| Budget Amount *help |
¥3,300,000 (Direct Cost: ¥3,300,000)
Fiscal Year 2001: ¥800,000 (Direct Cost: ¥800,000)
Fiscal Year 2000: ¥1,100,000 (Direct Cost: ¥1,100,000)
Fiscal Year 1999: ¥1,400,000 (Direct Cost: ¥1,400,000)
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| Research Abstract |
Based on the research mainly on the traditional houses inside and outside our county we conclude that the traditional technique is environment-ftiendly and will take an important role in preserving earth in the cyclic society. Modern science and technology is not always environment-friendly and can not give a solution to energy problem on earth. Modern society is controlled by economy, and the forests and plants do not grow in accord with nature. In order to preserve our earth, we must protect forests and plants. The word, natural energy, in a broad sense of the word, should contain forests and plants, beside so-called wind, water and solar energy and biomass.
In order to simulate traditional houses, a new computer program is employed for three kinds of simple-shaped houses, namely, cubic house, triangle-roofed house and ancient pit house (tateana jukyo). Suitability of wall and roof materials, namely, miscanthus, wood, clay and stone are examined, for the standard winter and summer climate conditions, by calculating the room temperature and room humidity every hour. In case of miscanthus , the fluctuation of room temperature is the least, and the room temperature is also kept highest in heating. For wood and clay, the humidity inside the room is kept lower than that outside. In case of ancient pit house, although the humidity is always higher, the room temperature is kept higher in winter and lower in summer.
As a technique for the coming environmentally-friendly society, the property of natural working fluids, namely, natural refrigerants, is compiled.
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