Incipient Boiling of Sodium Flowing in a Single-Pin Annular Channel

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概要

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• This paper deals with an experimental study on incipient boiling of sodium flowing in an annular channel electrically heated by a pin forming the channel core. In the present experi-ment, the inlet temperature and flow rate were held constant, and the heat flux was gradually increased up to inception of boiling. Measurements were made of the incipient-boiling superheat, and the boiling patterns were observed. The experimental results were compared with analy-tical calculations. <BR>The incipient-boiling wall superheat decreased exponentially with increase in flow rate. The boiling patterns observed in the present experiment were not the single-bubble slug ex-pulsion model, as assumed in calculational code, but more similar to multiple-bubble slug ex-pulsion or homogeneous two-phase flow models.

• 一般社団法人 日本原子力学会の論文

著者

• KIKUCHI Yoshihiro

  Oarai Engineering Center, Power Reactor and Nuclear Fuel Development Corporation

• TAKAHASHI Tadao

  Oarai Engineering Center, Power Reactor and Nuclear Fuel Development Corporation

• HAGA Kazuo

  Oarai Engineering Center, Power Reactor and Nuclear Fuel Development Corporation

• OKOUCHI Tadashi

  Oarai Engineering Center, Power Reactor and Nuclear Fuel Development Corporation

関連論文

• Incipient Boiling of Sodium Flowing in a Single-Pin Annular Channel
• Experimental Study of Steady-State Boiling of Sodium Flowing in a Single-Pin Annular Channel

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