Solar Decathlon Europe 2012: Ecolar-Odoo-Fold-Prispa


Dear Friends & Visitors/Viewers/Readers,

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This video is a composite of four designs of Solar Decathlon Europe 2012 at Madrid, Spain:
1. Ecolar Home of Scolar Team from University of Applied Sciences Konstanz of Germany
2. Odoo of Odooproject from Budapest University of Technology Y Economics of Hungary
3. Fold of Team DTU from Technical University of Denmark of Denmark
4. Prispa of Prispa Team of “Ion Mincu” University of Architecture and Urbanism Technical University of Civil Engineering of Bucharest University Politechnica of Bucharest of Romania

Ecolar, as the name suggests, is comprised of the amalgamation of “ecological” , “solar”, “economic” and “modular”.In this case, the constructive material is wood and the hollow spaces are filled with an insulation of hemp, providing a high bearing capacity and good insulation values. Its flexible joints enable the extension and deconstruction of all or part of the building. Identical columns and beams can be produced in series to reduce manufacturing cost with high level of accuracy. Three different facade elements have been selected and optimized for climate conditions and orientations to the sun of Madrid: the northern and southern walls are designed as translucent elements, the eastern and western facades are opaque and comprise a newly developed solar-hybrid -system. Its roof is covered with innovative solar panels available in an opaque and a semi-transparent design;the multifunctional panels has many different purposes: water bearing surfaces, active and passive heating, cooling, and generation of electricity. Flexibility and modularity are seen in its Super cabinet and furniture. And an intelligent home automation system provides maximum comfort while meeting high energy standards.

The 2nd design, Odoo, offers a healthier and more sustainable lifestyle, spending up to 50% of time under the open sky. The Hungarian students designed a summer kitchen and resting area where daily activities such as cooking, dining, relaxing, and working are carries out at great comfort level.They integrated the solar panels of the roof and the facade to become dominant aesthetic and architectural elements, defining the appearance of the house. Odoo featured a unique passive surface heating-cooling system, solving the issue of lacking thermal mass by adding insulated water tanks filled with collected rainwater. The tank is connected to the piping running in the floor and ceiling by a heat exchanger device.

The third design, the Fold, take energy efficiency and livability to a new level. The elegant thinfilm solar cells on the roof cover a hot water system . The 86 mm thick PVT system contributes to the house with electricity and hot water. The architectural concept of Fold is made possible by combination of very strong Finnish Kerto wood and Rockwool Aerowolle (slabs are constructed as sandwich elements with Kerto wood on both sides and Rockwool between the wooden slabs.) On both sides of the slabs a layer of high-insulating Rockwool Aerowolle is mounted. This construction prevents thermal bridges, minimizing the thickness of the slabs to create the slender Fold. Traditional floor heating panels are placed on both floor and ceiling surfaces. The PVT system on the roof supplies the floor heating with hot water and a callibrated control system and the high- performance Nilan unit converts the heat from PVTs into energy to drive the cooling system placed in the ceiling.

Finally, Prispa of Romania, finds alternative solutions to expensive systems: its modularity and simplicity makes it easy to assemble, disassemble, and expand the house, using I-joists beams (double T-shaped beams with an OSB heart and wooden feet). There is the air-to-air heat exchanger insuring fresh air and diminishing the heat load during summer. Strategic placing of thermal mass material on the floor near the South glazed surfaces to absorb natural heat from the sun or the radiant panels on the walls (clay finish for regulating humidity).
~have a bright and sunny day~
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sunisthefuture-Susan Sun Nunamaker

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