3DFLOW Development and Validation for Three Cases -
Downward Mixing, Partition and Displacement Ventilation
An-Gui Lia,b,
Phillip Jonesb , Zhen Bua, Qiang Zhanga
a Xi'an University of Architecture & Technology,
Xi'an, Shaanxi, 710055, P. R. China.
b Cardiff University, Cardiff, Wales, CF10 3NB, U. K.
Prof. Angui Li is currently a Royal Society KC Wong Fellow at Cardiff
University, U. K.
Address: Department of Environmental Engineering, Xi’an University of
Architecture & Technology,
Xi’an, P. R. China
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Abstract
The 3DFLOW code has been developed based on:
·
The standard three-dimensional K
– e
two-equation turbulence model;
·
A modification for buoyancy effects;
·
Wall functions applied to deal with solid boundary
conditions;
·
An adaptation of the SIMPLE algorithm.
The representative indoor
air flows in conditioned spaces, including downward mixing, partition and
displacement ventilation cases, were simulated and analysed in detail
using the 3DFLOW code. Good agreement was found between the numerical
predictions and experimental data.
Key words: Numerical
simulation, experimental measurement, analytical solutions, CFD validation.
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