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Journal Articles

Hydrogen production by heat utilization of high temperature gas cooled reactor

Kubo, Shinji; Hishida, Makoto*

Kaishu Nisanka Tanso O Shigen Toshite Yuko Riyo Suru Gijutsu Shisutemu Ni Kansuru Chosa Kenkyu Seika Hokokusho, p.120 - 124, 2009/03

This article reports overview of various hydrogen production process which utilize heat supplied by the high temperature gas cooled reactors. Brief description for the thermochemical water splitting IS process, the hybrid-sulfur process, UT-3 process, the methane steam reforming process and the high temperature steam electrolysis were summarized. Research trends and a framework of international corporation in this field were introduced.

Journal Articles

Natural convection heat transfer in high porosity anisotropic horizontal porous layers

Shiina, Yasuaki; Hishida, Makoto*

Nihon Kikai Gakkai Tohoku Shibu Dai-43-Ki Sokai, Koenkai Koen Rombunshu, p.163 - 164, 2008/03

no abstracts in English

Journal Articles

Critical rayleigh number of natural convection in an anisotropic horizontal porous layer with high porosity

Shiina, Yasuaki; Hishida, Makoto*

Nihon Kikai Gakkai Rombunshu, B, 73(733), p.1876 - 1883, 2007/09

no abstracts in English

Journal Articles

Natural convection heat transfer in a horizontal porous enclosure with high porosity

Shiina, Yasuaki; Ishikawa, Kota*; Hishida, Makoto*

Nihon Kikai Gakkai Rombunshu, B, 73(728), p.1045 - 1051, 2007/04

Heat transfer characteristics near the critical Rayleigh number for the onset of natural convection of horizontal anisotropic porous fluid layer heated from below with thin cylindrical rods inserted with high porosity above 0.822 to unity were studied by an analysis and an experiment. The critical Rayleigh number and dependence of Nusselt number on the Rayleigh number were analysed by linear stability theory and series expansion method on the basis of Darcy flow assumption. Critical Rayleigh number, increased with decrease in the porosity, was higher for the experiment than for the analysis but the difference was decreased with decrease in Darcy number. Experimental Nusselt number was considerably decreased with decrease in the porosity near unity although is rather same as the case of Benard convection without cylindrical rods. The experimental Nusselt number can be expressed by one correlation curve when Nusselt number is plotted against Darcy number of the present experiment was rather large to satisfy Darcy flow assumption. Experiment shows that Darcy flow assumption will be satisfied for Darcy number.

Journal Articles

Natural convection in horizontal porous enclosures with thin rods inserted between the heat transfer surfaces

Shiina, Yasuaki; Hishida, Makoto*; Ishikawa, Kota*

Nihon Kikai Gakkai Tohoku Shibu Dai-42-Ki Sokai, Koenkai Koen Rombunshu, p.137 - 138, 2007/03

no abstracts in English

Journal Articles

Natural convection heat transfer in a horizontal porous enclosure with high porosity

Shiina, Yasuaki; Ishikawa, Kota*; Hishida, Makoto*; Tanaka, Gaku*

Nihon Kikai Gakkai 2006-Nendo Nenji Taikai Koen Rombunshu, Vol.3, p.173 - 174, 2006/09

no abstracts in English

Journal Articles

Helium-air counter flow in rectangular channels

Fumizawa, Motoo; Tanaka, Gaku*; Zhao, H.*; Hishida, Makoto*; Shiina, Yasuaki

Nihon Genshiryoku Gakkai Wabun Rombunshi, 3(4), p.313 - 322, 2004/12

This paper deals with a computer simulation of a helium-air counter flow in a rectangular channel. The inclination angle is varied from 0$$^{circ}$$(horizontal) to 90$$^{circ}$$(vertical). Velocity profiles and concentration profiles are calculated with a computer program VSOP sub-module. Following main features of the counter flow are discussed. (1) Time required to establish a quasi-steady state counter flow. (2) The relationship between the inclination angle and the flow patterns of the counter flow (3) The developing process of velocity profiles and concentration profiles (4) The relationship between the inclination angle of the channel and the velocity profiles of upwards flow and the downwards flow (5) The relationship between the concentration profile and the inclination angle (6) The relationship between the net in-flow rate and the inclination angle We compared the computed velocity profile and the net in-flow rate with experimental data. A good agreement is obtained between the calculation and the experiment.

