CFD MODELING OF HEAT TRANSFER UNDER FLOW OF SUPERCRITICAL PARAMETERS WATER IN VERTICAL BARE TUBES


  • N.M. Fialko Institute of Engineering Thermophysics of the National Academy of Sciences of Ukraine
  • LL. Pioro Faculty of Energy Systems and Nuclear Science University of Ontario Institute of Technology
  • V.G. Prokopov Institute of Engineering Thermophysics of the National Academy of Sciences of Ukraine
  • Ju.V. Sherenkovskiy Institute of Engineering Thermophysics of the National Academy of Sciences of Ukraine
  • N.O. Meranova Institute of Engineering Thermophysics of the National Academy of Sciences of Ukraine
  • S. Alioshko Institute of Engineering Thermophysics of the National Academy of Sciences of Ukraine
Keywords: supercritical water, improved, normal, deteriorated heat transfer regimes, CFD simulation, physical properties of supercritical water

Abstract

The results of the CFD modeling of heat transfer under condition of the upstream flow of supercritical water in vertical bare tubes are presented with a change in the wide range of mass flux and heat flux at the channel wall. The results of comparison of experimental and calculated data for different heat transfer regimes - improved, normal and deteriorated - are presented. The results of the CFD modeling relating to the spatial distribution of physical properties of supercritical water are analyzed.

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Published
2018-02-20
How to Cite
Fialko, N., Pioro, L., Prokopov, V., Sherenkovskiy, J., Meranova, N., & Alioshko, S. (2018). CFD MODELING OF HEAT TRANSFER UNDER FLOW OF SUPERCRITICAL PARAMETERS WATER IN VERTICAL BARE TUBES. Thermophysics and Thermal Power Engineering, 40(1), 12-20. https://doi.org/https://doi.org/10.31472/ihe.1.2018.02
Section
Heat and Mass Exchange Processes