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Modern energy concept with enercret absorber pile system
The scope for architectural design and the savings in running costs through the intermediate storage and reuse of excess heat were the reasons for choosing enercret. |
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Completion: |
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1998 |
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Capacity: |
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8,000 visitors (incl. seating for 3,700) |
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Max. heating capacity: |
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800 kW |
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Annual heating output of heat pump: |
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700,000 kWh |
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Client: |
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Dornbirner Messegesellschaft MbH,
Donbirn - A |
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Architect: |
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Johannes Kaufmann, Dornbirn - A |
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Building services consultant: |
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TB Michael Gutbrunner, Dornbirn - A |
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enercret installation: |
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enercret absorber piles: |
320 piles, 50 cm dia., 18m in length |
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Absorber lines: |
65 km, DN 25 mm |
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Activated ground mass: |
approx. 100,000 m3 |
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Up to 800 kW of excess heat from the ice-making equipment can be given off into the ground. Such peak outputs can also be harnessed for heating and cooling purposes. The soil beneath the hall has been turned into a 100,000 m³ storage facility for heating and cooling energy which regenerates itself over the course of the year.
Since suitably dimensioned for the overall energy system, the absorber piles can be used to cover a large part of the annual heating and cooling loads of the buildings of the exhibition centre with minimal power requirements. This means above all the heating and cooling requirements of the new exhibition hall/ice rink itself, an exhibition hall which is also used as a tennis hall and another which doubles as a sports hall. Catering and exhibition administration operations are also supplied with energy.
In order to arrive at a perfect technical solution to deal with the complexities of the dynamic thermal processes in the 3-dimensional multi-layer underground storage facility, use of the calculation and simulation software TRNSPILE/TRNSSLAB proved indispensable for planning and dimensioning the installation. |
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Project sheet download: |
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To download the PDF file, please click here .* ) |
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To view PDF files you will need the Adobe Acrobat Reader. If you do not have this software, you can download the Acrobat Reader here free of charge. |
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