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RECENT Experiences of PANS predictions in vehicle aerodynamics

Sinisa Krajnovic (Institutionen för tillämpad mekanik, Strömningslära) ; Guglielmo Minelli (Institutionen för tillämpad mekanik, Strömningslära) ; Anirudh Narayan Rao (Institutionen för tillämpad mekanik)
26th JUMV International Automotive Conference Belgrade 19/20 April 2017 (2016)
[Konferensbidrag, refereegranskat]

This paper presents recent applications of the Partially-averaged Navier-Stokes equations for external vehicle flows. The flow predictions range from simplified ground vehicle flow, flow around a freight train locomotive to the investigation of a simplified truck at yaw, and active flow control. The new predictions show good agreement with the experimental observations. The results of the PANS simulations are used to study the differences between the quasi-steady and dynamic change of the yaw for the flow around a simplified truck cabin. Furthermore, active flow control was implemented with the aim to suppress the separations around the front A pillars of a simplified truck using PANS.



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Denna post skapades 2017-07-27.
CPL Pubid: 250818

 

Institutioner (Chalmers)

Institutionen för tillämpad mekanik, Strömningslära (2005-2017)
Institutionen för tillämpad mekanik (1900-2017)

Ämnesområden

Transport
Farkostteknik
Strömningsmekanik och akustik

Chalmers infrastruktur

C3SE/SNIC (Chalmers Centre for Computational Science and Engineering)