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A procedure for temperature-stress fields calculation of WWER-1000 primary circuit in PTS event

Abstract

The paper presents the procedure of an investigation of WWER-1000 primary circuit temperature-stress field by the use of thermohydraulic computation data for a pressurized thermal shock event ``Core overcooling``. The procedure is based on a model of the plane stress state with ideal contact between wall and medium for the calculation. The computation data are calculated on the base of WWER-1000 thermohydraulic model by the RELAP5/MOD3 codes. This model was developed jointly by the Bulgarian and BNL/USA staff to provide an analytical tool for performing safety analysis. As a result of calculations by codes the computation data for temperature field law (linear laws of a few distinguished parts) and pressure of coolant at points on inner surface of WWER-1000 primary circuit equipment are received. Such calculations can be used as a base for determination of all-important load-carrying sections of the primary circuit pipes and vessels, which need further consideration. (author). 7 refs, 2 figs, 2 tabs.
Authors:
Petkov, G; [1]  Groudev, P; Argirov, J [2] 
  1. Technical Univ., Dept. Thermal and Nuclear Power Engineering, Sofia (Bulgaria)
  2. Bulgarian Academy of Science, Inst. for Nuclear Research and Nuclear Energy, Sofia (Bulgaria)
Publication Date:
Sep 01, 1997
Product Type:
Conference
Report Number:
IWG-LMNPP-96/1; CONF-9705163-
Reference Number:
SCA: 210200; PA: AIX-28:059643; EDB-97:116462; SN: 97001844575
Resource Relation:
Conference: IAEA specialists` meeting on methodology for pressurized thermal shock evaluation, Esztergom (Hungary), 5-8 May 1997; Other Information: PBD: 1997; Related Information: Is Part Of Methodology for pressurized thermal shock evaluation. Proceedings of the IAEA specialists meeting. Working material; PB: 457 p.
Subject:
21 NUCLEAR POWER REACTORS AND ASSOCIATED PLANTS; PRIMARY COOLANT CIRCUITS; STRESSES; COMPUTER CALCULATIONS; R CODES; TEMPERATURE DEPENDENCE; THERMAL SHOCK; WWER-5 REACTOR
OSTI ID:
519694
Research Organizations:
International Atomic Energy Agency, Vienna (Austria). International Working Group on Life Management of Nuclear Power Plants
Country of Origin:
IAEA
Language:
English
Other Identifying Numbers:
Other: ON: DE97640092; TRN: XA9744633059643
Availability:
INIS; OSTI as DE97640092
Submitting Site:
INIS
Size:
pp. 181-190
Announcement Date:

Citation Formats

Petkov, G, Groudev, P, and Argirov, J. A procedure for temperature-stress fields calculation of WWER-1000 primary circuit in PTS event. IAEA: N. p., 1997. Web.
Petkov, G, Groudev, P, & Argirov, J. A procedure for temperature-stress fields calculation of WWER-1000 primary circuit in PTS event. IAEA.
Petkov, G, Groudev, P, and Argirov, J. 1997. "A procedure for temperature-stress fields calculation of WWER-1000 primary circuit in PTS event." IAEA.
@misc{etde_519694,
title = {A procedure for temperature-stress fields calculation of WWER-1000 primary circuit in PTS event}
author = {Petkov, G, Groudev, P, and Argirov, J}
abstractNote = {The paper presents the procedure of an investigation of WWER-1000 primary circuit temperature-stress field by the use of thermohydraulic computation data for a pressurized thermal shock event ``Core overcooling``. The procedure is based on a model of the plane stress state with ideal contact between wall and medium for the calculation. The computation data are calculated on the base of WWER-1000 thermohydraulic model by the RELAP5/MOD3 codes. This model was developed jointly by the Bulgarian and BNL/USA staff to provide an analytical tool for performing safety analysis. As a result of calculations by codes the computation data for temperature field law (linear laws of a few distinguished parts) and pressure of coolant at points on inner surface of WWER-1000 primary circuit equipment are received. Such calculations can be used as a base for determination of all-important load-carrying sections of the primary circuit pipes and vessels, which need further consideration. (author). 7 refs, 2 figs, 2 tabs.}
place = {IAEA}
year = {1997}
month = {Sep}
}