NUMERIC EXPERIMENTAL STUDY ON THE AERODYNAMIC FIELD IN RICH/LEAN PULVERIZED COAL BURNER WITH BLUNT BODY

doi:10.19666/j.rlfd.2003.06.004

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NUMERIC EXPERIMENTAL STUDY ON THE AERODYNAMIC FIELD IN RICH/LEAN PULVERIZED COAL BURNER WITH BLUNT BODY

Thermal Power Generation Issue 6, Pages: 11-14(2003)

更新时间：2025-09-28

- NUMERIC EXPERIMENTAL STUDY ON THE AERODYNAMIC FIELD IN RICH/LEAN PULVERIZED COAL BURNER WITH BLUNT BODY
- 作者机构：
  
  1. 浙江科技学院
  2. 浙江大学,浙江,杭州,310012
  3. ,浙江,杭州,310027
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2003.06.004
  CLC： TK223.23
- Published：2003
- 稿件说明：
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NUMERIC EXPERIMENTAL STUDY ON THE AERODYNAMIC FIELD IN RICH/LEAN PULVERIZED COAL BURNER WITH BLUNT BODY[J]. Thermal Power Generation, 2003, (6): 11-14.
DOI：

NUMERIC EXPERIMENTAL STUDY ON THE AERODYNAMIC FIELD IN RICH/LEAN PULVERIZED COAL BURNER WITH BLUNT BODY[J]. Thermal Power Generation, 2003, (6): 11-14. DOI： 10.19666/j.rlfd.2003.06.004.

摘要

对钝体喷口的煤粉浓淡分离复合型燃烧器内的空气动力场进行了数值试验研究。气相场计算采用标准双方程湍流模型

网格系统采用三角形网格。通过将燃烧器内部和喷口射流炉内区域有机结合起来进行一体化计算

分别得到了内置钝体和外置钝体 2种喷口的整个气流场的空气动力特性。经分析对照

发现内置钝体的煤粉浓淡燃烧器有着更好的使用效果

Abstract

The experimental study on aerodynamic field in composite burner of rich/lean pulverized coal separated in spout of the blunt body has been carried out. The standard dual equation turbulence model is used for calculating the gas-phase field

and the triangle grid being used for establishing the grid system. Through organic combination of the burner’s inner space with the spout jet inside the Furnace

an integrated calculation has been performed

obtaining aerodynamic behavior in the whole gas flow field under conditions of innerpositioned blunt body and outer-positioned blunt body respectively. After analysis and comparison

it is found that the rich/lean pulverized coal burner with inner-positioned blunt body has better effectivencess in application.

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