An experimental study was conducted to determine the vertical and lateral vibration-transmission characteristics of several types of transport vehicle seats (two aircraft and one bus) to obtain preliminary estimates and comparisons of the ride acceptability of the various seat types. Results of this investigation indicate that from the standpoint of human comfort the seats exhibit undesirable dynamic response characteristics. Amplification of floor vibrations occurred at the frequencies known to be most critical for human comfort in both vertical and lateral axes. An average transmissibility function for aircraft seats was tabulated together with the associated variability for use by designers who incorporate similar types of seats in their vehicles. The acceptability of vibrations resulting from floor inputs of 0.10g and 0.15g was low over a broad range of frequencies for both axes and all seat types, and was especially low at frequencies where the input was being amplified. (Author)


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    Titel :

    Vibrations Transmitted to Human Subjects Through Passenger Seats and Considerations of Passenger Comfort


    Beteiligte:

    Erscheinungsdatum :

    1975


    Format / Umfang :

    58 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch






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