Gravitational settling of a highly concentrated system of solid spherical particles
- 作者: Arkhipov V.1, Usanina A.1
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隶属关系:
- Tomsk State University
- 期: 卷 24, 编号 5 (2017)
- 页面: 719-730
- 栏目: Article
- URL: https://journals.rcsi.science/1531-8699/article/view/217067
- DOI: https://doi.org/10.1134/S0869864317050079
- ID: 217067
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详细
In the present paper, we report on the results of an experimental study of the process of gravity sedimentation of a cloud of monodispersed solid spherical particles with initial volume concentration C > 0.03, which was performed in a wide range of Reynolds numbers. An analytical estimate of the settling regimes of spherical particle clouds is presented. A new method for creating a spherical particle cloud with a high concentration of particles is proposed. A qualitative picture of the settling process of a highly concentrated particle cloud under gravity is revealed. A criterial dependence for the drag coefficient of a sedimenting spherical particle cloud as an entity is obtained.
作者简介
V. Arkhipov
Tomsk State University
Email: Usaninaanna@mail.ru
俄罗斯联邦, Tomsk
A. Usanina
Tomsk State University
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Email: Usaninaanna@mail.ru
俄罗斯联邦, Tomsk