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JAEA Reports

Thermal calculation of bituminized product, 1; Thermal evaluation of bituminized product using heat transporting calculation

Miura, Akihiko;

JNC TN8410 99-044, 189 Pages, 1999/10

JNC-TN8410-99-044.pdf:7.18MB

This report includes several results that were made by calculation with several methods to clarify the cause of the fire and explosion incident. In the early times, we didn't have exact information of chemicaI property, reaction rate and any physical constants that we needed. But because the only data that indicate the cooling process of bituminized product was reported, we made heat-transporting calculation with taking this data. Based on the theory of the thermal hazard evaluation that was called Semenov theory or Frank-Kamenetskii theory, the amount of heat generation was estimated using the heat transporting calculation. Common theories were introduced in first section. In the second section, several results of heat transporting calculation were indicated. Calculations were made as follows. First, the model of bituminized product that was filled in the drum was created with the data of cooling process. Second, when the heat was generated in the drum, time-dependent temperature distribution was calculated. And last, judging from the balance of heat generation and heat radiation the critical heat rate was estimated.

Journal Articles

Radiation and spectroscopy analysis of divertor discharges with neon gas puff in JT-60U

Ishijima, Tatsuo*; Kubo, Hirotaka; Shimada, Michiya; Konoshima, Shigeru; Higashijima, Satoru; Hosogane, Nobuyuki; Sakasai, Akira; Itami, Kiyoshi; Sugie, Tatsuo; JT-60 Team

Plasma Physics and Controlled Fusion, 41(9), p.1155 - 1166, 1999/09

 Times Cited Count:13 Percentile:42.45(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Behaviour of divertor neutral pressure during the divertor detachment in the pumped W-shaped divertor of JT-60U

Tamai, Hiroshi; Asakura, Nobuyuki; Sakasai, Akira; Hosogane, Nobuyuki; Itami, Kiyoshi; Konoshima, Shigeru; JT-60 Group

26th European Physical Society Conference on Controlled Fusion and Plasma Physics, 23J, p.409 - 412, 1999/00

no abstracts in English

Journal Articles

Active feedback control of steady-state improved confinement discharges in JT-60U

Fukuda, Takeshi; JT-60 Team

Fusion Engineering and Design, 46(2-4), p.337 - 345, 1999/00

 Times Cited Count:7 Percentile:49.7(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Radiative plasma by impurity seeding in W-shaped pumped divertor experiment of JT-60U

Itami, Kiyoshi; Hosogane, Nobuyuki; Konoshima, Shigeru; Sakurai, Shinji; Asakura, Nobuyuki; Higashijima, Satoru; Sakasai, Akira; Tamai, Hiroshi; Shimada, Michiya

Journal of Nuclear Materials, 266-269, p.1097 - 1102, 1999/00

 Times Cited Count:14 Percentile:70.54(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Development of a compact W-shaped pumped divertor in JT-60U

Sakurai, Shinji; Hosogane, Nobuyuki; Masaki, Kei; ; ; *; *; Shimizu, Katsuhiro; Akino, Noboru; Miyo, Yasuhiko; et al.

Fusion Engineering and Design, 39-40, p.371 - 376, 1998/00

 Times Cited Count:5 Percentile:44.27(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Feedback control of radiation region in radiative divertor plasma on JT-60U tokamak

Tamai, Hiroshi; Konoshima, Shigeru; Hosogane, Nobuyuki; Asakura, Nobuyuki; Sakata, Shinya; Saito, Naoyuki; *; Akasaka, Hiromi; Kawamata, Yoichi; Kurihara, Kenichi

Fusion Engineering and Design, 39-40, p.163 - 167, 1998/00

 Times Cited Count:9 Percentile:60.39(Nuclear Science & Technology)

no abstracts in English

Journal Articles

High performance and steady-state experiments on JT-60U

Sakasai, Akira; JT-60 Team

Proceedings of 17th IEEE/NPSS Symposium Fusion Engineering (SOFE'97), 1, p.18 - 25, 1998/00

no abstracts in English

Journal Articles

Isolation of the improved core confinement from high recycling and radiative boundary in reversed magnetic shear plasmas of JT-60U

Itami, Kiyoshi; Yoshino, Ryuji; Asakura, Nobuyuki; Fujita, Takaaki; Hosogane, Nobuyuki; Naito, Osamu; Higashijima, Satoru; Konoshima, Shigeru

