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Pressure drop prediction in flow boiling of R-407C in two phase flow using twisted tape insert in horizontal tube
Jadhav S., , Shrivastava R., Nandan G.
Published in American Institute of Physics Inc.
Volume: 2341
The paper contains the experimental investigations on the pressure drop for the two phase flow in the flow boiling of refrigerant with the insertion of twisted tape in the horizontal circular tube. The Pressure drop analysis, based on data using the twisted tape is performed using the refrigerant R-407C in a horizontal tube with the inner diameter 13.4mm and 2m long. Twisted tapes with twist ratio 9, 14 are used for the predictive results. The experimental investigation was carried out with the operating condition: i)Refrigerant mass flux:100-350?kg m-2s-1 ii) heat flux: 0-10 KWm-2 iii) evaporating pressure 3-8 bar iv) evaporating temperature -15 to 15 °C v) vapor quality 0.05-0.9. The available literature was consider for the comparison of experimental and predictive pressure drop. It showed that the Kanizawa and Ribatski proposed pressure drop correlation is suitable to use, present data base 99% of the error band with ±30 %. © 2021 Author(s).
About the journal
JournalAIP Conference Proceedings
PublisherAmerican Institute of Physics Inc.
Open AccessNo