Motion of Spherical Particles in a Rotating Rectangle Vessel Filled with Water

Autor:	Kuniomi Asakura, Satoru Tsuno, Midori Mizuno
Rok vydání:	2004
Předmět:	Physics::Fluid Dynamics Physics Classical mechanics Continuous phase modulation Distribution (mathematics) Flow velocity Flow (mathematics) Point (geometry) Mechanics Particle size Rectangle Discrete element method
Zdroj:	Shigen-to-Sozai. 120:99-105
ISSN:	1880-6244 0916-1740
DOI:	10.2473/shigentosozai.120.99
Popis:	Coarse particles in a solid-liquid flow through a pipe settle and come into contact with each other at the bottom of the pipe. In order to simulate such flows by means of the conventional point force model, the grid size of the continuous phase must be much larger than the particle diameter. This causes low resolution of fluid velocity. In this study, a method for simulating a flow containing spherical particles 1.7-times larger than the size of the fluid grid was mentioned. A distinct element method (DEM) used for uniform particles in diameter was also improved for particles with size distribution. A comparison of results obtained by simulation with experimental observations indicated that results with acceptable levels of engineering accuracy for predicting motions of coarse particles in solid-liquid flows can be obtained by using the proposed method.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::119760f1f8b4c3a881d11c0796f8d8af https://doi.org/10.2473/shigentosozai.120.99 Zobrazit plný text záznamu