傾斜管付き水平管内気液対向二相流制限（ＣＣＦＬ）　　落水開始気相流速の予測

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  • Limitation of countercurrent gas-liquid flow in a horizontal flow path connected to an inclined flow path. (Prediction of gas velocity on initiation of liquid penetration)
  • ケイシャカン ツキ スイヘイカン ナイキエキ タイコウ 2ソウリュウ セイゲン

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Limitation of countercurrent gas-liquid flow has been investigated in horizontal flow path (HFP) connected to inclined flow path (IFP). The envelope model was applied to predict the gas velocity on initiation of liquid penetration from HFP to lower tank. The gas velocity and void fraction at dominant limitation (DL) could be predicted well for different scales of flow path by the model, using the following interfacial friction factor. That was 0.021 as average in HFP in the case where DL existed in HFP near the bend connecting HFP with IFP and 0.5 at DL in the case where DL existed in IFP near the bend.

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