Published 1992 | Version v1
Report Open

Steam generator tubes rupture probability estimation - study of the axially cracked tube case

Creators

  • 1. Institut Jozef Stefan, Ljubljana (Slovenia)
  • 2. AIB-Vincotte Nucleaire, Brussels (Belgium)

Description

The objective of the present study is to estimate the probability of a steam generator tube rupture due to the unstable propagation of axial through-wall cracks during a hypothetical accident. For this purpose the probabilistic fracture mechanics model was developed taking into account statistical distributions of influencing parameters. A numerical example considering a typical steam generator seriously affected by axial stress corrosion cracking in the roll transition area, is presented; it indicates the change of rupture probability with different assumptions focusing mostly on tubesheet reinforcing factor, crack propagation rate and crack detection probability. 8 refs., 4 figs., 4 tabs

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Part of:
Principal working group 3 on primary circuit integrity

Additional details

Publishing Information

Imprint Title
Principal working group 3 on primary circuit integrity
Imprint Pagination
189 p.
Journal Page Range
p. 129-139.
Report number
NEA-CSNI-R--95-6

Conference

Title
Workshop on Reactor Coolant System Leakage and Failure Probabilities.
Dates
9-11 Dec 1992.
Place
Cologne (Germany).

INIS

Country of Publication
Nuclear Energy Agency of the OECD (NEA)
Country of Input or Organization
Nuclear Energy Agency of the OECD (NEA)
INIS RN
28008607
Subject category
S22: GENERAL STUDIES OF NUCLEAR REACTORS;
Resource subtype / Literary indicator
Conference
Descriptors DEI
COMPUTERIZED SIMULATION; CRACK PROPAGATION; CRACKS; FRACTURE MECHANICS; NUCLEAR POWER PLANTS; PROBABILISTIC ESTIMATION; REACTOR SAFETY; RISK ASSESSMENT; RUPTURES; STEAM GENERATORS; STRESS CORROSION; SYSTEM FAILURE ANALYSIS
Descriptors DEC
BOILERS; CHEMICAL REACTIONS; CORROSION; FAILURES; MECHANICS; NUCLEAR FACILITIES; POWER PLANTS; SAFETY; SIMULATION; SYSTEMS ANALYSIS; THERMAL POWER PLANTS; VAPOR GENERATORS

Optional Information