Search Results - "HOASHI, Eiji"

Fundamental design activity of fast reactor with inherent safety characteristics for effective transmutation of minor actinide by OKITA, Takafumi, TAKEDA, Satoshi, HOASHI, Eiji, KITADA, Takanori

“…In order to reduce Minor Actinides (MA), the transmutation of MA in a fast reactor has been studied in Japan. In the transmutation in the fast reactor, MAs are…”
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Observation of surface deformation of tungsten exposed to single pulsed high heat flux and magnetic field for divertor design by Okita, Takafumi, Matsuda, Yuki, Saito, Sho, Hoashi, Eiji, Ibano, Kenzo, Ueda, Yoshio

“…Tungsten (W) is one of candidate surface materials for a plasma facing component (PFC) in a magnetically confinement fusion reactor such as a divertor from the…”
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Evaluation of Marangoni convection and free surface velocity of molten tungsten for tungsten divertor by Hamaguchi, Kohei, Hoashi, Eiji, Okita, Takafumi, Ibano, Kenzo, Ueda, Yoshio

“…A tungsten divertor will be repetitively subjected to high heat fluxes when plasma disruptions or edge-localized modes occur, and the surface of the divertor…”
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Study on melting and solidification behaviors of tungsten loaded by high heat flux for divertor in tokamak fusion reactor by Hoashi, Eiji, Kuroyanagi, Shinpei, Okita, Takafumi, Maeji, Takeru, Ibano, Kenzo, Ueda, Yoshio

“…Tungsten is a candidate as a surface material of divertor in Tokamak fusion reactor. A pulsed high heat flux emitted in plasma disruption and Type I Edge…”
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In-situ measurement of surface modifications of tungsten exposed to pulsed high heat flux for divertor design in tokamak-type fusion nuclear reactors by Matsuda, Yuki, Yamashita, Shohei, Miyamoto, Yusei, Motoi, Daichi, Okita, Takafumi, Hoashi, Eiji, Ibano, Kenzo, Ueda, Yoshio

“…•Experiments for clarifying W melting behavior under disruption-like heat loads.•Two measurement methods are shown: in-situ observation of the W surface…”
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Study on suppression of free surface fluctuation of liquid Li jet by magnetic field by Okita, Takafumi, Morioka, Junya, Hoashi, Eiji, Okuno, Hiroki, Horiike, Hiroshi

“…•An experiment using liquid Lithium free-surface jet for a beam target such as in the IFMIF, the RIBF and so on was conducted.•Surface fluctuations, which are…”
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Clarification of the detailed flow structure in new annular-type electromaginetic flow meter system for tank-type SFR by ASADA, Takatoshi, KITTAKA, Daigo, OTA, Hiroyuki, HOASHI, Eiji, HORIIKE, Hiroshi

“…Electromagnetic flow meter (EMF) has been applied to measure a flow rate of sodium in circular pipe using permanent magnet for a loop-type sodium-cooled Fast…”
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Measurement of lithium target surface velocity in the IFMIF/EVEDA lithium test loop by Kanemura, Takuji, Kondo, Hiroo, Furukawa, Tomohiro, Hirakawa, Yasushi, Hoashi, Eiji, Yoshihashi, Sachiko, Horiike, Hiroshi, Wakai, Eiichi

“…•The objective is to measure the free-surface velocity field of the IFMIF Li target.•The Li target has an important role to remove 10MW heat input from a…”
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Evaluation of applicability of laser-based distance meter to measure Li-jet thickness for IFMIF/EVEDA project by Kanemura, Takuji, Kondo, Hiroo, Hoashi, Eiji, Yoshihashi-Suzuki, Sachiko, Yamaoka, Nobuo, Horiike, Hiroshi, Furukawa, Tomohiro, Hirakawa, Yasushi, Wakai, Eiichi

“…•Applicability of a laser-based distance meter to measure a Li jet was evaluated.•Measurement precision of Li-jet thickness is required to be 0.1mm.•Precision…”
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3D MHD simulation of pressure drop and fluctuation in electromagnetic pump flow by ASADA, Takatoshi, AIZAWA, Rie, SUZUKI, Tetsu, FUJISHIMA, Yasushi, HOASHI, Eiji

