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

M  Rahgoshay; M  Hashemi Tilehnoee  and M  Khaleghi

doi:10.17485/ijst/2014/v7i9.4

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

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2014/v7i9.4

Year: 2014, Volume: 7, Issue: 9, Pages: 1250–1254

Original Article

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

M. Rahgoshay^1*, M. Hashemi-Tilehnoee² and M. Khaleghi³

1 Department of Nuclear Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran; m.rahgoshay@gmail.com
2 Young Researchers and Elite Club, Aliabad Katoul Branch, Islamic Azad University, Aliabad Katoul, Iran; mehdi.hashemi.t@gmail.com
3 Department of Mechanical Engineering, Sirjan University of Technology, Kerman, Iran

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

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.

Keywords: ANISN, CITATION, MCNP, ORIGEN, VVR-S reactor, WIMS