Evaluation of mixing energy in the swirling and baffled flasks

V. J. Kaku, Michel Boufadel, A. D. Venosa

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

3 Scopus citations

Abstract

A USEPA laboratory screening protocol for dispersants effectiveness consists of placing water, oil, and dispersants in a flask placed on an orbital shaker. Two flasks are being investigated, the Swirling Flask and the Baffled Flask. The BF contains baffles that induce an over-and-under type of mixing that somewhat better simulates breaking waves. We use hot-wire anemometer to measure the velocity distributions in both flasks rotating at a speed of 150 rpm. The measurements were conducted in small portions near the centers of the flasks. We found that the average velocity in the BF was about 5 times larger than that in the BF. The velocity in the BF was essentially uniform with depth, while that in the SW decreased sharply with depth. The computed energy dissipation rates per unit integral length scale were about 0.03 and 0.92 in the SF and the BF, respectively.

Original languageEnglish (US)
Title of host publicationOil and Gas Hydrocarbon Spills III
Subtitle of host publicationModelling, Analysis and Control
EditorsC.A. Brebbia
PublisherWITPress
Pages211-218
Number of pages8
Volume11
ISBN (Print)1853128147
StatePublished - Dec 1 2002
Externally publishedYes
EventFirst International Conference on Oil and Hydrocarbon Spills: Modelling, Analysis and Control, Oil Spill III - Rhodes, Greece
Duration: Sep 17 2002Sep 19 2002

Other

OtherFirst International Conference on Oil and Hydrocarbon Spills: Modelling, Analysis and Control, Oil Spill III
CountryGreece
CityRhodes
Period9/17/029/19/02

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Fingerprint Dive into the research topics of 'Evaluation of mixing energy in the swirling and baffled flasks'. Together they form a unique fingerprint.

Cite this