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CFD Simulation of Pool Boiling for Liquid Nitrogen

[+] Author Affiliations
Peng Zhou, Yongqi Xu, Xiuling Wang

Purdue University Northwest, Hammond, IN

Paper No. HT2017-4952, pp. V002T11A003; 7 pages
doi:10.1115/HT2017-4952
From:
  • ASME 2017 Heat Transfer Summer Conference
  • Volume 2: Heat Transfer Equipment; Heat Transfer in Multiphase Systems; Heat Transfer Under Extreme Conditions; Nanoscale Transport Phenomena; Theory and Fundamental Research in Heat Transfer; Thermophysical Properties; Transport Phenomena in Materials Processing and Manufacturing
  • Bellevue, Washington, USA, July 9–12, 2017
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 978-0-7918-5789-2
  • Copyright © 2017 by ASME

abstract

Computational Fluid Dynamics model is developed to simulate pool boiling for liquid nitrogen. Instead of using the user defined function (UDF), the evaporation-condensation model is adopted to take care of the energy term when phase change happens. Test cases with different excess temperature are simulated to study the important heat transfer features in different boiling regimes — free convection boiling, nucleate boiling, transition boiling and film boiling. The heat flux for each case is calculated. Simulation results are compared with the experimental and numerical data in the literature, good agreements are observed. By using the evaporation-condensation model, the pool boiling procedure is successfully simulated, and the complex physical process such as the pool vaporization can be clearly analyzed. At last, some comments and improvements are discussed to increase the accuracy of the simulation.

Copyright © 2017 by ASME

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