Analysis of supersonic ejector operation : experimental validation and two-phase aspects

Abstract

Paper presented at the 5th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, South Africa, 1-4 July, 2007.This paper deals with comparisons between CFD and experiments for a supersonic ejector. We present good results in terms of entrainment prediction compared to home-made experimental data for an air ejector. Over the whole range of operating conditions, the deviation is below 10%for the k−e model. In addition, a first attempt to tackle two-phase aspects was also performed experimentally and by simulations.