Paper 7: Volume 5 No.3 Dec 2006 Edition
Validation of a CFD Model for
Research into Stratum Ventilation
Zhang
Lin, T. T. Chow and C. F. Tsang
Division
of Building Science and Technology,
City
University
of
Hong Kong
, Hong Kong S.A.R
Abstract
In this paper experimental results are used to verify and validate a
computational fluid dynamics (CFD) model based on a commercial package.
The validation is used to ensure that the CFD model is able to simulate
stratum ventilation. The low speed air jet is the basis for a newly
proposed ventilation mode whereby jets are placed strategically around a
room at breathing height level to create a layer or stratum of relatively
fresher air. Case studies from three independent experiments are simulated
using the CFD model to ensure that the model is able to represent the
physical characteristics, such as air flow and heat transfer properties,
of this type of ventilation system.
Key words: verification
and validation of CFD modelling,
flow pattern, air velocity, temperature, concentration, turbulence
intensity.
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Contents
Editorial
Ventilation
for Better Indoor Air Quality: Yuguo
Li
and Xianting
Li
Paper 1
Ventilation
for Better Indoor Air Quality: Yuguo
Li
and Xianting
Li
Paper
2
Performance
of Underfloor Air Distribution in a Field Setting: Fisk, W. J., Faulkner,
D., Sullivan, D. P., Chao, C., Wan, M. P., Zagreus, L. and Webster, T.
Paper 3
Applying
the Local Dynamic Similarity Model and CFD for the Study of
Cross-Ventilation: Hu, C-H.,
Kurabuchi, T. and Ohba, M.
Paper
4
Levels
of Indoor Airborne Microbes Associated with Ventilation Efficiency in
Naturally-Ventilated Residences: Su, H. J., Wu, P. C. and Chien, H. P.
Paper 5
Air
Quality and Thermal Comfort in an Office with Underfloor, Mixing and
Displacement Ventilation:
Cermak, R. and Melikov, A. K.
Paper
6
Passive
Tracer Gas Measurement of the Long Term Variation of Ventilation in Three
Swedish Dwellings: Stymne, H., Emenius, G. and Boman, C. A.
Paper
7
Validation
of a CFD Model for Research into Stratum Ventilation: Lin,
Z., Chow, T. T. and Tsang, C.F.
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