Search Results:　 1-20 of 58

SOMEYA Satoshi , UCHIDA Mitsunori , UCHIBORI Akihiro , OHSHIMA Hiroyuki , LI Yanrong , OKAMOTO Koji

… Highly pressurized water or steam escapes into the surrounding liquid sodium from the crack. … The release of steam into the liquid sodium media is a two-phase flow with an underexpansion. … Several studies have examined only the underexpansion of the gas-gas phase. …

Transactions of the Japan Society of Mechanical Engineers. B 75(759), 2173-2181, 2009-11-25

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KATOH Kenji , ARII Yusuke , WAKIMOTO Tatsuro

… A theoretical and experimental consideration is conducted to investigate the bubble separation from an air injected into a liquid turbulent boundary layer. … There exist three patterns of bubble separation dependent on the jet velocity, i.e., (a) single bubble, (b) ccalescent bubble, and (c) continuous jet. …

Transactions of the Japan Society of Mechanical Engineers. B 75(756), 1590-1597, 2009-08-25

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KATOH Kenji , ARII Yusuke , WAKIMOTO Tatsuro

… The purpose of this study is to evaluate the diameter of small bubbles separated from an air jet injected into a turbulent boundary layer from a hole on the wall. … There exist three patterns of bubble separation dependent on the jet velocity, i.e., single bubble, coalesced bubbles, and continuous air jet. … The mechanism of bubble separation from the jet is theoretically considered for the single bubble region. …

Transactions of the Japan Society of Mechanical Engineers. B 75(754), 1266-1274, 2009-06-25

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OHMORI Shuichi , NARABAYASHI Tadashi , OKAMOTO Koji , IWAKI Chikako , MORI Michitsugu

… The analysis was conducted by using CFD code embedded separate two-phase flow models and confirmed that the steam has a high-performance direct-contact heater that was suitable for compact feed-water heater. … To visualize the water jet behavior inside the SI, we used the Dynamic PIV system. … Very high speed water jet during the starting up of SI had been clearly visualized with 30 000 fps. …

Transactions of the Japan Society of Mechanical Engineers. B 74(742), 1287-1296, 2008-06-25

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IGA Yuka , HASHIZUME Kei , YOSHIDA Yoshiki , IKOHAGI Toshiaki

… A numerical method employing "locally homogeneous gas-liquid two-phase compressible medium model" is applied to solve the unsteady cavitating flowfield. …

Transactions of the Japan Society of Mechanical Engineers. B 74(741), 1058-1067, 2008-05-25

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