Effect of diameter and axial location on upward gas–liquid two-phase flow patterns in intermediate-scale vertical tubes

•A vertical two-phase flow system is manufactured to study flow behavior adiabatically.•Two test sections are studied with inner diameters of 40mm and 70mm at two locations.•Flow pattern maps are presented for both tubes.•Effects of tube diameter and heights on pattern transition boundaries are inve...

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Veröffentlicht in:	Annals of nuclear energy 2016-08, Vol.94, p.530-540
Hauptverfasser:	Ansari, M.R., Azadi, R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Axial location Boundaries Effect of diameter Gas–liquid two-phase flow High speed Nuclear engineering Pattern recognition Position (location) Semi-annular Slug flow Slugs Sub-pattern Tubes Vertical tube
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