The hydrogen recirculation ejector is one of the efficient device to improve the efficiency of the fuel-cell electric vehicles. In the present study, numerical simulations have been performed to understand the detailed flow structure of such highly co...
The hydrogen recirculation ejector is one of the efficient device to improve the efficiency of the fuel-cell electric vehicles. In the present study, numerical simulations have been performed to understand the detailed flow structure of such highly compressible and complicated flows inside the ejector system. Commercial codes for two-dimensional and three-dimensional models were utilized for various nozzle diameters and primary nozzle flow rates. It was noticed that the hydrogen recirculation rate was increased as the primary nozzle diameter increased for fixed volume flow rates of the primary/secondary nozzles.