Case Studies of Demonstration Tests Using PVT Detectors

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last updated：Jul 26, 2016

仁木工芸

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We are publishing a demonstration experiment using a PVT detector!

This case study collection presents the demonstration tests of a pass-through decontamination waste and radioactivity measurement device using a PVT detector, conducted by a company that imports and sells various products including radiation measurement devices, X-ray non-destructive testing equipment, goniometers, X-ray optical instruments, as well as freezers and bio-sample refrigerators. In the decontamination project following the nuclear power plant accident, tests were conducted with the aim of quickly sorting and reducing the large amounts of contaminated waste generated, measuring the radiation concentration, and moving it to intermediate storage facilities. The PTV detector was installed in a spatial dose rate field of 0.35-0.4 μSv/hr, which is close to actual installation conditions, to demonstrate the performance of the device. As a result of the demonstration tests, it was confirmed that stable results could be obtained by measuring accident shielding and standard samples (samples taken from the material and quantitatively analyzed using Ge or NaI) according to the vehicles passing after installation, and calculating the conversion counts. [Overview] ■ Demonstration tests of a pass-through decontamination waste and radioactivity measurement device using a PVT detector *For more details, please refer to the catalog or feel free to contact us.

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【Contents】 ■Purpose of the device ■Purpose of the experiment ■Location and institution of the experiment ■Equipment configuration ■Environmental and sample conditions ■Experimental results ■Evaluation of measurement variability ■Evaluation of the effect of passage speed ■Estimation of contamination location ■Regarding collimated shielding ■Counting in the lateral direction ■Evaluation of absorption by soil ■Measurement with mixed loading ■Measurement with a single FIBC ■Summary ■Acknowledgments *For more details, please refer to the catalog or feel free to contact us.