![]() Results obtained confirm the existence of optimum performance of ejectors related to the nature of the flow regime and give insights on the optimal design of supersonic ejectors. Numerical simulations are performed for various ejector operating conditions (primary stagnation pressure, operation with and without induced flow). Tested parameters are secondary nozzle to primary nozzle throat-area, cylindrical mixing tube length and primary nozzle penetration length. ![]() Validation is performed for specific cases by comparing computational results and experimental measurements. The performance criteria retained for this study are the ejector capacities to create vacuum (vacuum performance) and entrain an induced flow (entrainment performance). Calculations are performed using a 2D axisymmetric CFD model. ![]() ![]() The aim of the present work is to propose a parametric study to examine the impact of several geometric parameters on ejector performance. An Investigation of Ejector Design by CFD Modelling An Investigation of Ejector Design by CFD Modelling ![]()
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