熱的薄い壁体建物の屋上・壁面緑化による冷房負荷低減効果(環境工学)

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The thermal properties of the greening of the rooftop and walls were investigated through the comparison with non-green walls and walls covered by shade cloths in the experiment conducted using two experiment buildings with thermal thin walls. Also, the cooling load reduction effect of the green roof and walls was quantitatively evaluated. The obtained results were as followed. 1) The room temperature of the green building was lower than that of the non-green building because of the sun-shielding effect by plants. Electrical power consumption for air conditioning was also lower in the green building. With green roof and walls on the south and west sides, 40 to 45% energy was saved compared to the non-green building. 2) The coefficient of overall heat transmission of the green walls calculated with the power consumption by air conditioning was estimated 1.09[W/m^2K].
2009-02-20