CUED Publications database

Entrainment by turbulent fountains

Burridge, HC and Hunt, GR (2016) Entrainment by turbulent fountains. Journal of Fluid Mechanics, 790. pp. 407-418. ISSN 0022-1120

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Abstract

© 2016 Cambridge University Press. Experimental measurements of entrainment by turbulent fountains from circular sources in quiescent uniform environments are presented. Our results span almost four orders of magnitude in the source Froude number (0.004 ≤ Fr 0 ≤ 25) and thereby encompass the entrainment across all classes of fountain behaviour identified to date. We identify scalings for the entrained volume flux Q E , in terms of Fr 0 and the source volume flux Q 0 , within a number of distinct Froude-number bands corresponding to each class of fountain. Additionally we identify a distinct class of new behaviour, as yet unreported, for Fr 0 ≤ 0.1.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div A > Fluid Mechanics
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 18:57
Last Modified: 03 Aug 2017 03:13
DOI: