QUANTITATIVE EXPRESSION OF COMBINED EFFECTS OF HIGH AMBIENT TEMPERATURE AND TRAFFIC NOISE ON PSYCHOLOGICAL RESPONSES

  • NAGANO Kazuo
    Dept. of Architecture, Nagoya Institute of Technology
  • HORIKOSHI Tetsumi
    Dept. of Environmental Technology & Urban Planning, Graduate School of Eng., Nagoya Institute of Technology

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Other Title
  • 暑熱および交通騒音が心理反応に及ぼす複合影響の定量的表現
  • ショネツ オヨビ コウツウ ソウオン ガ シンリ ハンノウ ニ オヨボス フクゴウ エイキョウ ノ テイリョウテキ ヒョウゲン

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Abstract

In order to obtain in-situ evaluation of real daily living environment, it is necessary to treat plural environmental factors synthetically and to get both the non-specific evaluation (i.e. the universal comfort/discomfort) and the specific evaluation (i.e. the thermal comfort, the auditory, and the like) for each factor. In this study, twenty-nine male students were exposed to the combined twenty-five conditions of noise (46.8, 59.2,73.1,80.0,95.4LAeq) and operative temperature (27,30,33,36,39℃). The subjects reported their feelings for each combined condition using linear unipolar scales. Results show thermal conditions affect both of noisy/quiet sensations and auditory comfort/discomfort significantly. It is obvious that the combined effect of temperature and noise contribute to the universal comfort and discomfort sensation. Equi-comfort and equi-discomfort charts are proposed to quantitatively evaluate the combined effects of the thermal and noise environment in this experiment.

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