Journal
CHEMICAL PRODUCT AND PROCESS MODELING
Volume 17, Issue 5, Pages 531-582Publisher
WALTER DE GRUYTER GMBH
DOI: 10.1515/cppm-2020-0103
Keywords
CFD-DEM; drag force; non-spherical; size distribution; TFM
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Funding
- Iran National Science Foundation (INSF) [96015422]
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This article investigates the accuracies, implementation issues, and limitations of drag force models for various systems, collecting data points from multiple sources to evaluate their performance. A comprehensive discussion on the accuracy and application of these models, specifically on mono-dispersed and poly-dispersed spherical particles, is provided in the article.
Drag force models are one of the most important factors that can affect TFM and CFD-DEM simulation results of two-phase systems. This article investigates the accuracies, implementation issues and limitations of the majority of the drag models for spherical, non-spherical and systems with size distribution and evaluates their performance in various simulations. Around 1888 data points were collected from 19 different sources to evaluate the drag force closures on mono-dispersed spherical particles. The Reynolds number and fluid volume fraction ranges were between 0.01 and 10,000 and between 0.33 and 1, respectively. In addition, 776 data points were collected from seven different sources to evaluate the drag force closures on poly-dispersed spherical particles. The Reynolds numbers were between 0.01 and 500, fluid volume fractions between 0.33 and 0.9, and diameter ratios up to 10. A comprehensive discussion on the accuracy and application of these models is given in the article.
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