CFD-DEM Simulation of Particle Behaviors under Acceleration in a Solid-Air Two Phase Flow
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- ZHAO Tong
- Department of Mechanical Engineering, College of Science and Technology, Nihon University
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- TAKEI Masahiro
- Department of Mechanical Engineering, College of Science and Technology, Nihon University
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The present paper introduces a numerical study of the particle behaviors under acceleration conditions in the solid-air two-phase flow by means of a combined two-dimensional model of computational fluid dynamics and the discrete element method (CFD-DEM). The simulation model provides information regarding the particle distribution behaviors within the calculation region and the particle run-out rate from the calculation region under different parameter conditions, such as particle size, initial particle loading and particle acceleration condition. The results demonstrate that the particle run-out rate is directly affected by the particle size and the initial loading condition. The particle acceleration in the horizontal direction adversely affects the particle run-out rate when the initial particle loading condition is dispersed and uniform. However, this adverse effect disappears when the initial particle loading condition becomes concentrated and partial.
収録刊行物
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- 日本冷凍空調学会論文集
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日本冷凍空調学会論文集 27 (2), 161-168, 2010
公益社団法人 日本冷凍空調学会
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詳細情報 詳細情報について
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- CRID
- 1390282679641751168
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- NII論文ID
- 10026793848
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- NII書誌ID
- AA11125910
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- ISSN
- 2185789X
- 13444905
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- NDL書誌ID
- 10767573
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可