Analysis Of Fluid Flow And Losses In Regenerative Flow Compressors Using Cfd

Regenerative flow compressors are rotodynamic machines capable of producing high headsrnat very low flow rates. With comparable tip speed, they can produce heads equivalent to thatrnof several centrifugal stages from a single rotor. They have found many applications forrnduties requiring high heads at low flow rates but the compression process is usually with veryrnlow efficiency which is their major drawback.rnEven though there are several factors that can be considered to improve the efficiency ofrnthese machines in this thesis various models will be developed with different blade and flowrnchannel geometries to investigate their effect on performance.rnDetails of CFD analysis on the models of the compressor, using a commercial softwarern“FLUENT”, will be presented. And based on simulation results of the different models arnblade and channel geometry that gives significant improvement on performance will bernsuggested.

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