[Oral Presentation]基于螺带式混合器的非球颗粒混合特性研究

Organized By

Hohai University

Monash University

Co-organized by

Southeast University

Jiangxi University of Science and Technology

Northeast University

DUT-BSU Scientific Research and Innovation Center

Suzhou University of Science and Technology

State Key Laboratory of Structural Analysis, Optimization and CAE Software for Industrial Equipment

Sponsoring agency

KELI SDEM Software (Dalian) Co., Ltd.

Sugon Smart Computing Information Technology Co., Ltd.

Beijing Paratera Technology Co., Ltd.

Simpop Information Technology Co., Ltd.

Important Dates

Conference Announcement

December 2023, release First Round Announcement
Abstract Submission Deadline
March 31^th, 2024
Paper Submission Deadline
April 30^th, 2024
Registration
From January 1^st, 2024
Conference Schedule
May 31^st (Friday), 2024 On-Site Registration
June 1^st to 3^rd, 2024 Conference

基于螺带式混合器的非球颗粒混合特性研究

ID：159 Submission ID：115 View Protection：ATTENDEE Updated Time：2024-04-10 17:21:33 Hits：544 Oral Presentation

Start Time：Pending （Asia/Shanghai）

Duration：Pending

Session：[No Session] » [No Session Block]

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Abstract

非球颗粒混合过程普遍存在于工业生产中，而颗粒形状是影响其混合行为的关键因素。本文采用离散单元法研究螺带式双卧轴混合器中非球颗粒的混合机理。利用超二次曲面描述非球颗粒几何形状，并采用Lacey混合系数评判非球颗粒混合状态。研究了颗粒体积、颗粒形状和滑动摩擦系数等对混合性能的影响。研究结果表明，颗粒体积和滑动摩擦系数对颗粒混合效率具有显著影响；而颗粒形状对混合效率影响相对较小。同时，采用碰撞颗粒间相对速度概率密度对颗粒混合行为进行评估，发现对碰撞颗粒间相速度越大，颗粒相对运动趋势越大，混合效率越高。

Keywords

非球颗粒，离散元法，Lacey混合系数，相对速度，混合效率

Speaker

孟华阳

学生 广东工业大学

Submission Author

孟华阳广东工业大学

高伟广东工业大学

Sponsored By

Hohai University

Panel of Computational Mechanics on Granular Materials, Working Party of Computational Mechanics, Chinese Society of Theoretical and Applied Mechanics

Jiangsu Society of Theoretical and Applied Mechanics