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CFD Modelling of Subcooled Boiling in Tubes With Twisted Tape Insert

[+] Author Affiliations
Artur A. Giniyatullin, Stanislav E. Tarasevich

Kazan National Research Technical University, Kazan, Russia

Paper No. FEDSM2013-16298, pp. V01CT25A002; 7 pages
doi:10.1115/FEDSM2013-16298
From:
  • ASME 2013 Fluids Engineering Division Summer Meeting
  • Volume 1C, Symposia: Gas-Liquid Two-Phase Flows; Industrial and Environmental Applications of Fluid Mechanics; Issues and Perspectives in Automotive Flows; Liquid-Solids Flows; Multiscale Methods for Multiphase Flow; Noninvasive Measurements in Single and Multiphase Flows; Numerical Methods for Multiphase Flow; Transport Phenomena in Energy Conversion From Clean and Sustainable Resources; Transport Phenomena in Materials Processing and Manufacturing Processes; Transport Phenomena in Mixing; Turbulent Flows: Issues and Perspectives
  • Incline Village, Nevada, USA, July 7–11, 2013
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 978-0-7918-5556-0
  • Copyright © 2013 by ASME

abstract

In this work the investigation of heat transfer in subcooled flow boiling regime in tubes with twisted tape inserts have been conducted either experimentally and numerically. Numerical analysis has been performed using commercial CFD software package ANSYS FLUENT 13. The experiments have been carried out in electrically heated tube, which simulates uniform wall heat flux boundary condition (UHF). Working fluid was water. The CFD simulation results are in reasonable agreement with experimental data, despite the fact that sometimes simulation did not account all features and effects of subcooled flow boiling. The liquid/vapor phase distributions show stratification in vertical tubes, indicating the centrifugal force is dominant, especially when the vapor fraction is high.

Copyright © 2013 by ASME

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