Development of new passenger-car climate control systems that contribute to improved comfort and decreased fuel consumption requires quantitative evaluations of thermal sensation and comfort. Therefore, a new evaluation method of the transient and non-uniform passenger-compartment thermal environment has been developed. Vehicle occupant's local thermal sensations are evaluated by using the local standard new effective temperature (SET) that is calculated using a human thermoregulation model. The occupant's whole-body thermal comfort is then evaluated by local thermal sensation. The theory of the method and some example application results are introduced in this paper. A 16-body-segment 128-node human thermoregulatory model was developed to enable calculation of the SET of each body segment (local SET). A new evaluation method is proposed to predict local thermal sensations and whole-body thermal comfort from the local SET in a steady-state environment. The study shows that the proposed method can predict the local thermal sensations in a transient environment by using the SET change ratio, and the whole-body thermal comfort in a transient environment by clarifying the degree of contribution of each local thermal comfort to the whole-body thermal comfort.


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    Titel :

    New evaluation method of transient and non-uniform environment in a passenger compartment


    Beteiligte:
    Imai, Kenjiro (Autor:in) / Kataoka, Takuya (Autor:in) / Masuda, Takafumi (Autor:in) / Inada, Tomohiro (Autor:in)


    Erscheinungsdatum :

    2011


    Format / Umfang :

    13 Seiten, 14 Bilder, 10 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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