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JAEA Reports

Revaluation of JACS code system benchmark analyses of the heterogeneous system; Fuel rods in U+Pu nitric acid solution system

Takada, Tomoyuki; Miyoshi, Yoshinori; Katakura, Junichi

JAERI-Tech 2003-036, 80 Pages, 2003/03

JAERI-Tech-2003-036.pdf:3.67MB

In order to perform accuracy evaluation of the critical calculation by the combination of multi-group constant library MGCL and 3-dimensional Monte Carlo code KENO-IV among critical safety evaluation code system JACS, benchmark calculation was carried out from 1980 in 1982. Some cases where the neutron multiplication factor calculated in the heterogeneous system in it was less than 0.95 were seen. In this report, it re-calculated by considering the cause about the heterogeneous system of the U+Pu nitric acid solution systems containing the neutron poison shown in JAERI-M 9859. The present study has shown that the keff value less than 0.95 given in JAERI-M 9859 is caused by the fact that the water reflector below a cylindrical container was not taken into consideration in the KENO-IV calculation model. By taking into the water reflector, the KENO-IV calculation gives a keff value greater than 0.95 and a good agreement with the experiment.

JAEA Reports

Base data for looking-up tables of calculation errors in JACS code system

Murazaki, Minoru*;

JAERI-Data/Code 99-019, 103 Pages, 1999/03

JAERI-Data-Code-99-019.pdf:3.69MB

no abstracts in English

JAEA Reports

MAIL3.1; A Computer program generating cross section sets for SIMCRI, ANISN-JR, KENO IV, KENO V, MULTI-KENO, MULTI-KENO-2 and MULTI-KENO-3.0

Suyama, Kenya; Komuro, Yuichi; *; Kawasaki, Hiromitsu*; *

JAERI-Data/Code 98-004, 172 Pages, 1998/02

JAERI-Data-Code-98-004.pdf:4.47MB

no abstracts in English

JAEA Reports

Criticality data of water-reflected and-moderated homogeneous mixed oxide fuel

Komuro, Yuichi; *

JAERI-Data/Code 96-002, 73 Pages, 1996/02

JAERI-Data-Code-96-002.pdf:2.65MB

no abstracts in English

JAEA Reports

Calculations for reflector savings of steel and stainless steel

*; Okuno, Hiroshi

JAERI-Research 94-047, 39 Pages, 1994/12

JAERI-Research-94-047.pdf:0.89MB

no abstracts in English

JAEA Reports

Journal Articles

Reactivity effect of borated stainless steel plate in single and coupled cores composed of low-enriched UO$$_{2}$$ rods

Miyoshi, Yoshinori; Nakajima, Ken; ; Kobayashi, Iwao; Aoki, Shigeaki*; *; *; *

Journal of Nuclear Science and Technology, 31(4), p.335 - 348, 1994/04

 Times Cited Count:1 Percentile:18.18(Nuclear Science & Technology)

no abstracts in English

JAEA Reports

DANKE: A Monte Carlo computer program for calculating the Dancoff correction factor for spheres, rods and slabs

Okuno, Hiroshi; Komuro, Yuichi

JAERI-M 94-049, 28 Pages, 1994/03

JAERI-M-94-049.pdf:0.55MB

no abstracts in English

JAEA Reports

A Differential albedo for a Monte Carlo criticality program KENO IV

Komuro, Yuichi; *; *

JAERI-M 93-246, 19 Pages, 1994/01

JAERI-M-93-246.pdf:0.68MB

no abstracts in English

JAEA Reports

Effects of neutron data libraries and criticality codes on IAEA criticality benchmark problems

M.M.Sarker*; ; Masukawa, Fumihiro; Naito, Yoshitaka

JAERI-M 93-203, 39 Pages, 1993/10

JAERI-M-93-203.pdf:1.0MB

no abstracts in English

JAEA Reports

Generation and verification of the multigroup constants library MGCL-J3 for nuclear criticality calculations

Komuro, Yuichi; Okuno, Hiroshi; Naito, Yoshitaka; *; Nagai, Masakatsu*; *; *; *

JAERI-M 93-190, 94 Pages, 1993/10

JAERI-M-93-190.pdf:1.86MB

no abstracts in English

JAEA Reports

JAEA Reports

Criticality parameters and data for various nuclear fuel materials in infinite dimensions; Calculations with the combination of MGCL-J3 and SIMCRI

Okuno, Hiroshi; Umeda, Kentaro*; Komuro, Yuichi; Naito, Yoshitaka

JAERI-M 93-135, 98 Pages, 1993/08

JAERI-M-93-135.pdf:4.1MB

no abstracts in English

JAEA Reports

Evaluation of effect of solution-density formula on criticality parameters

Miyoshi, Yoshinori; Hirose, Hideyuki; ; Sakurai, Satoshi

JAERI-M 93-031, 32 Pages, 1993/03

JAERI-M-93-031.pdf:0.98MB

no abstracts in English

Journal Articles

The Convenient Monte Carlo code MULTI-KENO for criticality safety analysis of transport casks

*; Naito, Yoshitaka; Okuno, Hiroshi

Proc. of the 10th Int. Symp. on the Packaging and Transportation of Radioactive Materials,Vol. 1, p.177 - 184, 1993/00

no abstracts in English

Journal Articles

Reactivity effect of borated stainless steel plates in light-water-moderated UO$$_{2}$$ cores

Miyoshi, Yoshinori; Nakajima, Ken; Kobayashi, Iwao; Aoki, Shigeaki*; *

Transactions of the American Nuclear Society, 66, p.287 - 288, 1992/11

no abstracts in English

JAEA Reports

None

; ; Momose, Takumaro; Nojiri, Ichiro; ; ; Sudo, Toshiyuki

PNC TN8410 92-031, 79 Pages, 1992/02

PNC-TN8410-92-031.pdf:2.49MB

None

Journal Articles

Nuclear criticality safety assessment of PRR-1 spent fuel storage

Petrache, C. A.*; Okuno, Hiroshi

Nucleus, 29, p.1 - 13, 1991/00

no abstracts in English

Journal Articles

Improvement of JACS code system

Komuro, Yuichi; Naito, Yoshitaka; Nomura, Yasushi; *

Proc. of the 91 Int. Conf. on Nuclear Criticality Safety, p.IV-36 - IV-44, 1991/00

no abstracts in English

JAEA Reports

Multigroup cross sections of resonant nuclei considering moderator mass differences

Okuno, Hiroshi; *; Naito, Yoshitaka

JAERI-M 90-198, 76 Pages, 1990/11

JAERI-M-90-198.pdf:1.7MB

no abstracts in English

30 (Records 1-20 displayed on this page)