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Journal Articles

Coolability evaluation of debris bed on core catcher in a sodium-cooled fast reactor

Matsuo, Eiji*; Sasa, Kyohei*; Koyama, Kazuya*; Yamano, Hidemasa; Kubo, Shigenobu; Hourcade, E.*; Bertrand, F.*; Marie, N.*; Bachrata, A.*; Dirat, J. F.*

Proceedings of 27th International Conference on Nuclear Engineering (ICONE-27) (Internet), 5 Pages, 2019/05

Discharged molten-fuel from the core during Core Disruptive Accident (CDA) could become solidified particle debris by fuel-coolant interaction in the lower sodium plenum, and then the debris could form a bed on a core catcher located at the bottom of the reactor vessel. Coolability evaluations for the debris bed are necessary for the design of the core catcher. The purpose of this study is to evaluate the coolability of the debris bed on the core catcher for the ASTRID design. For this purpose, as a first step, the coolability calculations of the debris beds formed both in short term and later phase have been performed by modeling only the debris bed itself. Thus, details of core catcher design and decay heat removal system are not described in this paper. In all the calculations, coolant temperature around the debris bed is a parameter. The calculation tool is the debris bed module implemented into a one-dimensional plant dynamics code, Super-COPD. The evaluations have shown that the debris beds formed both in short term and later phase are coolable by the design which secures sufficient coolant flow around the core catcher located in the cold pool.

JAEA Reports

Reviews of experimental studies on various geometrical contact modes of vapor explosions

H.-S.Park*; Yamano, N.; Maruyama, Yu; Moriyama, Kiyofumi; Kudo, Tamotsu; Sugimoto, Jun

JAERI-Review 96-018, 46 Pages, 1996/11

JAERI-Review-96-018.pdf:1.99MB

no abstracts in English

JAEA Reports

Study of film boiling collapse behavior during vapor explosion

*; *; *; *; Yamano, N.; Sugimoto, Jun

JAERI-Research 96-032, 152 Pages, 1996/06

JAERI-Research-96-032.pdf:4.05MB

no abstracts in English

Journal Articles

Technical note on ex-vessel core melt debris coolability and steam explosions

Yamano, N.; Maruyama, Yu; Moriyama, Kiyofumi; Sugimoto, Jun

NEA/CSNI/R(96)24, 0, p.1 - 49, 1996/00

no abstracts in English

Journal Articles

Studies on in-vessel debris coolability in ALPHA program

Maruyama, Yu; Yamano, N.; Moriyama, Kiyofumi; H.S.Park*; Kudo, Tamotsu; Sugimoto, Jun

NUREG/CP-0157, 2, p.161 - 172, 1996/00

no abstracts in English

Journal Articles

Study on steam explosion and molten core coolability in ALPHA program

Yamano, N.; Maruyama, Yu; Moriyama, Kiyofumi; Kudo, Tamotsu; H.S.Park*; Sugimoto, Jun

Proc. of 11th KAIF/KNS Annual Conf., 0, p.827 - 838, 1996/00

no abstracts in English

Journal Articles

Study of premixing phase of steam explosion with JASMINE code in ALPHA program

Moriyama, Kiyofumi; Yamano, N.; Maruyama, Yu; Kudo, Tamotsu; Sugimoto, Jun

Proc. of ASME$$cdot$$JSME 4th Int. Conf. on Nuclear Engineering 1996 (ICONE-4), 1(PART B), p.903 - 915, 1996/00

no abstracts in English

Journal Articles

In-vessel debris coolability experiments in ALPHA program

Maruyama, Yu; Yamano, N.; Moriyama, Kiyofumi; H.S.Park*; Kudo, Tamotsu; Sugimoto, Jun

Proc. of Int. Topical Meeting on Probabilistic Safety Assessment (PSA96), 3, p.1367 - 1374, 1996/00

no abstracts in English

Journal Articles

Core melt behaviors and thermal properties in LWR severe accident

Sugimoto, Jun; Uetsuka, Hiroshi; Hidaka, Akihide; Maruyama, Yu; Yamano, N.; Hashimoto, Kazuichiro

