The effect on acute yaw angles with view direction through fire smoke: - Visibility of the emergency sign and the direction sign-

Kosuke Fujii, Tomonori Sano, Yoshifumi Ohmiya

    Research output: Contribution to journalArticle

    Abstract

    Two experiments on the visibility of a direction sign and three emergency signs through fire smoke were carried out with subjects. In Japanese railway stations, direction signs, which are prescribed by rules of each railway company, and Emergency signs, whicti are prescribed by Fire Services Act, are installed. The emergency signs used in the experiments are an evacuation exit sign and two evacuation route signs. Smoke density, type of signs and yaw angles of the sign were changed in the experiments. Twenty subjects aged twenties were participated in the experiments. All subjects have normal sight. The experiments are planned with " Design of Experiment' As a result of statistical analysis with regression analysis, relational expressions of each sign about the visible distance, smoke density and yaw angles were derived.

    Original languageEnglish
    Pages (from-to)639-648
    Number of pages10
    JournalJournal of Environmental Engineering (Japan)
    Volume79
    Issue number702
    Publication statusPublished - 2014 Aug 1

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    Smoke
    Visibility
    Fires
    Experiments
    Regression analysis
    Design of experiments
    Statistical methods
    Industry

    Keywords

    • Emergency sign
    • Evacuation
    • Sign
    • Smoke
    • Station
    • Visibility

    ASJC Scopus subject areas

    • Environmental Engineering

    Cite this

    The effect on acute yaw angles with view direction through fire smoke : - Visibility of the emergency sign and the direction sign-. / Fujii, Kosuke; Sano, Tomonori; Ohmiya, Yoshifumi.

    In: Journal of Environmental Engineering (Japan), Vol. 79, No. 702, 01.08.2014, p. 639-648.

    Research output: Contribution to journalArticle

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