Fundamental Study on Thermo-Hydraulic Phenomena Concerning Passive Safety of Advanced Marine Reactor.

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概要

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• <BR>The objective of this study is to investigate the thermo-hydraulic behavior of a fluid region confined in a rectangular parallelepiped cavity equipped with a heater and a cooler. The motivation of this study is to clarify a thermal buffer effect for an innovative marine nuclear reactor to realize passive safety. In the present study, experiments were carried out with conditions of laminar convection. Temperature and flow behavior was visualized by the liquid-crystal suspension method, by which the temperature distribution in liquid can be observed as a colored map. Thermal plumes from the heater and the cooler, global natural circulation in the cavity and thermal stratification were observed as elements of the complicated phenomena. Using a code which solves the Navier-Stokes and energy equations, numerical simulations under steady and unsteady condition were carried out to predict the experimental results for two-dimensional, laminar situations, and a good agreement was obtained.

• 一般社団法人 日本原子力学会の論文

著者

• AKINO Norio

  Japan Atomic Research Institute

• TAKEDA Tetsuaki

  Japan Atomic Energy Research Institute

• KUROSAWA Akira

  Kobe University of Mercantile Marine

• KIZU Shinichi

  Kobe University of Mercantile Marine

• OTSUJI Tomoo

  Kobe University of Mercantile Marine

• KOSAYASHI Katsuo

  Ryutai Consultants Co., Ltd.

• IWAHORI Koji

  Yuge National College of Maritime Technology

• ITO Yasuyoshi

  Ship Research Institute, Ministry of Transport

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• Fundamental Study on Thermo-Hydraulic Phenomena Concerning Passive Safety of Advanced Marine Reactor.

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