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Journal Articles

Analyses of iron and concrete shielding experiments at JAEA/TIARA with JENDL/HE-2007, ENDF/B-VII.1 and FENDL-3.0

Konno, Chikara; Ochiai, Kentaro; Sato, Satoshi; Ota, Masayuki

Fusion Engineering and Design, 98-99, p.2178 - 2181, 2015/10

https://doi.org/10.1016/j.fusengdes.2014.12.034
 Times Cited Count：7 Percentile：51.25(Nuclear Science & Technology)

We have analyzed the iron and concrete shielding experiments with the 40 and 65 MeV neutron sources at TIARA in Japan Atomic Energy Agency with the latest high-energy nuclear data libraries, JENDL/HE-2007, ENDF/B-VII.1 and FENDL-3.0. The Monte Carlo code MCNP-5 and ACE files of JENDL/HE-2007, ENDF/B-VII.1 and FENDL-3.0, which were supplied from JAEA, BNL and IAEA, respectively, were used for this analysis. The followings are found out from the results. (1) The calculations with JENDL/HE-2007 agree with all the measured ones well; (2) Those with ENDF/B-VII.1 tend to overestimate the measured ones with the thickness of the assemblies largely; (3) Those with FENDL-3.0 agree with the measured ones well for the iron experiment, while they overestimate the measured ones well for the concrete experiment largely. Some data in ENDF/B-VII.1 and FENDL-3.0 should be revised.

Journal Articles

Shutdown dose evaluation experiment for ITER

Morimoto, Yuichi*; Ochiai, Kentaro; Sato, Satoshi; Hori, Junichi; Yamauchi, Michinori*; Nishitani, Takeo

Fusion Engineering and Design, 69(1-4), p.643 - 648, 2003/09

https://doi.org/10.1016/S0920-3796(03)00198-4
 Times Cited Count：4 Percentile：31.64(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Validation of radioactivity calculation code system DCHAIN-SP

Kai, Tetsuya; Maekawa, Fujio; Kasugai, Yoshimi; Niita, Koji*; Takada, Hiroshi; Meigo, Shinichiro; Ikeda, Yujiro

Proceedings of ICANS-XVI, Volume 3, p.1041 - 1049, 2003/07

A radioactivity calculation code system DCHAIN-SP was validated in view of the following points: (1) Activation cross section data library for the energy region below 20 MeV. (2) NMTC/JAM code for calculation of the nuclide yield induced by the high energy particles above 20 MeV. (3) DCHAIN-SP code system which treats overall nuclide yield by the high energy particles. 42 of activation cross sections and 22 tritium production cross sections were revised so that the DCHAIN-SP calculation could improve its accuracy within 30% for typical materials irradiated by 14-MeV neutrons. The NMTC/JAM code was improved to implement the GEM model for better estimation of light fragment production. Accuracy of the nuclide yield for proton induced reactions in 10 MeV - 10 GeV still remains in the level of a factor of 2 to 3. The DCHAIN-SP code system was employed for the analysis of time evolution of the radioactivity produced in the samples on a thick mercury target bombarded with 2.83 and 24 GeV protons. It is found that the code system agrees with the measured data by a factor of 2 to 3.

Journal Articles

Measurement of activation cross sections for mercury isotopes in the neutron energy range between 13.4 and 14.9MeV

