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Journal Articles

Consistent robin boundary enforcement of particle method for heat transfer problem with arbitrary geometry

Wang, Z.; Duan, G.*; Matsunaga, Takuya*; Sugiyama, Tomoyuki

International Journal of Heat and Mass Transfer, 157, p.119919_1 - 119919_20, 2020/08

 Times Cited Count:1 Percentile:26.07(Thermodynamics)

Journal Articles

Experimental study on local interfacial parameters in upward air-water bubbly flow in a vertical 6$$times$$6 rod bundle

Han, X.*; Shen, X.*; Yamamoto, Toshihiro*; Nakajima, Ken*; Sun, Haomin; Hibiki, Takashi*

International Journal of Heat and Mass Transfer, 144, p.118696_1 - 118696_19, 2019/12

 Times Cited Count:1 Percentile:100(Thermodynamics)

Journal Articles

Experimental investigation on transfer characteristics of temperature fluctuation from liquid sodium to wall in parallel triple-jet

Kimura, Nobuyuki; Miyakoshi, Hiroyuki; Kamide, Hideki

International Journal of Heat and Mass Transfer, 50(9-10), p.2024 - 2036, 2007/05

 Times Cited Count:43 Percentile:14.81(Thermodynamics)

A quantitative evaluation on thermal striping, in which temperature fluctuation due to convective mixing causes thermal fatigue in structural components, is of importance for integrity of nuclear reactors and also general plants. Sodium cooled reactor had also several incidents of coolant leakage due to the high cycle thermal fatigue. A sodium experiment of parallel triple-jet configuration was performed to evaluate transfer characteristics of temperature fluctuation from fluid to structure. The non-stationary heat transfer characteristics could be represented by a heat transfer coefficient, which was constant in time and independent of the frequency of the temperature fluctuation.

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:30 Percentile:25.09(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

Study on point of net vapor generation by neutron radiography in subcooled boiling flow along narrow rectangular channels with short heated length

Kureta, Masatoshi; Hibiki, Takashi*; Mishima, Kaichiro*; Akimoto, Hajime

International Journal of Heat and Mass Transfer, 46(7), p.1171 - 1181, 2003/03

 Times Cited Count:7 Percentile:61.85(Thermodynamics)

no abstracts in English

Journal Articles

Critical heat flux correlation for subcooled boiling flow in narrow channels

Kureta, Masatoshi; Akimoto, Hajime

International Journal of Heat and Mass Transfer, 45(20), p.4107 - 4115, 2002/09

 Times Cited Count:30 Percentile:24.57(Thermodynamics)

no abstracts in English

Journal Articles

Numerical analysis model for thermal conductivities of packed beds with high solid-to-gas conductivity ratio

Kikuchi, Shigeto*

International Journal of Heat and Mass Transfer, 44(6), p.1213 - 1221, 2001/03

 Times Cited Count:12 Percentile:46.47(Thermodynamics)

no abstracts in English

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