes, particularly at high Rayleigh numbers. Extension to three-dimensional problems and turbulence studies in similar geometries is readily possible and indicated.
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|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > INTERDISCIPLINARY ENGINEERING (091500) > Computational Heat Transfer (091502)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > INTERDISCIPLINARY ENGINEERING (091500) > Turbulent Flows (091508)
|Divisions:||Current > QUT Faculties and Divisions > Division of Technology, Information and Library Services
Current > Research Centres > High Performance Computing and Research Support
|Copyright Owner:||Copyright 1990 Neil A. Kelson|
|Deposited On:||25 Feb 2016 01:25|
|Last Modified:||25 Feb 2016 04:34|
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