DIMENSIONS AND CONFIGURATIONS OF OPENINGS IN TRADITIONAL VARNACULAR HOUSES AND BIOCLIMATE IN JAPAN

  • UNO Yuji
    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
  • 伝統的農家住宅の開口部形態・位置と立地地域における体感気候
  • デントウテキ ノウカ ジュウタク ノ カイコウブ ケイタイ イチ ト リッチ チイキ ニ オケル タイカン キコウ

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Abstract

Various passive design methods have been applied to traditional Japanese houses. The objective of this study is to investigate the dimensions and configurations of the traditional house's openings, and to clarify the relationship between the bioclimate and those opening characteristics. The traditional Japanese houses with a square plan and floor area of from 70 to 200 m2 were selected from the literature on traditional houses. In Tohoku region, west side wall of houses is blind. It indicates that houses in these areas were designed for preventing the seasonal wind. In Koshin-etsu region, opening position was decided in the relation of the mountain location. In Tokai, southern Kinki, Chugoku and Shikoku regions, the main opening was installed on both of the south and north sides, and these directions were fitted for the prevailing wind direction in the summer time. Relationship between the thermal environment indices and the opening ratios was examined. Significant correlation was observed between the thermal environment indices and the opening ratios. The siting regions were classified by means of the cluster analysis using the ratios and orientations of the openings.

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