Study on Turbulence Field in Equipment for Chemical Metallurgy

马恩祥; 钱占民; 蔡志鹏; 刘德华; 严子纲; 杨剑青

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Study on Turbulence Field in Equipment for Chemical Metallurgy

更新时间：2025-12-16

- Study on Turbulence Field in Equipment for Chemical Metallurgy
- CIESC Journal Issue 3, (1982)
- 作者机构：
  
  中国科学院化工冶金研究所,中国科学院化工冶金研究所,中国科学院化工冶金研究所,中国科学院化工冶金研究所,中国科学院化工冶金研究所,中国科学院化工冶金研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 September 1982，
  
  Published：25 September 1982
- 稿件说明：
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马恩祥, 钱占民, 蔡志鹏, et al. Study on Turbulence Field in Equipment for Chemical Metallurgy[J]. CIESC Journal, 1982, (3).
DOI：

马恩祥, 钱占民, 蔡志鹏, et al. Study on Turbulence Field in Equipment for Chemical Metallurgy[J]. CIESC Journal, 1982, (3). DOI：

摘要

本文主要叙述了用DISA热线风速仪对下列三种装置中湍流流场的研究.(1)喷嘴:实验表明

在自由射流不同横截面上

(?)、（?）和ε_r以无因次坐标表示

均具有相似性

并求得等(?)(?)和等ε_(max)直线方程.(2)流化床:从流化床中(?)和ε的分布曲线可以看出

在分布板区域

这三者变化很大

对传质、传热有利.(3)顶燃式热风炉:由实验结果看出

一种改进的顶燃式热风炉的速度场和湍流场都是非常均匀的

因而可以延长炉龄、提高热利用率和节省能源.

Abstract

Study on turbulence field by means of DISA hot wire anemometry is described for: 1. Nozzle: time-averaged velocity

turbulent fluctuation velocity and turbulence intensity are shown to possess similarity when represented on dimen-sionless coordinates

and linear correlations were obtained for maximum turbulent fluctuation velocity and maximum turbulence intensity. 2. Fluidized Bed: time-averaged velocity

turbulent fluctuation velocity and turbulence intensity vary dramatically in distributor plate zone

which therefore defines a region of high mass and heat transfer. 3. Top-Fired Hot Stove: velocity and turbulence fields for a proposed design show a high degree of uniformity

which could be relied upon for prolonged stove life

high thermal efficiency

and energy saving.

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