建物外皮に用いるガラスの室内側温度境界層の気流性状と熱負荷特性に関する実験研究

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  • EXPERIMENTAL STUDY ON THE CHARACTERISTICS OF AIR FLOW AND HEAT LOAD AT THE TEMPERATURE BOUNDARY LAYER OF A INDOOR GLASS USED FOR BUILDING SKIN
  • タテモノ ガイヒ ニ モチイル ガラス ノ シツナイガワ オンド キョウカイソウ ノ キリュウ セイジョウ ト ネツフカ トクセイ ニ カンスル ジッケン ケンキュウ

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The purpose of this study was to clarify influence that flow of air and quantity of heat gives heat environment in residence region. The air flow characteristics and heat load characteristics at the temperature boundary layer of a glass surface that was achieved by conducting experiments using a full-scale model. The experiments were carried out in an indoor climate laboratory in the summer, winter and intermediate seasons. Based on the measurement of temperature distribution, calculated the thickness of temperature boundary layer, air flow through the boundary layer, and the sensible heat load used air flow through the boundary layer. The relation between heat load and temperatures fluctuation of indoor and outside was clarified. And the over-all heat transfer coefficient of the conventional design(9W/(m^2・K)) was investigated by comparing the corresponding values of the coefficient calculated from Newton's law of cooling, from the thermal equilibrium equation at the indoor-side glass surface, and from the sensible heat load through the boundary layer. The three values were almost the same.

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