Passive method-based clusters regulation of two-stage fluidized bed riser using dynamic cluster structure-dependent drag model

• Published in: Chemical engineering journal (Lausanne, Switzerland : 1996) Vol. 431; p. 134111
• Main Authors: Xiaoxue, Jiang, Shuyan, Wang, Baoli, Shao, Marcellus, Ugwuodo U., Huilin, Lu
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.03.2022
• Subjects: Cluster regulation; Computational criterion; DCSD drag model; Fluidized bed; KTGF-based TFM; Two-stage riser; Two-stage riser; KTGF-based TFM; Cluster regulation; DCSD drag model; Computational criterion; Fluidized bed

•The criterion distinguishing homogeneous flow from heterogeneous flow is proposed.•A transition regime exists from the first chamber to the second chamber.•Cluster diameter decreases in the contracting-diameter two-stage risers.•Cluster existence time fractions were reduced in diameter-transformed...