Published 1996 | Version v1
Journal article Metadata-only

Verification of neutron fluence in WWER-440 /230 reactor pressure vessels

Creators

  • 1. Bulgarian Academy of Sciences, Institute for Nuclear Research and Nuclear Energy, Sofia (Bulgaria)
  • 2. NEK AD, klon AETs 'Kozloduy', Kozloduy (Bulgaria)

Description

Verification procedure for neutron fluence in the Kozloduy-1 pressure vessel is outlined. The activities of shavings sampled out from the inner wall of welding seam 4 after the 14-th and 17-th cycle, as well as activities of detectors placed behind the RPV, has been measured. Calculation of the expected activity at the shaving positions has been carried out, taking into account the local power distribution. Comparison of calculated and measured activity values has indicated the validity of the numerical results. Consistency of data in the range of 9% determines the error limits for calculated values of neutron fluence in evaluating the radiation embrittlement of the vessel metal

Additional details

Additional titles

Original title (Bulgarian)
Verifitsirane na neutronniya fluens na korpusa na reaktor WWER-440/230 v I blok na AETs Kozloduy

Publishing Information

Journal Title
Dokladi na BYaD
Journal Volume
1
Journal Issue
1
Journal Page Range
p. 44-49.
ISSN
1310-8727

INIS

Country of Publication
Bulgaria
Country of Input or Organization
Bulgaria
INIS RN
28068539
Subject category
S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
Resource subtype / Literary indicator
Numerical Data
Descriptors DEI
CALCULATION METHODS; COMPARATIVE EVALUATIONS; DAMAGING NEUTRON FLUENCE; EMBRITTLEMENT; EXPERIMENTAL DATA; KOZLODUY-1 REACTOR; LIABILITIES; REACTOR VESSELS; THEORETICAL DATA; VERIFICATION; WELDED JOINTS
Descriptors DEC
CONTAINERS; DATA; ENRICHED URANIUM REACTORS; EVALUATION; INFORMATION; JOINTS; NEUTRON FLUENCE; NUMERICAL DATA; POWER REACTORS; PWR TYPE REACTORS; REACTORS; THERMAL REACTORS; WATER COOLED REACTORS; WATER MODERATED REACTORS; WWER TYPE REACTORS

Optional Information

Notes
8 refs., 4 tabs., 1 fig.