Particle pressures in fluidized beds

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Description

This is an experimental project to make detailed measurements of the particle pressures generated in fluidized beds. The focus lies in two principle areas: (1) the particle pressure distribution around single bubbles rising in a two-dimensional gas-fluidized bed and (2) the particle pressures measured in liquid-fluidized beds. This first year has largely been to constructing the experiments The design of the particle pressure probe has been improved and tested. A two-dimensional gas-fluidized bed has been constructed in order to measure the particle pressure generated around injected bubbles. The probe is also being adapted to work in a liquid fluidized bed. ... continued below

Physical Description

Pages: (28 p)

Creation Information

Campbell, C.S.; Rahman, K.; Hu, X.; Jin, C. & Potapov, A.V. January 1, 1992.

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Description

This is an experimental project to make detailed measurements of the particle pressures generated in fluidized beds. The focus lies in two principle areas: (1) the particle pressure distribution around single bubbles rising in a two-dimensional gas-fluidized bed and (2) the particle pressures measured in liquid-fluidized beds. This first year has largely been to constructing the experiments The design of the particle pressure probe has been improved and tested. A two-dimensional gas-fluidized bed has been constructed in order to measure the particle pressure generated around injected bubbles. The probe is also being adapted to work in a liquid fluidized bed. Finally, a two-dimensional liquid fluidized bed is also under construction. Preliminary measurements show that the majority of the particle pressures are generated in the wake of a bubble. However, the particle pressures generated in the liquid bed appear to be extremely small. Finally, while not directly associated with the particle pressure studies, some NERSC supercomputer time was granted alongside this project. This is being used to make large scale computer simulation of the flow of granular materials in hoppers.

Physical Description

Pages: (28 p)

Notes

OSTI; NTIS; GPO Dep.

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Identifier

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  • Other: DE92040558
  • Report No.: DOE/ER/14223-T1
  • Grant Number: FG03-91ER14223
  • DOI: 10.2172/7025427 | External Link
  • Office of Scientific & Technical Information Report Number: 7025427
  • Archival Resource Key: ark:/67531/metadc1196100

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • January 1, 1992

Added to The UNT Digital Library

  • July 2, 2018, 10:52 p.m.

Description Last Updated

  • July 30, 2018, 5:16 p.m.

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Campbell, C.S.; Rahman, K.; Hu, X.; Jin, C. & Potapov, A.V. Particle pressures in fluidized beds, report, January 1, 1992; United States. (https://digital.library.unt.edu/ark:/67531/metadc1196100/: accessed May 20, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.