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Software for the thermohydraulic design of solar systems

In der Abbildung sind die Druckverläufe undd das Dampfvolumen in den Rohrleitungen ausserhalb der Solarkollektoren dargestellt.

At a glance

  • Co-project leader: Dr. Andreas Witzig
  • Project team: Hanna Sotnikova
  • Project status: completed
  • Funding partner: Federal government (Bundesamt für Energie BFE, Forschungsprogramm Solarwärme)
  • Contact person: Andreas Witzig

Description

Solar thermal energy offers efficient solutions for many thermal applications. However, as a prerequisite for the realization of its potential, the costs have to be reduced significantly. In a project funded by the Swiss Federal Office of Energy SFOE a thermal-hydraulic software tool has been developed. The tool offers the following features:

  • Dimensioning of pipe network and pump
  • Proof of de-aeration capability
  • Dimensioning of membrane expansion vessels
  • Proof of stagnation safety

The application of the software allows to cost-optimize solar circuits and at the same time prevents malfunctions and defects caused by design errors. An interface to the simulation tool Polysun provides a seamless integration into the established planning process.

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