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Self-Preserving Round Buoyant Turbulent Plumes: Implications for Turbulence Models.


pdf icon Self-Preserving Round Buoyant Turbulent Plumes: Implications for Turbulence Models. (123 K)
Dai, Z.; Tseng, L. K.; Faeth, G. M.

NISTIR 5499; September 1994.

National Institute of Standards and Technology. Annual Conference on Fire Research: Book of Abstracts. October 17-20, 1994, Gaithersburg, MD, 161-162 pp, 1994.

Sponsor:

National Institute of Standards and Technology, Gaithersburg, MD

Available from:

National Technical Information Service
Order number: PB95-104964

Keywords:

fire research; fire plumes; turbulence; fire models

Abstract:

Turbulence models are often used to analyze practical fires due to the computational intractability of fully resolved three-dimensional time-dependent simulations of practical buoyant turbulent flows. Developing reliable turbulence models, however, has been inhibited due to the absence of measurements; therefore, the objective of the present investigation is to complete measurements within round buoyant turbulent plumes, emphasizing self-preserving conditions far from the source. Present considerations include classical similarity concepts and turbulence models of varying complexity.