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Tomographic Diagnostics of NPP

#0275


Development and Creation of Basic Complex of Resources for Radionuclide Computer Tomographic Diagnostics of Nuclear Power Object and Common Industrial Articles.

Tech Area / Field

  • INS-MEA/Measuring Instruments/Instrumentation

Status
3 Approved without Funding

Registration date
25.10.1994

Leading Institute
VNIITFA, Russia, Moscow

Project summary

The goal of the project is the development, design and manufacturing of prototype modules for a system of computer radionuclide tomography. Operation of the system is based on the measurement of radiation from a well collimated external gamma source that penetrates through a tested sample of material. The project offers the following specifications for some parameters of the system: size of tested samples - from 5 to 250 mm, time needed for accumulation of the tomogram data - up to 5 minutes, time for tomogram generation up to 2 minutes,spatial resolution - 1% of the sample maximum size. The system will be capable of detecting contrast defects and varying density regions exceeding 0.1 mm in materials with specific density up to 12 g/cm**3, controlling a relative position of elements of mechanical constructions with 0.2-0.4 mm uncertainty, and of detecting porous regions and separations of 0.1mm in composite materials.

Possible applications of the proposed tomograph - for diagnostics in quality control systems in industry, for materials and equipment tests in research laboratories.

The base system will consist of:the following modules:

- measurement scanning module with radiation source and detector,

- module for measurement control and data acquisition,

- module for data analysis and report generation,

- basic set of computer programs for the tomogram generation,

- computer program set for tomography in nuclear industry,

- computer program set for wide industrial application.

Development of this system will increase the number of tools available for the quality assurance systems in the nuclear power industry and in other areas of its application, for instance, oil industry, geology.

Eight weapon scientists will be involved in the project. The specialists have an experience in design of systems for nondestructive measurements and control. They are internationally recognized for their experience in the field of radionuclide computer tomography.


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