CONFIRMING GAS-SOLID FLOW PATTERN IN TUBE WITH SPECTRUM-TOMOGRAPY IDENTIFICATION TECHNOLOGY

PAN Weiguo; LI Yang; NIE Xuejun; CAO Jiangmin; WANG Qijie; CEN Kefa

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CONFIRMING GAS-SOLID FLOW PATTERN IN TUBE WITH SPECTRUM-TOMOGRAPY IDENTIFICATION TECHNOLOGY

更新时间：2025-12-10

- CONFIRMING GAS-SOLID FLOW PATTERN IN TUBE WITH SPECTRUM-TOMOGRAPY IDENTIFICATION TECHNOLOGY
- CIESC Journal Issue 9, (2001)
- 作者机构：
  
  1. 上海电力学院
  2. 浙江大学
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 September 2001，
  
  Published：25 September 2001
- 稿件说明：
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PAN Weiguo, LI Yang, NIE Xuejun, et al. CONFIRMING GAS-SOLID FLOW PATTERN IN TUBE WITH SPECTRUM-TOMOGRAPY IDENTIFICATION TECHNOLOGY[J]. CIESC Journal, 2001, (9).
DOI：

PAN Weiguo, LI Yang, NIE Xuejun, et al. CONFIRMING GAS-SOLID FLOW PATTERN IN TUBE WITH SPECTRUM-TOMOGRAPY IDENTIFICATION TECHNOLOGY[J]. CIESC Journal, 2001, (9). DOI：

摘要

基于压力脉动信号的频谱特性和管截面图像重建算法

以及提出的流型脉动 -层析模糊判别法则

对工程中经常遇到的均匀流、层状流以及有“堵管”危险的流动进行了有效的检测

发现本文所提出的用压力脉动信号的频谱特征

依据管截面图像重建算法

在流型脉动 -层析模糊判别法则下

对水平管内流型的检测是可行的

并且检测结果与现场观察到的流型相一致

Abstract

Based on the frequency spectrum of pressure fluctuation of gas-solid two-phase flow and tube cross-section image reconstruction algorithm

as well as improved code with fluctation-tomography fuzzy discriminant analysis

uniform flow and stratified flow and the flow at which blockage of tube might happen were effectively detected by some experiments. These tomographic results demonstrate

that it is feasible to detect the flow pattern in horizontal tube by use of pressure fluctuation spectrum signature and tube cross-section image reconstruction algorithm with fluctuation-tomography fuzzy discriminant analysis.

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