STUDY ON DYNAMICS OF PRESSURE FLUCTUATIONS FOR SLUGGING FLUIDIZED BED(I)FLUCTUATION MECHANISM AND MATHEMATICAL MODEL

朱家骅; 余华瑞; 石炎福

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STUDY ON DYNAMICS OF PRESSURE FLUCTUATIONS FOR SLUGGING FLUIDIZED BED(I)FLUCTUATION MECHANISM AND MATHEMATICAL MODEL

更新时间：2025-12-16

- STUDY ON DYNAMICS OF PRESSURE FLUCTUATIONS FOR SLUGGING FLUIDIZED BED(I)FLUCTUATION MECHANISM AND MATHEMATICAL MODEL
- CIESC Journal Issue 4, (1993)
- 作者机构：
  
  成都科技大学化工系,成都科技大学化工系,成都科技大学化工系成都610065,成都610065,成都,610065
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 August 1993，
  
  Published：25 August 1993
- 稿件说明：
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朱家骅, 余华瑞, 石炎福. STUDY ON DYNAMICS OF PRESSURE FLUCTUATIONS FOR SLUGGING FLUIDIZED BED(I)FLUCTUATION MECHANISM AND MATHEMATICAL MODEL[J]. CIESC Journal, 1993, (4).
DOI：

朱家骅, 余华瑞, 石炎福. STUDY ON DYNAMICS OF PRESSURE FLUCTUATIONS FOR SLUGGING FLUIDIZED BED(I)FLUCTUATION MECHANISM AND MATHEMATICAL MODEL[J]. CIESC Journal, 1993, (4). DOI：

摘要

分析了气固节涌流化床的非均匀特性及其特殊的波动结构.基于波动机理分析

提出了离散化的动力学分析方法

并建立了节涌流化床多自由度随机波动模型.结合频谱分析和统计分析方法

求得了模型矩阵解G_(△j△k)(ω)=H~*(ω)G_(δjδk)(ω)H~T(ω)此解可以表达节涌流化床的波动结构和压力波动功率谱.

Abstract

In this paper non-homogeneous characteristics and special fluctuation structures of gas-solid slugging fluidized bed is analysed. Based on analysis of fluctuation mechanism

a method of discrete analysis of fluctustion dynamics is proposed and a random model of multivariant vibration is set up for slugging bed. By combining spectual and statistic analysis

the model solution is obtained in the form of matrix equation GΔjΔk (ω) = H * (ω)Gδjδk(ω)HT(ω) It can be used to express the vibration structure and the power spectrum of pressure fluctuations in slugging bed.

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