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Journal Articles

Structural studies on liquids and glasses under high pressure and high temperature

Katayama, Yoshinori; Inamura, Yasuhiro*

Nuclear Instruments and Methods in Physics Research B, 238(1-4), p.154 - 159, 2005/08

 Times Cited Count:8 Percentile:52.87(Instruments & Instrumentation)

It is well know that many substances have different structures in the crystalline state and they exhibit first-order structural phase transitions by a change in pressure. On the other hand, pressure-induced structural changes in the liquid and glassy states were supposed to be monotonous. The recent development of synchrotron radiation sources enables us to perform structural studies on liquids and glasses under high pressure and high temperature conditions. These studies revealed that the changes in the liquid and glassy states are not necessarily monotonous. We will present recent results on liquid phosphorus and silica glass.

Journal Articles

Study on the efficiency of effective thermal conductivities on melting characteristics of latent heat storage capsules

Shiina, Yasuaki; Inagaki, Terumi*

International Journal of Heat and Mass Transfer, 48(2), p.373 - 383, 2005/01

 Times Cited Count:37 Percentile:75.42(Thermodynamics)

Improvement of thermal conductivity of phase change medium would be one of the effective techniques to reduce phase change time in latent heat storage technology. Thermal conductivity would be improved by saturating phase change materials (PCM) in porous metals. Efficiency of effective thermal conductivity on melting time is studied by analyzing melting characteristics of a heat storage circular capsule where porous metal saturated by PCM is inserted. Results show that considerable reduction in melting time was obtained, especially for low conductivity PCMs and for high heat transfer coefficient. Trial estimation of optimum porosity was presented under the conditions of keeping high latent heat capacity and high reduction rate of melting time. Optimum porosity decreases with increase in heat transfer coefficient.

Journal Articles

Phonon density of states in Sr$$_{2}$$FeCoO$$_{6-delta}$$ and SrBaFeCoO$$_{6-delta}$$; Effects induced by magnetic order and transport coherence

Rykov, A. I.*; Nomura, Kiyoshi*; Sawada, Tsuguo*; Mitsui, Takaya; Seto, Makoto*; Tamegai, Tsuyoshi*; Tokunaga, Masashi*

Physical Review B, 68(22), p.224401_1 - 224401_7, 2003/12

 Times Cited Count:8 Percentile:42.93(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Analysis of states of the X ray laser medium

Utsumi, Takayuki*; Sasaki, Akira

Oyo Suri Gakkai Heisei-12-Nendo Nenkai Hobunshu, 2 Pages, 2000/00

no abstracts in English

JAEA Reports

Journal Articles

Natural convection heat transfer from a heated horizontal cylinder with microencapsulated phase-change-material slurries

Kubo, Shinji; Akino, Norio; *; *

Nihon Kikai Gakkai Rombunshu, B, 64(625), p.3013 - 3020, 1998/09

no abstracts in English

Journal Articles

Thermal characteristics of microencapsulated phase-change materials

E.Choi*; Akino, Norio

Proc. of 11th Int. Heat Transfer Conf. (Heat Transfer 1998), 7, p.121 - 126, 1998/00

no abstracts in English

Journal Articles

Application of neutron radiography to visualization of cryogenic fluid boiling two-phase flows

Takenaka, Nobuyuki*; Asano, Hitoshi*; Fujii, Terushige*; Ushiro, Toshihiko*; Iwatani, Junji*; Murata, Yutaka*; Mochiki, Koichi*; Taguchi, Akira*; Matsubayashi, Masahito; Tsuruno, Akira

Nuclear Instruments and Methods in Physics Research A, 377(1), p.174 - 176, 1996/07

 Times Cited Count:1 Percentile:23.5(Instruments & Instrumentation)

no abstracts in English

JAEA Reports

JAEA Reports

Research on One-Dimensional Two-Phase Flow

JAERI-M 86-118, 166 Pages, 1986/08

JAERI-M-86-118.pdf:4.28MB

no abstracts in English

Journal Articles

Pressure effects on the first-order transition temperatures of Cu$$_{4}$$SnS$$_{4}$$ and Cu$$_{8}$$GeS$$_{6}$$

Ozawa, K.; *

Solid State Physics Under Pressure, p.269 - 274, 1985/00

no abstracts in English

Journal Articles

Ternary compounds PuNiC$$_{2}$$ and PuCoC$$_{2}$$

; ; ;

Journal of Nuclear Science and Technology, 19(3), p.257 - 260, 1982/00

 Times Cited Count:3 Percentile:54.87(Nuclear Science & Technology)

no abstracts in English

Journal Articles

High speed two-phase flow, V; Analyses on critical discharge flow without phase change and subcritical two-phase flow characteristics

Nihon Genshiryoku Gakkai-Shi, 22(2), p.111 - 120, 1980/00

 Times Cited Count:1 Percentile:22.79(Nuclear Science & Technology)

no abstracts in English

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