Characterization of flow turbulence in large-scale bubble-plume experiments

Carlos M. García, Marcelo H. García

Research output: Contribution to journalArticle

Abstract

Flow turbulence generated by a bubble plume in a large tank is characterized. Two different turbulence mechanisms contributing to the mixing and transport process are identified on velocity signals recorded outside of the bubble-plume core: a macro-scale process governed by the wandering motion of the bubble-plume; and an intermediate- and micro-scale process represented by the Kolmogorov power spectrum. A methodology is presented to characterize the different processes and their contributions to the turbulence parameters. The results help to understand the bubble-plume phenomenon and provide a basis to validate numerical models of bubble-plumes used in the design of combined-sewer-overflow reservoirs.

Original languageEnglish (US)
Pages (from-to)91-101
Number of pages11
JournalExperiments in Fluids
Volume41
Issue number1
DOIs
StatePublished - Jul 1 2006

Fingerprint

plumes
Turbulence
bubbles
turbulence
Combined sewers
Experiments
Power spectrum
Macros
Numerical models
sewers
power spectra
methodology

ASJC Scopus subject areas

  • Computational Mechanics
  • Mechanics of Materials
  • Physics and Astronomy(all)
  • Fluid Flow and Transfer Processes

Cite this

Characterization of flow turbulence in large-scale bubble-plume experiments. / García, Carlos M.; García, Marcelo H.

In: Experiments in Fluids, Vol. 41, No. 1, 01.07.2006, p. 91-101.

Research output: Contribution to journalArticle

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