“…Electromagnetic (EM) pumps, which drive liquid metals by electromagnetic force for Fast Reactor, had been developed. Annular Linear Induction Pumps (ALIPs) are…”
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Study on formation and development of surface wave of liquid metal lithium jet for IFMIF by HOASHI, Eiji, YOSHIHASHI-SUZUKI, Sachiko, OKITA, Takafumi, KANEMURA, Takuji, KONDO, Hiroo, YAMAOKA, Nobuo, HORIIKE, Hiroshi

“…The international fusion materials irradiation facility (IFMIF) presents an intense neutron source to develop fusion reactor materials. The liquid metal…”
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Evaluation of influence of wall roughness on wall turbulence using LES simulation with MSGD model for liquid Li flow inside two-staged contraction nozzle by Hoashi, Eiji, Yamada, Shunya, Okita, Takafumi

“…Liquid lithium (Li) jet is planned as a beam target in fusion neutron sources (FNSs), such as IFMIF, A-FNS and IFMIF-DONES. For the safety and the efficiency…”
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Numerical analysis of wave-type heat transfer propagating in a thin foil irradiated by short-pulsed laser by Hoashi, Eiji, Yokomine, Takehiko, Shimizu, Akihiko, Kunugi, Tomoaki

“…This paper presents a numerical simulation of wave-type heat transfer phenomena propagating in an aluminum thin foil irradiated by a pulsed laser using the…”
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Study on melting behavior of tungsten under high heat load including verification of simulation code using other metals by Hamaguchi, Kohei, Matsumoto, Hibiki, Sugita, Takuma, Hoashi, Eiji, Okita, Takafumi

“…A tungsten divertor used in Tokamak-type fusion reactor will repetitively undergo high heat flux due to plasma disruption and edge localized mode. Because the…”
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Investigation of hydrodynamic characteristics of Li jet flowing along concave flow channel using LES for A-FNS by Hoashi, Eiji, Hagari, Daichi, Ogino, Yosuke, Okita, Takafumi, Oyaizu, Makoto, Ochiai, Kentaro

“…Liquid lithium (Li) jet is planned as a beam target in fusion neutron sources (FNSs), such as IFMIF in Japan and EU, A-FNS in Japan and IFMIF-DONES in EU. We…”
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Investigation of applicability of long-distance LP system for Li target diagnostics in Fusion Neutron Source by Okita, Takafumi, Okunaka, Shori, Kojima, Taiki, Hoashi, Eiji, Oyaizu, Makoto, Ochiai, Kentaro

“…The beam target for generating a fusion neutron field in the Advanced-Fusion Neutron Source (A-FNS) is currently designed as a one-side free-surface liquid…”
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Thickness-variation measurement at downstream regions for Li target of fusion neutron sources by Okita, Takafumi, Watanabe, Kotaro, Hoashi, Eiji, Nakamura, Makoto M., Ochiai, Kentaro, Kasugai, Atsushi

“…•Experiments mainly focused on downstream region of Li free-surface jet.•Surface variations of Li jet were measured using laser-probe method.•Distributions of…”
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Fundamental design activity of fast reactor with inherent safety characteristics for effective transmutation of minor actinide by OKITA, Takafumi, TAKEDA, Satoshi, HOASHI, Eiji, KITADA, Takanori

“…In order to reduce Minor Actinides (MA), the transmutation of MA in a fast reactor has been studied in Japan. In the transmutation in the fast reactor, MAs are…”
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Study on turbulent heat transfer mechanism inside high-speed lithium jet irradiated by ion beam for fusion neutron sources by Hoashi, Eiji, Ko, Shoki, Okita, Takafumi, Oyaizu, Makoto, Ochiai, Kentaro

“…Liquid lithium (Li) jet is planned as a beam target in fusion neutron sources developed in Japan and EU. We have been studying the hydrodynamic characteristics…”
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Concept of curved magnetically guided liquid lithium target without a back plate for IFMIF by Kimura, Haruyuki, Hoashi, Eiji

“…Curved magnetically guided lithium target (MGLT) without a back plate was newly proposed in light of simplified structure, easy maintenance and enhanced…”
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