Numerical study of the effect of porous medium on biphasic flow in industrial condensers

This research developed a comprehensive three-dimensional numerical model to simulate two-phase flow and heat transfer within full-scale industrial condensers with irregular shapes of pipe assemblies. The Eulerian two-phase model has been chosen to simulate fluid flows and their interactions. The physics of the porous medium has been used to model the presence of a large number of tubes in the condenser. The effect of turbulence on the initial phase is described by solving the transfer equations for turbulent kinetic energy and the scattering rate. Various types of turbulence models have been evaluated to select the best model for condenser analysis. The mixture of vapor and non-condensable gases is disturbed. Therefore, it is critical to consider the effects of turbulence on the flow of the gaseous part of the shell. Deductive analysis was performed to compare the performance of various turbulence models to predict heat transfer and mass in the condenser. Among the different turbulence models, the k-ω SST model is the most successful of these methods. According to the main turbulence models, these methods have seriously improved the accuracy of numerical results, and the results indicate that the numerical method used has good accuracy.

Keywords:

Biphasic flow , Industrial condensers , Porous media , Turbulent flow , Heat transfer