Gas ejector modeling for design and analysis

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dc.contributor.advisor Best , Frederick R . en_US
dc.contributor.committeeMember Banerjee , Debjyoti en_US
dc.creator Liao , Chaqing en_US 2010 -01 -15T00 :09 :57Z 2014 -02 -19T19 :34 :50Z 2010 -01 -15T00 :09 :57Z 2014 -02 -19T19 :34 :50Z 2008 -12 en_US 2009 -05 -15 en_US
dc.identifier.uri http : / /hdl .handle .net /1969 .1 /ETD -TAMU -3206
dc.description.abstract A generalized ejector model was successfully developed for gas ejector design and performance analysis . Previous 1 -D analytical models can be derived from this new comprehensive model as particular cases . For the first time , this model shows the relationship between the cosntant -pressure and constant -area 1 -D ejector models . The new model extends existing models and provides a high level of confidence in the understanding of ejector mechanics . ?Off -design ? operating conditions , such as the shock occurring in the primary stream , are included in the generalized ejector model . Additionally , this model has been applied to two -phase systems including the gas -liquid ejector designed for a Proton Exchange Membrane (PEM ) fuel cell system . The equations of the constant -pressure and constant -area models were verified . A parametric study was performed on these widely adopted 1 -D analytical ejector models . FLUENT , commercially available Computational Fluid Dynamics (CFD ) software , was used to model gas ejectors . To validate the CFD simulation , the numerical predictions were compared to test data and good agreement was found between them . Based on this benchmark , FLUENT was applied to design ejectors with optimal geometry configurations . en_US
dc.format.medium electronic en_US
dc.format.mimetype application /pdf en_US
dc.language.iso en _US en_US
dc.subject Gas Ejector en_US
dc.title Gas ejector modeling for design and analysis en_US
dc.type Book en
dc.type.genre Electronic Dissertation en_US
dc.type.material text en_US
dc.format.digitalOrigin born digital en_US


Gas ejector modeling for design and analysis. Available electronically from http : / /hdl .handle .net /1969 .1 /ETD -TAMU -3206 .

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