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Journal Articles

Chapter 18, Moving particle semi-implicit method

Wang, Z.; Duan, G.*; Koshizuka, Seiichi*; Yamaji, Akifumi*

Nuclear Power Plant Design and Analysis Codes, p.439 - 461, 2021/00

JAEA Reports

Multi-dimensional numerical analyses for the IFMIF target jet flows

*; ; Nakamura, Hideo

JAERI-Research 98-022, 46 Pages, 1998/03

JAERI-Research-98-022.pdf:1.92MB

no abstracts in English

Journal Articles

Direct numerical algorithm for multiphase flow with free surfaces and interfaces

Kunugi, Tomoaki

Nihon Kikai Gakkai Rombunshu, B, 63(609), p.88 - 96, 1997/05

no abstracts in English

Oral presentation

Evaluate in liquid properties and observation in gas entrainment from the free surface by vortex

Ote, Naosuke*; Koizumi, Yasuo*; Kamide, Hideki; Ohno, Shuji; Ito, Kei

no journal, , 

A sodium-cooled fast breeder reactor is now at the development stage in Japan. One concern for safety is cover gas entrainment into the sodium coolant. The gas entrainment rate into liquid by the vortex formed on the free surface was examined experimentally. Liquid flowed into a cylindrical vessel from a wall tangentially. Swirl flow was formed in the vessel, and then liquid drained from the bottom outlet of the vessel. A hollow vortex was formed on the free surface in the test vessel. The air was entrained under the free surface of the vortex and carried away from the bottom of the vessel. The flow state of the gas entertainment was visually observed by using a high speed video camera. The gas entrainment rate into liquid was measured. In the previous study, test fluid was water. Kerosene and 20 cSt silicone oil were newly introduced as the test fluid to examine the effect of the physical properties on the gas entertainment phenomena.

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