Numerical study on concentration distribution of particles in a supercritical CFB boiler furnace during circulating loop interruption

ZOU Yangjun; CHENG Leming; XU Linjie; XIA Yunfei; WU Linghui; HE Sheng

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Numerical study on concentration distribution of particles in a supercritical CFB boiler furnace during circulating loop interruption

Thermal Power Generation Issue 12, (2016)

更新时间：2025-09-28

- Numerical study on concentration distribution of particles in a supercritical CFB boiler furnace during circulating loop interruption
- 作者机构：
  
  1. 华电电力科学研究院,浙江,杭州,310030
  2. 浙江大学能源清洁利用国家重点实验室,浙江,杭州,310027
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK229.2
- Published Online：27 December 2016，
  
  Published：2016
- 稿件说明：
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ZOU Yangjun, CHENG Leming, XU Linjie, et al. Numerical study on concentration distribution of particles in a supercritical CFB boiler furnace during circulating loop interruption[J]. Thermal Power Generation, 2016, (12).
DOI：

ZOU Yangjun, CHENG Leming, XU Linjie, et al. Numerical study on concentration distribution of particles in a supercritical CFB boiler furnace during circulating loop interruption[J]. Thermal Power Generation, 2016, (12). DOI：

摘要

以六回路超临界循环流化床(CFB)锅炉冷态模化试验台为研究对象

采用欧拉双流体模型和Gidaspow曳力模型

对超临界CFB锅炉回路中断时炉内固相体积分数变化规律进行了数值模拟。结果表明:回路中断前炉内轴向固相质量浓度呈近“S”型分布；单回路和异侧两回路中断后

炉内平均固相体积分数波动下降

最后趋于稳定；同侧两回路中断时

炉内平均固相体积分数基本呈直线型下降

最后趋于稳定；炉膛左右两侧平均固相体积分数下降趋势一致

但相差半个波动周期；同侧两回路中断时的波动周期明显大于异侧两回路中断时的波动周期。

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