C162 水平内面ら旋溝付蒸発管内における伝熱面上の液膜状態に関する実験的研究(OS-16 先端技術に関わる熱交換過程II)

概要

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This paper presents a predicting method for flow regimes of evaporating refrigerants inside a horizontal spirally grooved tube. The correlation for border angle of well-wetted perimeter was developed based on the Mori et al. equation for smooth tube. The transition quality between the annular flow and separated flow can be predicted by this equation. The transition curves between the dry area and the wetted surface by liquid meniscus in separated flow condition was developed empirically. The correlation for the transition quality between the well-wetted region and area covered by liquid meniscus in annular flow condition was also proposed. The predicted transition curves agreed well with the flow pattern map generated with the experimental results.
一般社団法人日本機械学会の論文
2005-11-02