Assessment of turbocharger turbine unsteady flow modelling methodology on engine performance

• Main Authors: Mustafa, Ammar, Martines-Botas, Ricardo, Pesiridis, Apostolos, Chiong, Meng Soon, Rajoo, Srithar
• Format: Article
• Published: Web Portal ASME (American Society of Mechanical Engineers) 2014
• Subjects: TJ Mechanical engineering and machinery
• Online Access: http://eprints.utm.my/id/eprint/51953/; http://dx.doi.org/10.1115/ESDA2014-20392

Although it is well known that the flow entering a turbine of a turbocharger engine is highly unsteady, engine manufacturers prefer to use turbine performance predictions that are based on steady-state performance maps, which inherently lead to inaccuracies in the turbine's behavior and mismatc...