Energiedak® in Azië |
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Innovative Energy Roof
"The school building will be equipped with an underfloor heating and cooling system, which regulates the heating and cooling through the surface of the floor. A concrete core activation or thermal activation of the building mass facilitates the heating and cooling. This is achieved through an extensive network of pipes running through the ceiling, and depending on the temperature of the water in the pipes, the building gets heated or cooled.
Because there are no radiators, there are no draughts, and this reduces the accumulation of dust and allergens in the air.
In the summer, warmth collected from the sun and surrounding air is collected and stored 80 m below the ground. During winter, this stored heat is pumped out andused for heating the building. Likewise, as the building is heated during winter, the system collects the cold from the surroundings and stores it 80 m below the ground. This will be used to cool the building in the summer.
What makes the project is even more sustainable is the Energy Roof, which enables the school building to generate extra energy that can be used to heat the adjoining sports hall and nearby apartments.
The innovative Energy Roof was developed by Schiebroek Roofing Company in co-operation with Volantis and the Eindhoven University of Technology. It is a thermal system that consists of a solar collector with heat exchanging tubes, which is contained in the insulating material of the roof. Over this is plastic roofing that contains integrated low power generating photovoltaic cells.
The photovoltaic panels function at its best in temperatures between 25 and 30 deg C. By regulating the temperature of the water running through the tubes, the temperature of the photovoltaic cells can be kept within the optimal range.
The concrete core activation in the ceilings and the tubes of the solar heat exchanger are both linked to a geothermal heat pump underground, where both the cold and warmth are stored for use in summer and winter, respectively. This system produces more energy that what the school, adjoining sports hall and adjacent housing departments need."
Bron: Southeast Asia Construction in Singapore
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