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Application of the thermal-hydraulic codes in VVER-440 steam generators modelling

Abstract

Performances with the CATHARE2 V1.3U and RELAP5/MOD3.0 application to the VVER-440 SG modelling during normal conditions and during transient with secondary water lowering are described. Similar recirculation model was chosen for both codes. In the CATHARE calculation, no special measures were taken with the aim to optimize artificially flow rate distribution coefficients for the junction between SG riser and steam dome. Contrary to RELAP code, the CATHARE code is able to predict reasonable the secondary swell level in nominal conditions. Both codes are able to model properly natural phase separation on the SG water level. 6 refs.
Authors:
Matejovic, P; Vranca, L; Vaclav, E [1] 
  1. Nuclear Power Plant Research Inst. VUJE (Slovakia)
Publication Date:
Dec 31, 1995
Product Type:
Conference
Report Number:
LTKK-TJ-43; CONF-9410509-
Reference Number:
SCA: 210200; PA: AIX-29:032369; EDB-98:066391; SN: 98001970776
Resource Relation:
Conference: 3. international seminar on horizontal steam generators, Lappeenranta (Finland), 18-20 Oct 1994; Other Information: DN: 6 refs.; PBD: 1995; Related Information: Is Part Of Third international seminar on horizontal steam generators; PB: 430 p.
Subject:
21 NUCLEAR POWER REACTORS AND ASSOCIATED PLANTS; C CODES; COMPUTERIZED SIMULATION; FEEDWATER; LIQUID FLOW; R CODES; SECONDARY COOLANT CIRCUITS; STEAM GENERATORS; TRANSIENTS; WWER TYPE REACTORS
OSTI ID:
614747
Research Organizations:
Lappeenranta Univ. of Technology (Finland).
Country of Origin:
Finland
Language:
English
Other Identifying Numbers:
Other: ON: DE98626444; ISBN 951-763-942-2; TRN: FI9800085032369
Availability:
INIS; OSTI as DE98626444
Submitting Site:
FIN
Size:
pp. 226-248
Announcement Date:

Citation Formats

Matejovic, P, Vranca, L, and Vaclav, E. Application of the thermal-hydraulic codes in VVER-440 steam generators modelling. Finland: N. p., 1995. Web.
Matejovic, P, Vranca, L, & Vaclav, E. Application of the thermal-hydraulic codes in VVER-440 steam generators modelling. Finland.
Matejovic, P, Vranca, L, and Vaclav, E. 1995. "Application of the thermal-hydraulic codes in VVER-440 steam generators modelling." Finland.
@misc{etde_614747,
title = {Application of the thermal-hydraulic codes in VVER-440 steam generators modelling}
author = {Matejovic, P, Vranca, L, and Vaclav, E}
abstractNote = {Performances with the CATHARE2 V1.3U and RELAP5/MOD3.0 application to the VVER-440 SG modelling during normal conditions and during transient with secondary water lowering are described. Similar recirculation model was chosen for both codes. In the CATHARE calculation, no special measures were taken with the aim to optimize artificially flow rate distribution coefficients for the junction between SG riser and steam dome. Contrary to RELAP code, the CATHARE code is able to predict reasonable the secondary swell level in nominal conditions. Both codes are able to model properly natural phase separation on the SG water level. 6 refs.}
place = {Finland}
year = {1995}
month = {Dec}
}