Dosimetry Analyses of the Ringhals 3 and 4 Reactor Pressure Vessels

Joel Kulesza; Arnold Fero; Jenny Roudén; Eva-Lena Green

doi:10.1520/STP155020120006

SYMPOSIA PAPER Published: 01 August 2012

STP155020120006

Dosimetry Analyses of the Ringhals 3 and 4 Reactor Pressure Vessels

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A comprehensive series of neutron dosimetry measurements consisting of surveillance capsules, reactor pressure vessel cladding samples, and ex-vessel neutron dosimetry has been analyzed and compared to the results of three-dimensional, cycle-specific neutron transport calculations for the Ringhals Unit 3 and Unit 4 reactors in Sweden. The comparisons show excellent agreement between calculations and measurements. The measurements also demonstrate that it is possible to perform retrospective dosimetry measurements using the ⁹³Nb (n,n′) ^93mNb reaction on samples of 18-8 austenitic stainless steel with only trace amounts of elemental niobium.

Author Information

Kulesza, Joel, A.

Westinghouse Electric Company, Cranberry Township, PA, US

Fero, Arnold, H.

Westinghouse Electric Company, Cranberry Township, PA, US

Roudén, Jenny

Vattenfall/Ringhals AB, Väröbacka, SE

Green, Eva-Lena

Vattenfall/Ringhals AB, Väröbacka, SE

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Details

Developed by Committee: E10

Pages: 64–77

DOI: 10.1520/STP155020120006

ISBN-EB: 978-0-8031-7553-2

ISBN-13: 978-0-8031-7536-5

Dosimetry Analyses of the Ringhals 3 and 4 Reactor Pressure Vessels

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