An unobscured view from the vehicle during rainy weather conditions is essential for occupants’ safety and comfort. With the decrease in the time available for vehicle development and testing, it is becoming even more important to control and predict vehicle water management early in the development cycle to avoid undesired soiling effects. To do so, a transient external aerodynamics airflow coupled with a discrete particle phase is simu-lated, where rain droplets away from the vehicle are modeled as Lagrangian particles and rain droplets that impact the vehicle are represented through a film model. A novel, time-efficient implementation of a windscreen wiper based on [1] within iconCFD [2] is also summarized. A representative example - rain-induced reduced visibility on the side window - is considered to discuss the physics, time scales, and recommended best practices for rain soiling simulations. The simulation results for this example case are compared with experimental data.


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    Titel :

    Efficient CFD Methods for Assessment of Water Management


    Weitere Titelangaben:

    Proceedings


    Beteiligte:
    Bargende, Michael (Herausgeber:in) / Reuss, Hans-Christian (Herausgeber:in) / Wagner, Andreas (Herausgeber:in) / Novák, Martin (Autor:in) / Devaradja, Rene (Autor:in) / Papper, Jacques (Autor:in) / Černý, Martin (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2021-05-14


    Format / Umfang :

    16 pages





    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Elektronische Ressource


    Sprache :

    Deutsch




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