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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
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Modular and Cost-Effective Computed Tomography Design.

André Bieberle1, Rainer Hoffmann2, Alexander Döß1

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Summary
This summary is machine-generated.

A new modular gamma ray computed tomography system enhances multiphase flow studies in industrial settings. This cost-effective system improves imaging of industrial apparatuses, offering faster scan times and flexible applications.

Keywords:
column hydraulicscomputed tomography scannermultiphase investigationsprocess intensificationradiation detectors

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Area of Science:

  • Nuclear Engineering
  • Industrial Process Tomography
  • Multiphase Flow Measurement

Background:

  • Industrial multiphase flow analysis requires advanced imaging techniques.
  • Existing gamma ray computed tomography (CT) systems can be limited in flexibility and cost-effectiveness.
  • There is a need for upgraded tomography setups for studying complex industrial processes.

Purpose of the Study:

  • To develop a modular and cost-effective gamma ray computed tomography (CT) system.
  • To enhance multiphase flow investigations in industrial apparatuses.
  • To demonstrate the system's capability for imaging various industrial columns.

Main Methods:

  • Utilized a 137Cs isotopic source and an in-house-assembled detector arc with 16 scintillation detectors.
  • Implemented a dual-energy discrimination stage in pulse mode to exclude scattered gamma photons.
  • Employed a scanning procedure allowing simultaneous parallel beam projection acquisition for flexible object sizes and densities.

Main Results:

  • Achieved a quantum efficiency of approximately 75% per detector.
  • Demonstrated reduced scan times due to simultaneous parallel beam projection.
  • Successfully performed radiographic and computed tomographic scans on DN110 and DN440 columns under varying liquid-gas flow rates.

Conclusions:

  • The developed gamma ray CT system is modular, cost-effective, and upgrades existing industrial tomography setups.
  • The system offers flexible application for diverse industrial apparatuses and flow conditions.
  • This technology provides enhanced capabilities for multiphase flow investigations in industry.