Experimental evidence for scaling laws in bubble plumes

L. E. Rincón, F. A. Bombardelli, Marcelo Horacio Garcia

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper presents experimental evidence regarding the behavior of bubble plumes in two tanks of different size, under non-stratified conditions. The smaller vessel has been geometrically scaled down from the larger one with a relation 1:10. Velocity measurements were performed in both tanks with acoustic sensors (ADVs) and time-averaged velocity profiles obtained at both scales were compared. This comparison was used to support a methodology to scale vertical and horizontal (radial) distances in bubble plumes, while allowing for the simulation of portions of the reservoirs The bubble-slip velocity and a length scale D were determined as the relevant scales in the analysis. Previous scaling of bubble plumes, based on the preservation of the number M H (Asaeda and Imberger, 1993) and the use of the ratio diffuser depth/airflow rate, appear as a special case of this more general theory.

Original languageEnglish (US)
Title of host publicationProceedings of the 2004 World Water and Environmetal Resources Congress
Subtitle of host publicationCritical Transitions in Water and Environmental Resources Management
EditorsG. Sehlke, D.F. Hayes, D.K. Stevens
Pages2128-2137
Number of pages10
StatePublished - 2004
Event2004 World Water and Environmental Resources Congress: Critical Transitions in Water and Environmental Resources Management - Salt Lake City, UT, United States
Duration: Jun 27 2004Jul 1 2004

Other

Other2004 World Water and Environmental Resources Congress: Critical Transitions in Water and Environmental Resources Management
CountryUnited States
CitySalt Lake City, UT
Period6/27/047/1/04

ASJC Scopus subject areas

  • Engineering(all)

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