Neutron and gamma ray total dose rate determination using anisn

Amin, E.; Ashoub, N.; Elkady, Ashraf S.

doi:10.1016/0969-806x(94)90117-1

Cited by 2 publications

(1 citation statement)

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“…In general, shielding calculation for human dose evaluation is overestimated 9) . However, this method underestimated the dose rates to achieve the certain detection of the minimum criticality accident in this study.…”

Section: Resultsmentioning

confidence: 99%

Installation Places of Criticality Accident Detectors in the Plutonium Conversion Development Facility

Sanada

Tsujimura

Shimizu

et al. 2008

Journal of Nuclear Science and Technology

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At the Plutonium Conversion Development Facility (PCDF) in the Nuclear Fuel Cycle Engineering Laboratories, the co-conversion technologies to purify the mixed plutonium and uranium nitrate solution discharged from a reprocessing plant have been developed. The probability of a criticality accident in PCDF is extremely low. However, the criticality accident alarm system (CAAS) has been in place since 1982 to reduce the radiation dose to workers in case of such a rare criticality accident. The CAAS contains criticality accident detector units (CADs), one unit consisting of three plastic scintillation detectors, and using the 2 out of 3 voting system for the purpose of high reliability. Currently, eight CADs are installed in PCDF evaluating the dose using a simple equation allowing for a safety margin. The purpose of this study is to show the determination procedures for the adequate relocation of the CADs which adequately ensures safety in PCDF.

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Section: Resultsmentioning

confidence: 99%