Abstract

Turbochargers performance maps need to be extrapolated by automotive manufacturers: experimental techniques could be difficult and extrapolation models could be too simplified. A CFD model is presented with a reduced calculation time and power required for a radial turbine complete performance map: mass flow rate and efficiency. The turbine is studied as an entire system without separating the different components. The calculation is carried with a non-moving rotor mesh and extended to the negative mass flow rate region. The tendency of the efficiency curves is studied as a function of the turbine expansion ratio and the blade speed ratio. Keywords: Turbocharger, radial turbine, simulation, CFD, performance map, extrapolation, mass flow rate, efficiency.

Full Text

Published Version (Free)

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.