Simple Particle Relaxation Modeling in One-Dimensional Oscillating Flows

The relaxation of a rigid particle suspended in a one-dimensional oscillating flow is calculated according to different drag models and the results are compared. Conditions are derived under which relaxation can be neglected or drag models can be substituted by simpler ones. This investigation is co...

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Bibliographic Details
Published in:Processes 2022-07, Vol.10 (7), p.1322
Main Authors: Heidinger, Stefan, Unz, Simon, Beckmann, Michael
Format: Article
Language:English
Subjects:
Amplitudes
Drag
Flow control
Flow velocity
Fluid flow
Mathematical models
Oscillating flow
Parameters
Reynolds number
Validity
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Summary:The relaxation of a rigid particle suspended in a one-dimensional oscillating flow is calculated according to different drag models and the results are compared. Conditions are derived under which relaxation can be neglected or drag models can be substituted by simpler ones. This investigation is conducted analytically and graphically via the plane defined by the Reynolds number and amplitude parameter. This work matches various, mostly analytic drag models together to consider simple particle relaxation with a few, broad range input parameters and cover large parts of the plane spanned by Reynolds number and amplitude parameter.
ISSN:2227-9717
2227-9717
DOI:10.3390/pr10071322