ECT Image Analysis Methods for Shear Zone Measurements during Silo Discharging Process

Krzysztof Grudzien; Zbigniew Chaniecki; Andrzej Romanowski; Maciej Niedostatkiewicz; Dominik Sankowski

doi:10.1016/S1004-9541(12)60396-6

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ECT Image Analysis Methods for Shear Zone Measurements during Silo Discharging Process

SELECTED PAPERS FROM THE 6TH WORLD CONGRESS ON INDUSTRIAL PROCESS TOMOGRAPHY (WCIPT6) | Updated：2026-01-06

- ECT Image Analysis Methods for Shear Zone Measurements during Silo Discharging Process
- ECT Image Analysis Methods for Shear Zone Measurements during Silo Discharging Process
- 中国化学工程学报（英文版） 2012年20卷第2期页码：337-345
- Affiliations：
  
  1. Computer Engineering Department, Technical University of Lodz, Stefanowskiego 18/22 str,Lodz,Poland,90-924
  2. Department of Fundamentals of Building and Material Engineering, Gdansk University of Technology,Gdansk,Poland
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(12)60396-6
  中图分类号：
- 纸质出版：2012
- Accepted：
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Krzysztof Grudzien, Zbigniew Chaniecki, Andrzej Romanowski, 等. ECT Image Analysis Methods for Shear Zone Measurements during Silo Discharging Process[J]. 中国化学工程学报（英文版）, 2012,20(2):337-345.

Krzysztof Grudzien, Zbigniew Chaniecki, Andrzej Romanowski, Maciej Niedostatkiewicz, Dominik Sankowski. ECT Image Analysis Methods for Shear Zone Measurements during Silo Discharging Process[J]. , 2012, 20(2): 337-345.
Krzysztof Grudzien, Zbigniew Chaniecki, Andrzej Romanowski, 等. ECT Image Analysis Methods for Shear Zone Measurements during Silo Discharging Process[J]. 中国化学工程学报（英文版）, 2012,20(2):337-345. DOI： 10.1016/S1004-9541(12)60396-6.

Krzysztof Grudzien, Zbigniew Chaniecki, Andrzej Romanowski, Maciej Niedostatkiewicz, Dominik Sankowski. ECT Image Analysis Methods for Shear Zone Measurements during Silo Discharging Process[J]. , 2012, 20(2): 337-345. DOI： 10.1016/S1004-9541(12)60396-6.

摘要

Abstract

The paper covers the electrical capacitance tomography (ECT) data analysis on shear zones formed during silo discharging process.This is due to the ECT aptitude for detection of slight changes of material concentration.On the basis of ECT visualisations

wall-adjacent shear zone profiles are analysed for different wall roughness parameters.The analysis on changes of material concentration

based on ECT images

enables the calculation for the characteristic parameters of shear zones-size and material concentration inside the shear zone in a dynamic process of silo discharging.In order to verify the methodology a series of experiments on gravitational flow of bulk solids under various conditions were conducted with different initial granular material packing densities and silo wall roughness.The investigation shows that the increase in container wall roughness is an effective method for reducing the dynamic effects during the material discharging

since these effects are resulted from the resonance between hopper construction and trembling material.Such effects will damage industrial equipment in practical applications and need further investigation.

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