Physical Review Letters, 78(7), p.1267 - 1270, 1997/02

 Times Cited Count:13 Percentile:66.53(Physics, Multidisciplinary)

no abstracts in English

Journal Articles

Atomic and molecular processes in JT-60U divertor plasmas

Takenaga, Hidenobu; Shimizu, Katsuhiro; Itami, Kiyoshi; Kubo, Hirotaka; Hosogane, Nobuyuki; Sugie, Tatsuo; Higashijima, Satoru; Asakura, Nobuyuki; Sakasai, Akira; Shimada, Michiya; et al.

NIFS-DATA-39, p.15 - 34, 1997/01

no abstracts in English

Journal Articles

Behaviour of radiation power loss from radiative divertor with reversed shear plasmas in JT-60U

Tamai, Hiroshi; Konoshima, Shigeru; Asakura, Nobuyuki; Itami, Kiyoshi; Sakasai, Akira; Hosogane, Nobuyuki; Higashijima, Satoru; JT-60 Team

Proc. of 24th European Physical Society Conf. on Controlled Fusion and Plasma Physics, 21A, p.493 - 496, 1997/00

no abstracts in English

Journal Articles

Latest results and future plans from JT-60U and JFT-2M divertor research

Sakasai, Akira

Purazuma, Kaku Yugo Gakkai-Shi, 72(9), p.884 - 893, 1996/09

no abstracts in English

Journal Articles

ITER divertor design

Shimada, Michiya

Purazuma, Kaku Yugo Gakkai-Shi, 72(9), p.858 - 865, 1996/09

no abstracts in English

Journal Articles

Design of a compact W-shaped pumped divertor in JT-60U

Sakurai, Shinji; Hosogane, Nobuyuki; ; Masaki, Kei; ; *; *; Takahashi, Shoryu*; Saido, Masahiro; Inoue, Masahiko*; et al.

Fusion Technology 1996, 0, 4 Pages, 1996/00

no abstracts in English

Journal Articles

Modelling of impurity and plasma transport for a radiative divertor

Shimizu, Katsuhiro; Hosogane, Nobuyuki; Takizuka, Tomonori; Shimada, Michiya; Tsuji, Shunji; Kubo, Hirotaka; Sugie, Tatsuo; Asakura, Nobuyuki; Itami, Kiyoshi; *; et al.

IAEA-CN-60/D-P2, 0, p.431 - 439, 1996/00

no abstracts in English

Journal Articles

Field reversal effects on divertor plasmas under radiative and detached conditions in JT-60U

Asakura, Nobuyuki; Hosogane, Nobuyuki; *; Itami, Kiyoshi; Shimizu, Katsuhiro; Shimada, Michiya

Nuclear Fusion, 36(6), p.795 - 813, 1996/00

 Times Cited Count:41 Percentile:76.53(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Recent progress in JT-60U experiments

Neyatani, Yuzuru

Fusion Engineering and Design, 30, p.25 - 37, 1995/00

 Times Cited Count:1 Percentile:17.53(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Field reversal effects on particle and heat fluxes in divertor on JT-60U

Asakura, Nobuyuki; Itami, Kiyoshi; Hosogane, Nobuyuki; Tsuji, Shunji; Shimizu, K.*; Kubo, Hirotaka; Sugie, Tatsuo; Takizuka, Tomonori; Shimada, Michiya

Journal of Nuclear Materials, 220-222, p.395 - 399, 1995/00

 Times Cited Count:33 Percentile:93.18(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Advanced divertor

Shimada, Michiya; *

Kikai No Kenkyu, 47(1), p.195 - 200, 1995/00

no abstracts in English

Journal Articles

Recycling enhancement with n$$_{e}$$ and q$$_{eff}$$ in high density discharges on JT-60U

Asakura, Nobuyuki; Shimizu, Katsuhiro; Hosogane, Nobuyuki; Itami, Kiyoshi; Tsuji, Shunji; Shimada, Michiya

Nuclear Fusion, 35(4), p.381 - 398, 1995/00

 Times Cited Count:33 Percentile:73.44(Physics, Fluids & Plasmas)

no abstracts in English

33 (Records 1-20 displayed on this page)