Kasugai, Yoshimi; Maekawa, Fujio; Ikeda, Yujiro; Takeuchi, Hiroshi

Journal of Nuclear Science and Technology, 38(12), p.1048 - 1056, 2001/12

https://doi.org/10.3327/jnst.38.1048

Activation cross sections for mercury isotopes have been measured at neutron energy between 13.4 and 14.9 MeV by means of the activation method using Fusion Neutronics Source (FNS) at Japan Atomic Energy Research Institute (JAERI). Measured cross sections are $$^{196}$$Hg(n, 2n)$$^{195m,g}$$Hg, $$^{198}$$Hg(n, 2n)$$^{197m,g}$$Hg, $$^{198}$$Hg(n, p)$$^{198g}$$Au, $$^{199}$$Hg(n, p)$$^{199}$$Au, $$^{200}$$Hg(n, p)$$^{200m,g}$$Au, $$^{201}$$Hg(n, p)$$^{201}$$Au, $$^{202}$$Hg(n, p)$$^{202}$$Au, $$^{204}$$Hg(n, 2n)$$^{203}$$Hg and $$^{204}$$Hg(n, p)$$^{204}$$Au. The cross sections of the $$^{202}$$Hg(n, p)$$^{202}$$Au and $$^{204}$$Hg(n, p)$$^{204}$$Au reactions were measured for the first time. For the $$^{196}$$Hg(n, 2n)$$^{195m,g}$$Hg, $$^{198}$$Hg(n, 2n)$$^{197m,g}$$Hg, $$^{198}$$Hg(n, p)$$^{198g}$$Au and $$^{199}$$Hg(n, p)$$^{199}$$Au reactions, the cross sections at plural neutron energies were measured for the first time. The present data were compared with the experimental data reported previously and the recent evaluations, and it was shown that some evaluations need to be improved.

Journal Articles

DORT analyses of decay heat experiment on tungsten for ITER

Konno, Chikara; Maekawa, Fujio; Wada, Masayuki*; Ikeda, Yujiro; Takeuchi, Hiroshi

Fusion Engineering and Design, 58-59, p.961 - 965, 2001/11

https://doi.org/10.1016/S0920-3796(01)00522-1
 Times Cited Count：0 Percentile：0.01(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Benchmark experiment on silicon carbide with D-T neutrons and validation of nuclear data libraries

Maekawa, Fujio; Ochiai, Kentaro; Shibata, Keiichiro*; Kasugai, Yoshimi; Wada, Masayuki*; Morimoto, Yuichi*; Takeuchi, Hiroshi

Fusion Engineering and Design, 58-59, p.595 - 600, 2001/11

https://doi.org/10.1016/S0920-3796(01)00514-2
 Times Cited Count：11 Percentile：61.99(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Experimental validation of decay heat calculation codes and associated nuclear data libraries for fusion energy

Maekawa, Fujio; Wada, Masayuki*; Ikeda, Yujiro

Journal of Nuclear Science and Technology, 38(1), p.53 - 62, 2001/01

https://doi.org/10.3327/jnst.38.53

no abstracts in English

Journal Articles

Benchmark experiment on LiAlO$$_{2}$$, Li$$_{2}$$TiO$$_{3}$$ and Li$$_{2}$$ZrO$$_{3}$$ assemblies with D-T neutrons; Leakage neutron spectrum measurement

Murata, Isao*; Nishio, T.*; Kokooo*; Kondo, T.*; Takagi, H.*; Nakano, D.*; Takahashi, Akito*; Maekawa, Fujio; Ikeda, Yujiro; Takeuchi, Hiroshi

Fusion Engineering and Design, 51-52(Part.B), p.821 - 827, 2000/11

https://doi.org/10.1016/S0920-3796(00)00200-3
 Times Cited Count：8 Percentile：50.62(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Decay heat experiment featuring low-energy neutron induced tungsten-187 production in ITER baffle plates and its analysis

Maekawa, Fujio; Wada, Masayuki*; Konno, Chikara; Kasugai, Yoshimi; Ikeda, Yujiro

Fusion Engineering and Design, 51-52(Part.B), p.809 - 814, 2000/11

https://doi.org/10.1016/S0920-3796(00)00193-9
 Times Cited Count：6 Percentile：42.66(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Overview of straight duct streaming experiments for ITER

Konno, Chikara; Maekawa, Fujio; Uno, Yoshitomo; Kasugai, Yoshimi; Wada, Masayuki*; Ikeda, Yujiro; Takeuchi, Hiroshi

Fusion Engineering and Design, 51-52(Part.B), p.797 - 802, 2000/11

https://doi.org/10.1016/S0920-3796(00)00185-X
 Times Cited Count：6 Percentile：42.66(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Investigation on prediction capability of nuclear design parameters for gap configulation in ITER through analysis of the FNS gap streaming experiment

Maekawa, Fujio; Konno, Chikara; Wada, Masayuki*; Kasugai, Yoshimi; Oyama, Yukio; Uno, Yoshitomo; Maekawa, Hiroshi; Ikeda, Yujiro

