Making and suspension capabilities of vibratory agitators in a slab tank

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Description

Seven different vibratory agitators, consisting of single and dual flat blade configurations or dual angle blade configurations, were studied for their ability to produce mixing and solid suspension in a slab tank. The mixing behavior of the various configurations was recorded on video tape, and mixing times were measured as the time needed to disperse injected dye. The solid suspension tests, using ash tray sand, were conducted to determine the minimum stroke frequency of the agitators needed for complete off-bottom suspension. The mixing studies demonstrated that vibratory agitation produced strong vertical fluid motion, good bulk circulation and dispersion in the ... continued below

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33 p.

Creation Information

Ramsey, C. J.; Kyser, E. A., III & Tatterson, G. B. Spring 1988.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this report can be viewed below.

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  • Savannah River Laboratory
    Publisher Info: E.I. DuPont de Nemours and Co., Savannah River Lab., Aiken, SC (United States)
    Place of Publication: Aiken, South Carolina

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Description

Seven different vibratory agitators, consisting of single and dual flat blade configurations or dual angle blade configurations, were studied for their ability to produce mixing and solid suspension in a slab tank. The mixing behavior of the various configurations was recorded on video tape, and mixing times were measured as the time needed to disperse injected dye. The solid suspension tests, using ash tray sand, were conducted to determine the minimum stroke frequency of the agitators needed for complete off-bottom suspension. The mixing studies demonstrated that vibratory agitation produced strong vertical fluid motion, good bulk circulation and dispersion in the liquid. The effects of stroke frequency, n; amplitude, a; blade width, w; blade clearance, c; and liquid depth, h, on mixing time, {theta}, were studied. Single blade geometries produced complete mixing in the least number of strokes. The most effective geometry, in terms of both mixing and solid suspension, was a single flat blade with minimum off-bottom clearance and a blade width/tank thickness ratio, w/T, of 0.74 at the maximum stroke amplitude of 51 mm.

Physical Description

33 p.

Notes

OSTI as DE98007426

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  • Other Information: PBD: [1988]

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  • Other: DE98007426
  • Report No.: DP-MS--88-228
  • Grant Number: AC09-76SR00001
  • DOI: 10.2172/665918 | External Link
  • Office of Scientific & Technical Information Report Number: 665918
  • Archival Resource Key: ark:/67531/metadc710438

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • Spring 1988

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • March 23, 2016, 11:25 a.m.

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Ramsey, C. J.; Kyser, E. A., III & Tatterson, G. B. Making and suspension capabilities of vibratory agitators in a slab tank, report, Spring 1988; Aiken, South Carolina. (digital.library.unt.edu/ark:/67531/metadc710438/: accessed October 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.