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A computer code for analysis of core transient behavior in a Na-cooled metal fuel fast reactor. Modification of the code EXCURS and sample calculation

Abstract

The core transient behavior calculation code `EXCURS` for a Na-cooled oxide fuel fast reactor was modified for the application to a Na-cooled metal fuel fast reactor (LMR). The results of the core transient behavior calculated with the modified EXCURS were compared with those calculated by ANL for EBR-II and also compared with those by CRIEPI for 1000MWe-LMR. These calculations agreed quite well. The modified EXCURS, therefore, can be used for analysing the core transient behavior of LMR. In a design study of actinide burner reactors (ABR), the analysis of core transient behavior is important from the viewpoint of safety. The ULOF and UTOP analyses for a Na-cooled metal fuel ABR (M-ABR) were carried out using the modified EXCURS. The effect of heat conductivity of fuel and that of feedback reactivity coefficients on the core transient behavior were also evaluated. It is calculated that the maximum temperature of fuel is strongly affected by flowering reactivity coefficient, delayed neutron fraction and heat conductivity of fuel in this order. (author).
Authors:
Okajima, Shigeaki; Mukaiyama, Takehiko; [1]  Gunji, Yasuyoshi
  1. Japan Atomic Energy Research Inst., Tokai, Ibaraki (Japan). Tokai Research Establishment
Publication Date:
Mar 01, 1992
Product Type:
Technical Report
Report Number:
JAERI-M-92-031
Reference Number:
SCA: 210500; 990200; PA: JPN-92:005141; SN: 92000757151
Resource Relation:
Other Information: PBD: Mar 1992
Subject:
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; 99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE; LMFBR TYPE REACTORS; REACTOR CORES; ACTINIDE BURNER REACTORS; REACTOR KINETICS; SODIUM; TRANSIENTS; E CODES; HEAT TRANSFER; REACTIVITY COEFFICIENTS; AFTER-HEAT; FEEDBACK; LIQUID METALS; 210500; 990200; POWER REACTORS, BREEDING; MATHEMATICS AND COMPUTERS
OSTI ID:
10149625
Research Organizations:
Japan Atomic Energy Research Inst., Tokyo (Japan)
Country of Origin:
Japan
Language:
English
Other Identifying Numbers:
Other: ON: DE92526856; TRN: JP9205141
Availability:
OSTI; NTIS; INIS
Submitting Site:
JPN
Size:
87 p.
Announcement Date:
Jul 05, 2005

Citation Formats

Okajima, Shigeaki, Mukaiyama, Takehiko, and Gunji, Yasuyoshi. A computer code for analysis of core transient behavior in a Na-cooled metal fuel fast reactor. Modification of the code EXCURS and sample calculation. Japan: N. p., 1992. Web.
Okajima, Shigeaki, Mukaiyama, Takehiko, & Gunji, Yasuyoshi. A computer code for analysis of core transient behavior in a Na-cooled metal fuel fast reactor. Modification of the code EXCURS and sample calculation. Japan.
Okajima, Shigeaki, Mukaiyama, Takehiko, and Gunji, Yasuyoshi. 1992. "A computer code for analysis of core transient behavior in a Na-cooled metal fuel fast reactor. Modification of the code EXCURS and sample calculation." Japan.
@misc{etde_10149625,
title = {A computer code for analysis of core transient behavior in a Na-cooled metal fuel fast reactor. Modification of the code EXCURS and sample calculation}
author = {Okajima, Shigeaki, Mukaiyama, Takehiko, and Gunji, Yasuyoshi}
abstractNote = {The core transient behavior calculation code `EXCURS` for a Na-cooled oxide fuel fast reactor was modified for the application to a Na-cooled metal fuel fast reactor (LMR). The results of the core transient behavior calculated with the modified EXCURS were compared with those calculated by ANL for EBR-II and also compared with those by CRIEPI for 1000MWe-LMR. These calculations agreed quite well. The modified EXCURS, therefore, can be used for analysing the core transient behavior of LMR. In a design study of actinide burner reactors (ABR), the analysis of core transient behavior is important from the viewpoint of safety. The ULOF and UTOP analyses for a Na-cooled metal fuel ABR (M-ABR) were carried out using the modified EXCURS. The effect of heat conductivity of fuel and that of feedback reactivity coefficients on the core transient behavior were also evaluated. It is calculated that the maximum temperature of fuel is strongly affected by flowering reactivity coefficient, delayed neutron fraction and heat conductivity of fuel in this order. (author).}
place = {Japan}
year = {1992}
month = {Mar}
}