Cabin thermal loads are largely affected by transient solar radiation. One critical situation is when a car has been parked in the sun for several hours; the average temperature inside the car and the boot becomes very high. These high temperatures can affect the performance of infotainment systems (amplifier, GPS/Navigation system, etc.) inside the cabin and boot. In the current paper, a 3D CAE model is developed to predict the cabin and boot temperatures for different solar loads using commercial software RadTherm (ThermoAnalytics Inc). Two different cases have been simulated: (1) fixed sun position - representing the Climate Wind Tunnel (CWT) and (2) moving sun position - representing the real life scenario. The numerical results were validated against the experimental data and a comparison between these two cases has been presented. The predicted results showed good agreement against the test data with some discrepancies. Comparison of fixed sun and moving sun position results showed that latter had low temperatures in boot and cabin. The findings of this study would help the designer to detect any issues and optimise the design and package quite early in the programme. The application of this model will save development time and wind tunnel shifts. Thus, reducing the cost and carbon print during the product development process.


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    Titel :

    Effect of sun's orientation on boot thermal load


    Beteiligte:
    Shaik, A.Q. (Autor:in) / Jansen, W. (Autor:in)


    Erscheinungsdatum :

    2013


    Format / Umfang :

    10 Seiten, 9 Bilder, 3 Tabellen, 12 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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