2016 Fall Meeting

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Oral Presentation

III. Fission Energy Engineering » 304-1 Thermal Hydraulics, Energy Conversion, Energy Transfer, Energy Storage

[3K01-05] Two-Phase Flow and Phase Change 2

Fri. Sep 9, 2016 9:30 AM - 10:55 AM Room K (Kumume City Plaza - Assembly Room 1)

Chair: Susumu Yamashita(JAEA)

9:45 AM - 10:00 AM

[3K02] Interfacial Friction Factor for Counter-current Gas-Liquid Flow in Vertical Pipes

*Takayoshi Kusunoki1, Michio MURASE1, Yasunori YAMAMOTO1, Akio TOMIYAMA2, Katsuya MORI2 (1.INSS, 2.Kobe University)

Keywords:Steam generator, Inversed U tube, Vertical pipe, Counter-current flow limitation, Interfacial friction factor

蒸気発生器内の逆U字管下端での気液対向流制限(CCFL)を対象として、環状流モデルに基づく一領域計算に使用する界面摩擦係数fiの相関式について検討し、Bharathanらの相関式を基に気液粘性比μG/μL及び無次元直径D*で補正した相関式を導出した。