Magnetic resonance characterization of coupled gas and particle dynamics in a bubbling fluidized bed

C. M. Boyce, N. P. Rice, A. Ozel, J. F. Davidson, A. J. Sederman, L. F. Gladden, Sankaran Sundaresan, J. S. Dennis, D. J. Holland

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Abstract

Relative flow between granular material and gas can create phenomena in which particles behave like a liquid with bubbles rising through them. In this paper, magnetic resonance imaging is used to measure the velocities of the gas and solid phases in a bubbling fluidized bed. Comparison with theory shows that the average velocity of gas through the interstices between particles is predicted correctly by classic analytical theory. Experiments were also used to validate predictions from computer simulations of gas and solid motion. The experiments show a wide distribution of gas velocities in both bubbling and emulsion regions, providing a different direction for computational and analytical theory.

Original languageEnglish (US)
Article number074201
JournalPhysical Review Fluids
Volume1
Issue number7
DOIs
StatePublished - Nov 2016

All Science Journal Classification (ASJC) codes

  • Computational Mechanics
  • Modeling and Simulation
  • Fluid Flow and Transfer Processes

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    Boyce, C. M., Rice, N. P., Ozel, A., Davidson, J. F., Sederman, A. J., Gladden, L. F., Sundaresan, S., Dennis, J. S., & Holland, D. J. (2016). Magnetic resonance characterization of coupled gas and particle dynamics in a bubbling fluidized bed. Physical Review Fluids, 1(7), [074201]. https://doi.org/10.1103/PhysRevFluids.1.074201