Field-scale tests for determining mixing patterns associated with coarse-bubble air diffuser configurations, Egan Quarry, Illinois

N. J. Hornewer, G. P. Johnson, D. M. Robertson, M. Hondzo

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

2 Scopus citations

Abstract

The U.S. Geological Survey in cooperation with the U.S. Army Corps of Engineers, Chicago District did field-scale tests in August-September 1996 to determine mixing patterns associated with different configurations of coarse-bubble air diffusers. The tests were done in an approximately 13-meter deep quarry near Chicago, Ill. Three-dimensional velocity, water-temperature, dissolved oxygen concentration, and specific-conductivity profiles were collected from locations between approximately 2 to 30 meters from the diffusers for two sets of five test configurations; one set for stratified and one set for destratified conditions in the quarry. The data-collection methods and instrumentation used to characterize mixing patterns and interactions of coarse-bubble diffusers were successful. An extensive data set was collected and is available to calibrate and verify aeration and stratification models, and to characterize basic features of bubble-plume interaction.

Original languageEnglish (US)
Title of host publicationEnvironmental and Coastal Hydraulics
Subtitle of host publicationProtecting the Aquatic Habitat
PublisherASCE
Pages57-63
Number of pages7
VolumeB pt 1
StatePublished - Jan 1 1997
EventProceedings of the 1997 27th Congress of the International Association of Hydraulic Research, IAHR. Part D - San Francisco, CA, USA
Duration: Aug 10 1997Aug 15 1997

Other

OtherProceedings of the 1997 27th Congress of the International Association of Hydraulic Research, IAHR. Part D
CitySan Francisco, CA, USA
Period8/10/978/15/97

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