Journal of Nuclear Science and Technology, 37(Suppl.1), p.263 - 267, 2000/03

https://doi.org/10.1080/00223131.2000.10874887

no abstracts in English

JAEA Reports

Decay heat experiment and validation of calculation code systems for fusion reactor

Maekawa, Fujio; Wada, Masayuki*; Ikeda, Yujiro

JAERI-Research 99-055, p.188 - 0, 1999/10

JAERI-Research-99-055.pdf:8.59MB

no abstracts in English

Journal Articles

Experimental validation of calculations of decay heat induced by 14MeV neutron activation of ITER materials

N.P.Taylor*; Ikeda, Yujiro; Bartels, H.-W.*; G.Cambi*; D.G.Ceprage*; E.T.Cheng*; R.A.Forrest*; H.Iida*; H.Y.Khater*; Maekawa, Fujio; et al.

Fusion Engineering and Design, 45(1), p.75 - 88, 1999/00

https://doi.org/10.1016/S0920-3796(98)00436-0
 Times Cited Count：8 Percentile：53.62(Nuclear Science & Technology)

no abstracts in English

JAEA Reports

Compilation of benchmark results for fusion related nuclear data

Maekawa, Fujio; Wada, Masayuki*; *; *; Takahashi, Akito*; Oyama, Yukio

JAERI-Data/Code 98-024, 174 Pages, 1998/11

JAERI-Data-Code-98-024.pdf:6.71MB

no abstracts in English

Journal Articles

Experiments on induced radioactivity characteristics of vanadium alloy

Ikeda, Yujiro; Kasugai, Yoshimi; Maekawa, Fujio; Uno, Yoshitomo; R.Johnson*; E.T.Cheng*

Fusion Technology, 34(3), p.714 - 718, 1998/11

no abstracts in English

Journal Articles

Benchmark experiment on vanadium assembly with D-T Neutrons; Leakage neutron spectrum measurement

Kokooo*; Murata, Isao*; Nakano, D.*; Takahashi, Akito*; Maekawa, Fujio; Ikeda, Yujiro

Fusion Technology, 34(3), p.980 - 984, 1998/11

no abstracts in English

Journal Articles

Benchmark experiment on vanadium-alloy assembly with D-T neutrons; In-situ measurement

Maekawa, Fujio; Kasugai, Yoshimi; Konno, Chikara; Wada, Masayuki*; Oyama, Yukio; Ikeda, Yujiro; R.Johnson*; E.T.Cheng*; M.Pillon*; Murata, Isao*; et al.

Fusion Technology, 34(3), p.1018 - 1022, 1998/11

no abstracts in English

Journal Articles

Some comments for cross section data of iron around 15 MeV

Konno, Chikara; Maekawa, Fujio; Wada, Masayuki*; Kosako, Kazuaki*

Fusion Technology, 34(3), p.1013 - 1017, 1998/11

no abstracts in English

Journal Articles

Validation of nuclear calculations with the FENDL/E-1.1 and JENDL fusion file based on a bulk-shielding experiment of a large type 316 stainless steel assembly

Konno, Chikara; Maekawa, Fujio; Oyama, Yukio; Ikeda, Yujiro; Wada, Masayuki*; Maekawa, Hiroshi

Fusion Technology, 34(1), p.6 - 17, 1998/08

no abstracts in English

Journal Articles

Nuclear heating measurements for SS-316, copper, graphite, tungsten, chromium, beryllium in a copper centered assembly bombarded with 14 MeV neutrons and analysis

Ikeda, Yujiro; Maekawa, Fujio; Kasugai, Yoshimi; Uno, Yoshitomo; A.Kumar*; M.Z.Youssef*; M.A.Abdou*; Konno, Chikara; Wada, Masayuki*

Fusion Engineering and Design, 42, p.289 - 297, 1998/00

https://doi.org/10.1016/S0920-3796(97)00187-7
 Times Cited Count：6 Percentile：49.22(Nuclear Science & Technology)

no abstracts in English

33 (Records 1-20 displayed on this page)