Thermophysical properties of materials used in the design of automotive interiors are needed for computer simulation of climate conditions inside the vehicle. These properties are required for assessment of the vehicle occupants' thermal sensation as they come in contact with the vehicle interior components, such as steering wheels, arm rests, instruments panel and seats.This paper presents the results of an investigation into the thermophysical properties of materials which are required for solving the non-linear Fourier equations with any boundary conditions and taking into account materials' specific heat, volume density, thermal conductivity, and thermal optical properties (spectral and total emissivity and absorptivity). The model and results of the computer simulation will be published in a separate paper.The tested materials included foam, leather/foam laminated materials, and a few plastic laminated materials, which were used in the construction of various automotive interior parts. One original aspect of this work was the testing of plastic foam samples both at a wide temperature range from −20°C to +60°C and at varying compression levels up to 60%. Such data is needed for calculation of heat conduction within occupied automotive seats which are undergoing different static and dynamic loads.Thermal conductivity was determined as the product of thermal diffusivity and volume specific heat. The thermal diffusivity was measured in accordance to ASTM STP 1320, and the specific heat was measured according to ASTM E1269, both in the temperature range from −20°C to +60°C. The emissivity and absorptivity were measured according to ASTM E408 and ASTM E903, respectively at room temperature.The new experimental data obtained has scientific and practical interests for thermal science and engineering applications. The thermal conductivity results of the foam materials in the wide range of temperatures and compression/deformation are of interest for the development of heat transfer mechanisms in porous media, for materials science and technology. All data together enable the development of advanced mathematical models for the design, assessment and optimization of climate conditions inside cars and other vehicles.


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    Titel :

    Thermophysical Properties Measurement of Interior Car Materials vs. Temperature and Mechanical Compression


    Weitere Titelangaben:

    Sae Int. J. Mater. Manf
    Sae International Journal of Materials and Manufacturing


    Beteiligte:
    Dooge, Daniel (Autor:in) / Litovsky, Efim (Autor:in) / Kleiman, Jacob (Autor:in) / Doroudian, Mark (Autor:in) / Kolich, Michael (Autor:in) / Ng, Richard (Autor:in)

    Kongress:

    SAE 2014 World Congress & Exhibition ; 2014



    Erscheinungsdatum :

    2014-04-01


    Format / Umfang :

    9 pages




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch






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