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Indoor and Built Environment, Vol. 2, No. 5-6, 331-336 (1993)
DOI: 10.1177/1420326X9300200512

Experimental Evaluation of a Numerical Simulation Model for Predicting Room Air Motion

J.S. Zhang

Institute for Research in Construction, National Research Council of Canada, Ottawa, Ont., Canada

L.L. Christianson

Bioenvironmental Engineering Research Laboratory, University of Illinois at Urbana-Champaign, Ill.

G.J. Wu

Thermal Storage Research Center, University of Wisconsin, Madison, Wisc., USA

R.H. Zhang

Bioenvironmental Engineering Research Laboratory, University of Illinois at Urbana-Champaign, Ill.

Spatial distributions of air velocity, turbulent kinetic energy and temperature were measured in a full-scale office room (7.32 X 4.72 X 2.44 m) under non- isothermal conditions. Numerical simulation was also conducted with the computational fluid dynamics code `EXACT3'. The numerical simulation results agreed with the measurements qualitatively but were quantitatively different. Possible reasons for these differences and future research needs are discussed in this paper.

Key Words: Ventilation • Numerical simulation • Room air distribution


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