EFFECTS OF GEOMETRIC STRUCTURE OF CIRCULATING FLUIDIZED BED WALLS ON GAS-SOLID FLOW CHARACTERISTICS

Qian Shizhi; Lu Jidong; Huang Shuhua; Lin Zhijie; Liu Dechang(National Laboratory of Coal Combustion

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EFFECTS OF GEOMETRIC STRUCTURE OF CIRCULATING FLUIDIZED BED WALLS ON GAS-SOLID FLOW CHARACTERISTICS

更新时间：2025-12-16

- EFFECTS OF GEOMETRIC STRUCTURE OF CIRCULATING FLUIDIZED BED WALLS ON GAS-SOLID FLOW CHARACTERISTICS
- CIESC Journal Issue 6, (1996)
- 作者机构：
  
  华中理工大学煤燃烧国家重点实验室!武汉430074,华中理工大学煤燃烧国家重点实验室!武汉430074,华中理工大学煤燃烧国家重点实验室!武汉430074,华中理工大学煤燃烧国家重点实验室!武汉430074,华中理工大学煤燃烧国家重点实验室,武汉,430074
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q02
- Online First：25 December 1996，
  
  Published：25 December 1996
- 稿件说明：
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Qian Shizhi, Lu Jidong, Huang Shuhua, et al. EFFECTS OF GEOMETRIC STRUCTURE OF CIRCULATING FLUIDIZED BED WALLS ON GAS-SOLID FLOW CHARACTERISTICS[J]. CIESC Journal, 1996, (6).
DOI：

Qian Shizhi, Lu Jidong, Huang Shuhua, et al. EFFECTS OF GEOMETRIC STRUCTURE OF CIRCULATING FLUIDIZED BED WALLS ON GAS-SOLID FLOW CHARACTERISTICS[J]. CIESC Journal, 1996, (6). DOI：

摘要

采用反射式光导纤维探头对平壁和膜式壁面的循环流化床内的局部瞬态颗粒浓度进行测量，并应用时间序列分析方法对两种不同壁面几何结构的床内的动态特性进行分析.研究结果表明，循环流化床内存在明显的时空结构不均匀性，壁面的几何形状对壁面附近的气固流动特性存在显著的影响．

Abstract

A reflection-type optical fiber probe was used to measure the local transient solid concentrations in circulating fluidized beds with smooth and membrane walls

and the dynamic characteristics in beds with two different geometric structure of walls were analyzed with the method of time series analysis.According to the results

there existed obvious non-even characteristics of temporal-spatial structure

the geometric structure of walls had obvious effects on the flow characteristics of gas and solids near the wall.

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