| Budget Amount *help |
¥9,230,000 (Direct Cost: ¥7,100,000、Indirect Cost: ¥2,130,000)
Fiscal Year 2009: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2008: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2007: ¥7,930,000 (Direct Cost: ¥6,100,000、Indirect Cost: ¥1,830,000)
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| Research Abstract |
Roof Pond (RP) is decided as thin water layer on flat roof top that has a function of evaporative cooling in summer. RP has an advantage of controllability relative to the conventional cool roof techniques such as the high reflective paint etc. First, we measured and analyzed the heat balance of a glass RP model. Second, the verification test was led in 2009. We measured the thermal condition in two rooms in a RC residential building. Finaly, simulated Load Reduction Rate (LRR) is about 25% for the RC house. The overall conclusion is that RP system is a simple and effective way to decrease the room temperature in summer and reduce the seasonal cooling load.
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