Driving comfort quality can be improved by attenuation of vibrations by the polyurethane foam. A human transmissivity test, used to measure the vibrational characteristics of a TDI (toluene diisocyanate) and an MDI (diphenylmethane diisocyanate) polyurethane foam, showed that the TDI foam starts to attenuate vibrations at lower frequency and more efficiently at all frequencies after the resonance peak. A simple transmissivity test using a free mass has been developed that gives trends similar to the human test. Using the simple test, the TDI based foam has been optimized to give a lower peak height while maintaining its superior attenuation at higher frequencies.


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    Title :

    Improving the driving comfort quality of automotive seating


    Additional title:

    Verbesserung der Fahrkomfortqualität von Autositzen


    Contributors:


    Publication date :

    1997


    Size :

    10 Seiten, 6 Bilder, 4 Tabellen, 4 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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