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FP5

TESSAS Informe resumido

Project ID: ERK6-CT-1999-00016
Financiado con arreglo a: FP5-EESD
País: Belgium

Integration of a high temperature storage field in an existing (building or process) heating system

The integration of renewable / high efficiency energy systems in existing installations led to numerous problems in the past. Those installations were designed according to traditional rules and uses. The change of heat provider can result in bad performance. The typical problem regards the (too high) return temperature from the heating system of the building. Many condensing boilers do not condensate because of this reason. The higher investment doesn't pay off in that case, as boiler efficiency doesn't improve.

The execution of the TESSAS project also made clear that special attention to efficient system integration is of main importance. Even if individual underground storage performance is superb if the building system doesn't match with the storage system, total system performance can be disastrous. The same arguments can be stated for process heating systems.

In order to meet with these needs, the design of an underground storage or heat pump system is performed with a simulation tool that also has extensive building simulation tools (TRNSYS software). Due to it's modular structure, the set up possibilities are various and all kinds of innovative energy systems can be evaluated. Short and long term system dynamics can be analyzed. In order to improve system performance, installation adaptations may be necessary. A combination of expertise on underground, innovative and traditional energy systems is required in order to cope with these challenges. Specialists on every field need to be gathered for a successful result.

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VITO
Boeretang 200
2400 Mol
Belgium
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