Journal Articles

An Experimental study of heat transfer in an open thermosyphon

Imai, Etsuya*; Shiina, Yasuaki; Hishida, Makoto*

Heat Transfer-Asian Research, 30(4), p.301 - 312, 2001/06

no abstracts in English

Journal Articles

Study on the passive safe technology for the prevention of air ingress during the primary-pipe rupture accident of HTGR

Takeda, Tetsuaki; Hishida, Makoto*

Nuclear Engineering and Design, 200(1-2), p.251 - 259, 2000/08

 Times Cited Count:26 Percentile:82.72(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Experimental study of heat transfer in an open thermosyphon

Imai, Etsuya*; Shiina, Yasuaki; Hishida, Makoto*

Nihon Kikai Gakkai Rombunshu, B, 65(634), p.227 - 233, 1999/06

no abstracts in English

JAEA Reports

Thermal and fluid-dynamic research and development for high temperature gas cooled reactor in JAERI

*; Miyamoto, Yoshiaki; Akino, Norio; Shiina, Yasuaki; Hishida, Makoto*; Ogawa, Masuro; Fumizawa, Motoo; Inagaki, Yoshiyuki; Takeda, Tetsuaki; Takada, Shoji; et al.

JAERI-Review 98-024, 403 Pages, 1999/01

JAERI-Review-98-024.pdf:17.17MB

no abstracts in English

JAEA Reports

Study on industrial utilization of nuclear heat

Inaba, Yoshitomo; Fumizawa, Motoo; Hishida, Makoto*; *; Takenaka, Yutaka*; Tonogochi, Makoto*

JAERI-Tech 96-057, 132 Pages, 1997/01

JAERI-Tech-96-057.pdf:4.08MB

no abstracts in English

Journal Articles

Study on the passive safe technology for the prevention of air ingress during the primary-pipe rupture accident of HTGR

Takeda, Tetsuaki; Hishida, Makoto*

Eighth Int. Topical Meeting on Nuclear Reactor Thermal-Hydraulics (NURETH-8), 1, p.278 - 285, 1997/00

no abstracts in English

Journal Articles

Benchmark problem for International Atomic Energy Agency (IAEA) Coordinated Research Program (CRP) on Gas-Cooled Reactor (GCR) afterheat removal

Takada, Shoji; Shiina, Yasuaki; Inagaki, Yoshiyuki; Hishida, Makoto*; Sudo, Yukio

Eighth Int. Topical Meeting on Nuclear Reactor Thermal-Hydraulics (NURETH-8), 1, p.323 - 332, 1997/00

no abstracts in English

JAEA Reports

Study of nuclear heat application systems for arresting CO$$_{2}$$ emission

Fumizawa, Motoo; Inaba, Yoshitomo; Hishida, Makoto; *; Yamada, Seiya*

JAERI-Tech 96-045, 97 Pages, 1996/11

JAERI-Tech-96-045.pdf:3.34MB

no abstracts in English

JAEA Reports

Reutilization system of carbon dioxide using nuclear heat

Fumizawa, Motoo; Inaba, Yoshitomo; Hishida, Makoto; Ogawa, Masuro; *

JAERI-Tech 96-022, 82 Pages, 1996/06

JAERI-Tech-96-022.pdf:2.2MB

no abstracts in English

JAEA Reports

Basic study for development of nuclear heat application systems

Inaba, Yoshitomo; Fumizawa, Motoo; Hishida, Makoto; Ogawa, Masuro; Aritomi, Masanori*; Kozaki, Yasutsugu*; *; *; *; *; et al.

JAERI-Tech 96-019, 122 Pages, 1996/05

JAERI-Tech-96-019.pdf:4.42MB

no abstracts in English

JAEA Reports

Study on development of nuclear-heat utilization system

Inaba, Yoshitomo; Ogawa, Masuro; Hishida, Makoto

JAERI-Tech 96-017, 53 Pages, 1996/05

JAERI-Tech-96-017.pdf:1.81MB

no abstracts in English

JAEA Reports

Present status and future perspective of nuclear heat application systems

Inaba, Yoshitomo; Fumizawa, Motoo; Hishida, Makoto; Ogawa, Masuro; ; Aritomi, Masanori*; Kozaki, Yasutsugu*; *; *; *; et al.

JAERI-Review 96-007, 87 Pages, 1996/05

JAERI-Review-96-007.pdf:2.66MB

no abstracts in English

78 (Records 1-20 displayed on this page)