Discrete numerical simulation of sheared particle flow in a vertical sandwich belt conveyor

IF 2.8 3区工程技术 Q1 MATHEMATICS, INTERDISCIPLINARY APPLICATIONS

Computational Particle Mechanics Pub Date : 2024-08-10 DOI:10.1007/s40571-024-00810-2

Biao Zhang, Wenjun Meng, Hanzhong Zhang, Xuan Yin

引用次数: 0

Abstract

In this study, an improved sandwich conveying numerical simulation model was used to analyse the influence of five factors on the conveying efficiency of a vertical sandwich belt conveyor. The mass flow rate of the model was verified using a test model. The results showed that the mass flow rate and shear depth increased as the belt speed increased. Additionally, the particle velocity tends to decrease with increase in depth, and increasing the pressing force increased the contact force chain. Furthermore, the contact force chain remained constant in the vertical direction. The strength of the contact force chain was maximised when the moisture content was 20–30%.

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垂直夹层带式输送机中剪切颗粒流动的离散数值模拟

本文采用改进的夹层输送数值模拟模型，分析了五个因素对垂直夹层带式输送机输送效率的影响。用试验模型对模型的质量流量进行了验证。结果表明：随着输送带转速的增加，输送带的质量流量和剪切深度均增大；颗粒速度随深度的增加而减小，压紧力的增加使接触力链增大。此外，接触力链在垂直方向上保持恒定。当含水率为20 ~ 30%时，接触力链的强度最大。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Computational Particle Mechanics Mathematics-Computational Mathematics

CiteScore

5.70

自引率

9.10%

发文量

期刊介绍： GENERAL OBJECTIVES: Computational Particle Mechanics (CPM) is a quarterly journal with the goal of publishing full-length original articles addressing the modeling and simulation of systems involving particles and particle methods. The goal is to enhance communication among researchers in the applied sciences who use "particles'''' in one form or another in their research. SPECIFIC OBJECTIVES: Particle-based materials and numerical methods have become wide-spread in the natural and applied sciences, engineering, biology. The term "particle methods/mechanics'''' has now come to imply several different things to researchers in the 21st century, including: (a) Particles as a physical unit in granular media, particulate ﬂows, plasmas, swarms, etc., (b) Particles representing material phases in continua at the meso-, micro-and nano-scale and (c) Particles as a discretization unit in continua and discontinua in numerical methods such as Discrete Element Methods (DEM), Particle Finite Element Methods (PFEM), Molecular Dynamics (MD), and Smoothed Particle Hydrodynamics (SPH), to name a few.