CFD Modeling of Heat Transfer Under Flow of Supercritical Parameters Water in Vertical Bare Tubes

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.