Calculating the Out-core Radioactivity in VVR-S Reactor after Shutdown

M. Rahgoshay; M. Hashemi-Tilehnoee; M. Khaleghi

doi:10.17485/ijst/2014/v7i9/59461

Calculating the Out-core Radioactivity in VVR-S Reactor after Shutdown

M. Rahgoshay ¹, M. Hashemi-Tilehnoee ², M. Khaleghi ³

Affiliations
1 Department of Nuclear Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran, Islamic Republic of
2 Young Researchers and Elite Club, Aliabad Katoul Branch, Islamic Azad University, Aliabad Katoul, Iran, Islamic Republic of
3 Department of Mechanical Engineering, Sirjan University of Technology, Kerman, Iran, Islamic Republic of

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The results of coupled nuclear codes, WIMS-CITATION-ANISN-ORIGEN/MCNP-ORIGEN, and gamma spectrometry measurements of representative samples are compared. Based on this methodology, the radiation level of the reactor block materials at 4050 days after shutdown could be estimated. The aluminum and graphite are the most activated waste material. Iron cast and concrete are radioactive wastes, too.