CFD Analysis of the Volute Geometry Effect on the Turbulent Air Flow through the Turbocharger Compressor
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Date
2013
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Abstract
n this work a numerical solution with moving mesh technique is made. Many research works both experimental and
numerical on the diffuser volute interactive phenomenon have been undertaken so far. But it is found from the
literature that the study on the impeller-diffuser-volute interaction as well on the performance of the turbocharger
centrifugal compressor by varying the geometry of volute has not been the focus of attention in these works. Hence a
numerical analysis has been carried out in this work to extensively explore impeller-diffuser-volute fluid interaction
as well as to predict the flow and turbulence characteristics of the centrifugal compressor by varying the volute
geometry without changing the number of impeller blades. It is found from the analysis that volute geometry presents
a considerable effect on the pressure and temperature at the compressor outlet.