A material-property-dependent sub-grid drag model for coarse-grained simulation of 3D large-scale CFB risers

• Published in: Chemical engineering science Vol. 204; pp. 228 - 245
• Main Authors: Zhu, Li-Tao, Liu, Yuan-Xing, Tang, Jia-Xun, Luo, Zheng-Hong
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 31.08.2019
• Subjects: Coarse-grained simulation; Computational fluid dynamics; Fluidization; Material property dependence; Meso-scale structures; Sub-grid model development; Sub-grid model development; Coarse-grained simulation; Fluidization; Computational fluid dynamics; Material property dependence; Meso-scale structures

[Display omitted] •A material-property-dependent sub-grid drag modification is developed.•The newly constituted correction model is verified by highly-resolved simulation results.•Results reveal an essential dependence of sub-grid drag correction on material properties.•Hydrodynamic validation predi...