Experimental investigation on gas-particle two-phase flow characteristics in particle curtain heat exchanger

CHEN Donglin; LI Heng; CHENG Songqing; WU Xiuzhen; WEN Cong; XIONG Ying; YE Tuo

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Experimental investigation on gas-particle two-phase flow characteristics in particle curtain heat exchanger

Thermal Power Generation Issue 10, (2016)

更新时间：2025-09-28

- Experimental investigation on gas-particle two-phase flow characteristics in particle curtain heat exchanger
- 作者机构：
  
  1. 长沙理工大学能源与动力工程学院,湖南,长沙,410114
  2. 株洲新时代环保科技有限公司,湖南,株洲,412007
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK172
- Published Online：15 October 2016，
  
  Published：2016
- 稿件说明：
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CHEN Donglin, LI Heng, CHENG Songqing, et al. Experimental investigation on gas-particle two-phase flow characteristics in particle curtain heat exchanger[J]. Thermal Power Generation, 2016, (10).
DOI：

CHEN Donglin, LI Heng, CHENG Songqing, et al. Experimental investigation on gas-particle two-phase flow characteristics in particle curtain heat exchanger[J]. Thermal Power Generation, 2016, (10). DOI：

摘要

在颗粒帘换热器实验平台上，运用实验测量和理论分析等方法，开展了颗粒帘换热器中气粒两相流动特性的冷态实验。结果表明:当颗粒空隙率较低时

颗粒流卷吸周围空气量减小

换热器通道内下落颗粒帘出现扩散现象

反之

颗粒帘出现收敛现象；颗粒帘后部气流速度随进气速度及颗粒帘初始厚度的增加而增大

随颗粒粒径及颗粒质量流量的增加而减小；进气速度、颗粒质量流量对颗粒帘后部气流速度的影响大于颗粒帘初始厚度、颗粒粒径的影响；颗粒帘后部气流速度随颗粒帘下落高度的增加而增大。

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