Experiments in two-phase gas-liquid flow in a vertical bundle of rods were performed. The void fraction distribution and heat transfer from heated central rod were considered. Comparisons for cases of single phase and two-phase flows are presented. Gas addition to the flow results in heat transfer enhancement. The position of gas injection point plays a significant role on heat transfer characteristics. A non uniform gas phase distribution around the central rod of the bundle was obtained.
Volume Subject Area:
Thermal Hydraulics
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