DEM simulations of solid motion in rotary drum ash cooler

BAI Jueming; LIU Baiqian; BAI Jueying; TAN Peilai

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DEM simulations of solid motion in rotary drum ash cooler

Thermal Power Generation Issue 1, (2016)

更新时间：2025-09-28

- DEM simulations of solid motion in rotary drum ash cooler
- 作者机构：
  
  1. 北京科技大学机械工程学院,北京,100083
  2. 北京科技大学北京高校节能与环保工程研究中心,北京,100083
  3. 中国矿业大学环境与测绘学院,江苏,徐州,221116
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK284.6
- Published Online：15 February 2016，
  
  Published：2016
- 稿件说明：
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BAI Jueming, LIU Baiqian, BAI Jueying, et al. DEM simulations of solid motion in rotary drum ash cooler[J]. Thermal Power Generation, 2016, (1).
DOI：

BAI Jueming, LIU Baiqian, BAI Jueying, et al. DEM simulations of solid motion in rotary drum ash cooler[J]. Thermal Power Generation, 2016, (1). DOI：

摘要

研究通过离散单元法(DEM)模拟直观获得滚筒中的颗粒运动情况，分析滚筒中处于滚落状态下颗粒床的结构特点。结果表明：1)颗粒运动周期、主动层颗粒最大速率、主动层最大厚度、主动层最大厚度与料床最大深度之比的模拟值与理论模型的计算值相吻合；2)颗粒运动周期随转速的增加而减小，随填充率、滚筒直径的增加而增大；3)主动层颗粒最大速率随转速、填充率、滚筒直径的增加而增大；4)主动层最大厚度随转速、填充率、滚筒直径的增加而增大，δ/h随转速和滚筒直径的增加而减小，随填充率的增加而增大。

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