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The paper presents the data of CFD modeling of spatial distributions of heat conductivity, specific heat capacity and density of supercritical water during its ascending flow in vertical bare tubes under mixed convection conditions. The results of studies of the effects of the heat flux density supplied to the wall on the distribution character of thermophysical properties are obtained. For the density of supercritical water, the data of comparison of CFD predictions corresponding to the presence and absence of buoyancy forces are presented.

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Computer Simulation of Spatial Distribution of Thermophysical Properties of Water in Vertical Heated Channels Under Supercritical Pressure

  • 章节

  • 发表日期：

    2025年

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  • Nataliia Fialko,
  • Anatolii Nosovskyi,
  • Vitalii Babak,
  • Nataliia Meranova,
  • Julii Sherenkovskii,
  • Sergy Aleshko

摘要

The paper presents the data of CFD modeling of spatial distributions of heat conductivity, specific heat capacity and density of supercritical water during its ascending flow in vertical bare tubes under mixed convection conditions. The results of studies of the effects of the heat flux density supplied to the wall on the distribution character of thermophysical properties are obtained. For the density of supercritical water, the data of comparison of CFD predictions corresponding to the presence and absence of buoyancy forces are presented.