Journal
PROCESSES
Volume 10, Issue 7, Pages -Publisher
MDPI
DOI: 10.3390/pr10071322
Keywords
oscillating flow; drag models; one-dimensional; Stokes; Basset; Schiller & Naumann; Landau & Lifshitz; epsilon-Re plane; spheres; particles
Categories
Funding
- Boysen-TU Dresden-Research Training Group
- TU Dresden
- Friedrich and Elisabeth Boysen Foundation [BOY-135]
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This paper calculates the relaxation behavior of a rigid particle suspended in a one-dimensional oscillating flow according to different drag models and compares the results. Conditions are derived for neglecting relaxation or substituting drag models with simpler ones. The investigation is conducted analytically and graphically using the plane defined by the Reynolds number and amplitude parameter.
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.
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