A method of test to obtain diffuser data for CFD modeling of room airflow

Jelena Srebric, Qingyan Chen

Research output: Journal article publicationConference articleAcademic researchpeer-review

24 Citations (Scopus)


This paper reports on a study that demonstrated how to use two simplified methods-the box and momentum methods-to simulate complex diffusers in room airflow modeling by computational fluid dynamics. The two methods require additional flow information that is not available from product catalogs of diffuser manufacturers. This information includes the distribution of discharge air velocity box size, and flow direction. This research developed a method of test (MOT) on how to obtain the additional information with minimal effort under ASHRAE Standard 70-1991.

Original languageEnglish
Pages (from-to)108-116
Number of pages9
JournalASHRAE Transactions
Volume107 PART 2
Publication statusPublished - 2001
Event2001 ASHRAE Annual Meeting - Cincinnati, OH, United States
Duration: 24 Jun 200127 Jun 2001

ASJC Scopus subject areas

  • Building and Construction
  • Mechanical Engineering


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