![]() To validate the CFD simulation, the numerical predictions were compared to test data and good agreement was found between them. Parametric study was performed on these widely adopted 1-D analytical ejector models.įLUENT, commercially available Computational Fluid Dynamics (CFD) software, was The equations of the constant-pressure and constant-area models were verified. Shock occurring in the primary stream, are included in the generalized ejector model.Īdditionally, this model has been applied to two-phase systems including the gas-liquidĮjector designed for a Proton Exchange Membrane (PEM) fuel cell system. “Off-design” operating conditions, such as the ![]() New model extends existing models and provides a high level of confidence in the Relationship between the cosntant-pressure and constant-area 1-D ejector models. Previous 1-D analytical models can be derived from this newĬomprehensive model as particular cases. Basic ejector components are the steam chest, nozzle, suction, throat, diffuser and they discharge (Fig. Very often, the motive fluid is steam and the device is called a steam jet ejector. Instead, it uses a fluid or gas as a motive force. A generalized ejector model was successfully developed for gas ejector design and Ejector Design: Very simply, an ejector is a pumping device.
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