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首页> 美国政府科技报告 >Storage of Heat and Coolth in Hollow-Core Concrete Slabs. Swedish Experience, and Application to Large, American-Style Buildings
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Storage of Heat and Coolth in Hollow-Core Concrete Slabs. Swedish Experience, and Application to Large, American-Style Buildings

机译：空心混凝土板中的热量和冷却储存。瑞典的经验，以及对大型美式建筑的应用

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The Folksam office building in Farsta, near Stockholm, has operated since December 1977 with an energy use for direct space heating of only 60 kWh/m exp 2 (19,000 Btu/ft exp 2 ), which is only half the Stockholm average for new buildings. To this 60 kWh/m exp 2 must be added the typical electric use of another 60 kWh/m exp 2 for lights, equipment, fans, etc. Even though Stockholm has 3580 deg-day (C), new Swedish buildings are so well insulated that their temperature floats upwards during most winter working days. In the Folksam building, this surplus heat from 40 full-occupied hours per week is stored in hollow-core concrete slabs, and then is used to compensate for the heat losses during the remaining 128 unoccupied hours. The energy transport/storage system necessary to keep the indoor temperature comfortable, summer and winter, is called Thermodeck, and is described in detail. (ERA citation 05:012096)

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