By integrating CFD results into experimental analysis one combines the strengths of both disciplines. Thus the investigation of functional, thermally heavily used components requires a precise and highly dependable prediction of thermal loads so that their functionality can be assessed for lifetime. A CFD analysis conducted at medium precision can quickly provide valuable information about complex spatial structures of temperature distributions and flow fields. The computed results support experimentalists in both reducing cost as well as improving analysis accuracy. Here, a modular approach is applied - by focussing on a single module only that has been meshed at a significantly higher resolution, more complex physics can be taken into account: transient computations including free convection and thermal radiation become feasible. The advantage of this approach is illustrated by a thermal analysis that has been carried out for an AUDI concept vehicle focussing on maximum velocity conditions as well as the transient cool down behaviour of the car. The results obtained identified this methodology to be extremely powerful when assessing concept variations.


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    Title :

    Application of CFD as an efficient analysis tool supporting the experimental investigation of underhood and underbody vehicle flows


    Additional title:

    Verwendung der numerischen Strömungssimulation als wirksames Analysewerkzeug zur Unterstützung der experimentellen Untersuchung der Fahrzeugströmungen unter der Motorhaube und unter dem Boden


    Contributors:


    Publication date :

    2003


    Size :

    11 Seiten, 8 Bilder, 7 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





    Application of CFD as an efficient analysis tool supporting the experimental investigation of underhood and underbody vehicle flows

    Schuster, M. / Institution of Mechanical Engineers / Society of Automotive Engineers | British Library Conference Proceedings | 2003


    Application of CFD as an Efficient Analysis Tool Supporting the Experimental Investigation of Underhood and Underbody Vehicle Flows

    Schuster, M. / VDI Gesellschaft Fahrzeug- und Verkehrstechnik | British Library Conference Proceedings | 2002


    The Measurement of Underhood and Underbody Velocities with the H-Meter

    Barry, Robert E. / Dudley, Scott P. | SAE Technical Papers | 1999


    The measurement of underhood and underbody velocities with the H-meter

    Dudley,S.P. / Barry,R.E. / Ford Motor,US et al. | Automotive engineering | 1999