Transient and steady state study of small-scale, fire-induced unconfined ceiling jets

V. Motevalli, C. H. Marks

Research output: Contribution to journalConference articlepeer-review

8 Scopus citations


Detailed velocity and temperature measurements using cross-correlation velocimetry were obtained for small-scale unconfined ceiling jets under ceiling transient and steady state conditions. The results of this work represent one of the most detailed studies of unconfined ceiling jets to date and seem to be in general agreement with large-scale data. The empirical correlations developed here can be used to define temperature and velocity profiles. The results indicate that the ceiling jet velocity is largely unaffected by the transient of the ceiling while the temperature profile is significantly altered near the ceiling.

Original languageEnglish (US)
Pages (from-to)49-61
Number of pages13
JournalAmerican Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD
StatePublished - 1990
EventFundamentals of Natural Convection - Presented at AIAA/ASME Thermophysics and Heat Transfer Conference - Seattle, WA, USA
Duration: Jun 18 1990Jun 20 1990

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • Fluid Flow and Transfer Processes


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