Introductory Review on an Engineering Approach for Fast-Bed Modeling in Mimic to Bubbling Bed Practice

Ming-Chuan Zhang and Zhu Zhang

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Abstract: Based on the downward-penetrating particle flow through clusters and the analogy between a falling cluster and a rising bubble identified by the authors, a "type-A-choking-oriented separate-phase-coexistence model" for the upper dilute region of fast beds was established first. Without any model parameter adjustment, the unified model predicted successfully the type C choking, the solids holdup of upper dilute region, and transitions to the high-density fast bed and the dense suspension up-flow.

Keywords: fast fluidization; separate-phase model; type A choking; cluster rebound; solids holdup distribution (search for similar items in EconPapers)
JEL-codes: Q40 (search for similar items in EconPapers)
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Persistent link: https://EconPapers.repec.org/RePEc:ito:pchaps:112844

DOI: 10.5772/68107

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