NUMERICAL ESTIMATION OF REGIONAL CHARACTERISTICS OF INFILTRATION LOAD IN JAPAN : Experimantal study on natural ventilation detached house Part 3

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  • 日本における漏気量・漏気負荷の地域特性に関する検討 : 住宅の換気・通風に関する実験的研究 その3
  • ニホン ニ オケル ロウキリョウ ロウキ フカ ノ チイキ トクセイ ニ カン

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The distribution of the infiltration loads of the model detached house and its energy consumption costs for the airconditioning in Japan are numerically estimated. The distribution of infiltration loads, calculated from the coefficients of wall surface windpressure by means of the wind tunnel experiment, the wind velocity and the outdoor temperature accounting the annual meterological data which precisely covers all over Japan, well presents not only the regional characteristics of the infiltration loads in Japan, but also the regional effectiveness of the airtightness of the house. Observing the distributions, follows are introduced: 1. In winter season, very large amount of the infiltration loads for heating is estimated at the northern half of Japan and the seashore area along Japan Sea. 2. In summer season, and large amount of the infiltration loads for cooling is estimated at southern part of Japan and at several large plains. 3. The distribution of the energy consumption costs for the air-conditioning is rather similar to the distribution of the infiltration loads in winter season. Thus, it is concluded that the airtightness of the house is very effective to reduce the infiltration load in Hokkaido, Tohoku, Hokuriku area.

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