Computation of room air distribution

M. Nady A. Said, Jianshun S. Zhang, C. Y. Shaw, Leslie L. Christianson

Research output: Contribution to journalConference Articlepeer-review

23 Scopus citations


This paper describes the results of an ongoing evaluation of a computational-fluid-dynamics-based computer program for predicting room air distribution. Computed air velocity, turbulent kinetic energy, and temperature are compared with measured data from full-scale experiments involving isothermal and nonisothermal airflow conditions. For isothermal airflow conditions, computed results agree reasonably well with measured data. For nonisothermal airflow conditions, computed airflow patterns agree well with those observed in the experiments. However, for the latter case, there is a discrepancy between computed and measured spatial distributions of the air velocity, turbulent kinetic energy, and air temperature. Possible reasons for the discrepancy are discussed.

Original languageEnglish (US)
Pages (from-to)1065-1077
Number of pages13
JournalASHRAE Transactions
Issue number1
StatePublished - 1995
Externally publishedYes
EventProceedings of the 1995 ASHRAE Annual Meeting - Chicago, IL, USA
Duration: Jan 29 1995Feb 1 1995

ASJC Scopus subject areas

  • Building and Construction
  • Mechanical Engineering


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