Abstract
Based on the numerical solutions presented in a previous paper for the flow pattern and pressure distribution in the isothermal turbulent flow of liquid in a short flash chamber with a vertical baffle plate, a numerical analysis was performed to predict the non-equilibrium temperature difference at flash chamber exit.
The effects of liquid temperature, liquid flow-rate, superheat, and height and location of the baffle plate on the non-equilibrium temperature difference were evaluated.
Experiments were also performed with a three-stage flash rig over the range of variables typical for multi-stage flash evaporator operation.
The numerical results compared favorably with the experimental results except for the extreme case where a split in the liquid was observed behind the top of the baffle plate. This numerical analysis may provide a useful design tool for characterizing new flash chamber configurations.