Thermophysical Properties 17 (17th Japan Symp. 1996), 0, p.163 - 166, 1996/00

no abstracts in English

JAEA Reports

Development of steam explosion simulation code JASMINE

Moriyama, Kiyofumi; Yamano, N.; Maruyama, Yu; Kudo, Tamotsu; *; *; Sugimoto, Jun

JAERI-Data/Code 95-016, 50 Pages, 1995/11

JAERI-Data-Code-95-016.pdf:1.61MB

no abstracts in English

Journal Articles

Accident management measures on steam explosion and debris coolability for light water reactors

Maruyama, Yu; Yamano, N.; Kudo, Tamotsu; Hidaka, Akihide; Sugimoto, Jun

NEA/CSNI/R(95)3, 0, p.223 - 240, 1995/07

no abstracts in English

Journal Articles

Development of steam explosion analysis code JASMINE,I; Premixing model

Moriyama, Kiyofumi; Yamano, N.; Maruyama, Yu; Kudo, Tamotsu; *; *; Sugimoto, Jun

Proc., Seminar on the Vapor Explosions in Nuclear Power Safety,Kanzanji 1995, p.87 - 102, 1995/00

no abstracts in English

Journal Articles

Present status of research related to in-vessel debris coolability and experimental plan in ALPHA program at JAERI

Maruyama, Yu; Yamano, N.; Kudo, Tamotsu; Moriyama, Kiyofumi; Sugimoto, Jun

Proc., Seminar on the Vapor Explosions in Nuclear Power Safety,Kanzanji 1995, 0, p.54 - 69, 1995/00

no abstracts in English

Journal Articles

Current status of large-scale steam explosion experiments

Yamano, N.; Moriyama, Kiyofumi; Maruyama, Yu; Kudo, Tamotsu; Sugimoto, Jun

Proc., Seminar on the Vapor Explosions in Nuclear Power Safety,Kanzanji 1995, 0, p.121 - 139, 1995/00

no abstracts in English

Journal Articles

Dynamic response of a containment surrounding extreme pressure source due to steam explosion

*; *; Maruyama, Yu; Yamano, N.; Sugimoto, Jun

Transactions of 13th International Conference on Structural Mechanics in Reactor Technology (SMiRT-13), 4, p.359 - 370, 1995/00

no abstracts in English

JAEA Reports

Overview of experimental studies on vapor explosions

Moriyama, Kiyofumi; Yamano, N.; Maruyama, Yu; Kudo, Tamotsu; Sugimoto, Jun

JAERI-Review 94-010, 40 Pages, 1994/12

JAERI-Review-94-010.pdf:1.51MB

no abstracts in English

JAEA Reports

Study of collapse conditions of film boiling on high temperture particle surface

*; Abe, Yutaka*; *; Yamano, N.; Sugimoto, Jun

JAERI-Research 94-041, 64 Pages, 1994/12

JAERI-Research-94-041.pdf:2.59MB

no abstracts in English

Journal Articles

Experimental study of aerosol reentrainment from flashing pool in ALPHA program

Kudo, Tamotsu; Yamano, N.; Moriyama, Kiyofumi; Maruyama, Yu; Sugimoto, Jun

3rd Int. Conf. on Containment Design and Operation,Conf. Proc., Vol. 1, 0, 10 Pages, 1994/00

no abstracts in English

Journal Articles

Current trends in severe accident research

Soda, Kunihisa; Kukita, Yutaka; ; Sugimoto, Jun; Yamano, N.

Int. Conf. on New Trends in Nuclear System Thermohydraulics,Proc,Vol. II, 0, p.3 - 8, 1994/00

no abstracts in English

Journal Articles

Thermal-hydraulics in a containment vessel of a unclear power plant during a severe accident

Sugimoto, Jun; Hashimoto, Kazuichiro; Yamano, N.; Maruyama, Yu

Nihon Genshiryoku Gakkai "Genshiro Kakuno Yoki Shinraisei Jissho Shiken Ni Kansuru Chosa Hokokusho, Heisei-5-Nendo", 0, p.3 - 192, 1994/00

no abstracts in English

37 (Records 1-20 displayed on this page)