计算物理 ›› 1992, Vol. 9 ›› Issue (4): 377-381.

• 论文 • 上一篇    下一篇

球形封闭容器中粉尘爆炸特性的数值分析

丁大玉, 范宝春, 汤明钧   

  1. 华东工学院化工系, 南京 210014
  • 收稿日期:1992-02-25 出版日期:1992-12-25 发布日期:1992-12-25

NUMERICAL ANALYSIS OF CHARACTERISTICS OF ALUMINIUM DUST EXPLOSIONS IN CLOSED SPHERICAL CHAMBER

Ding Dayu, Fan Baochun, Tang Mingjun   

  1. Department of Chemical Engingeering, East China Institute of Technology, Nanjing 210014
  • Received:1992-02-25 Online:1992-12-25 Published:1992-12-25

摘要: 本文采用拉格朗日变换、物理分裂法和自适应网格技术等数值方法,扩大了计算域,对20升球形容器中铝粉爆炸全过程进行了数值计算。计算结果与可测量的实验结果符合较好。

关键词: 粉尘爆炸, 火焰, 数值计算

Abstract: Numerial methods,including Lagrangian's transformation, physical splitting and self-adaptive grid technique, are used for enlarging domain of calculation and simulating the whole process of aluminium dust explosion in 20 litre closed spherical chamber in this paper. The results from simulation are in good agreement with measured experiment results.

Key words: dust explosion, flame, numerical calculation