Architecture Engineering Construction AEC

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13.01.2021.

Architecture Engineering Construction AEC

Despite numerous improvements and the use of all possible technical options, our energy efficient construction methods are practically exhausted. To achieve more, we must learn to understand the building of the future as an energy supplier. Instead of the usual “sticky” solutions, which are mostly photovoltaic systems, complex and formative construction methods are required. Even among the shading systems currently available on the xafs, there is no system that even remotely performs various functions of power generation, shading, transparency and transparency without requiring special maintenance of the engine controls. It would be possible to plan shading systems that independently adapt to the daytime climate, that are flexible in design and materiality, yet serve as a carrier for photocells and thus significantly shape architecture in a " low-tech " design. This approach will certainly be accepted by the population ; Finally , the photovoltaic modules no longer seemed attached and therefore strange. In architectural engineering companies have the opportunity to lead this process. Two Perspective Systems The American company SMIT ( Sustainably Minded Interactive Technology ) developed solar ivy and prepared it for use in construction. The principle is based on hanging artificial leaves with adapted photovoltaic thin-film elements such as ivy in front of the facade to create cooling effects and at the same time generate energy through sunlight. About half a dozen projects have already been completed in the New York City area: multi-storey car parks, multi-storey apartment buildings and high-rise buildings, as well as existing buildings in which the shell surfaces have been completely renewed with a bionic system. The " Flectofin " system was developed as a prototype by research teams from Stuttgart and Freiburg , a fiber processing institute and a specialist for shading systems. The model was the Strelitzia flower . With this shading system, hinges, hinges and corner joints are replaced with elastic deformations. Flektofin is technically not fully developed yet. For this, it would be useful to work on a specific object. Until now, this principle has been used by the Austrian catfish office architecture only for segments of the moving façade of the One Ocean thematic pavilion at Expo 2012 in Yeosu, South Korea. In the same year, the system received the international Bionic Award , and in 2011 the Techtextil Innovation Award . Potential benefit Flectofin flaps made of glass fiber reinforced plastic have extremely low cleaning cycles and maintenance work will also be significantly reduced thanks to the no-hinge principle. Initial calculations of energy yield from additional areas of the facade indicate a significant surplus of electricity. A comparative calculation for a multi-storey structure shows that if, instead of a conventional facade and a photovoltaic system installed only on the roof, an energy generation of about 90,000 kWh / year could be achieved, then it would be possible to achieve an output only with the help of additional photovoltaic thin-film cells on large facades. 190,000 kWh / year. If very thin monocrystalline or polycrystalline solar cells were used, the capacity could reach a maximum of 450,000 kWh / year. For the use of Flectofin valves, construction permit work is underway. The free and university research institutes involved are currently feverishly working on a component to activate the flaps, the so-called actuator. A solution also needs to be found on how best to integrate the photocells into the sash - especially with regard to preventive fire protection and fire extinguishing when used on the façade. The professional fire brigade working group is committed to a nationwide unified approach. The possibility of recycling materials has also not yet been clarified. Further research is needed to ensure their sustainable and long-term ecological use. Thus, it will take several years before the bionic systems are ready for serial production.


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