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Modelling of heat pumps with an object-oriented model library for thermodynamic systems

Author

Listed:
  • M. Gräber
  • K. Kosowski
  • C. Richter
  • W. Tegethoff

Abstract

Novel CO 2 heat pump systems for domestic hot water supply are modelled using an object-oriented thermodynamic model library written in Modelica. Due to the variety of mathematical structures of thermodynamic models and the possibilities of object-oriented modelling languages, powerful libraries are often very complex and hard to understand. The scope of the presented library lies on good readability and usability for both users and model designers. The basic structure and design concepts of the library are outlined and also the most important model concepts are explained. The heat pump system is modelled and simulation results are compared with test stand measurements. Simulation results are used to analyse the design of the system and to get information about possible further improvements.

Suggested Citation

  • M. Gräber & K. Kosowski & C. Richter & W. Tegethoff, 2010. "Modelling of heat pumps with an object-oriented model library for thermodynamic systems," Mathematical and Computer Modelling of Dynamical Systems, Taylor & Francis Journals, vol. 16(3), pages 195-209, May.
    • Handle: RePEc:taf:nmcmxx:v:16:y:2010:i:3:p:195-209
    DOI: 10.1080/13873954.2010.506799
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    Cited by:

    1. Wolscht, Leonhard & Knobloch, Kai & Jacquemoud, Emmanuel & Jenny, Philipp, 2024. "Dynamic simulation and experimental validation of a 35 MW heat pump based on a transcritical CO2 cycle," Energy, Elsevier, vol. 294(C).
    2. Ángel Á. Pardiñas & Michael Jokiel & Christian Schlemminger & Håkon Selvnes & Armin Hafner, 2021. "Modeling of a CO 2 -Based Integrated Refrigeration System for Supermarkets," Energies, MDPI, vol. 14(21), pages 1-21, October.
    3. Valeria Palomba & Efstratios Varvagiannis & Sotirios Karellas & Andrea Frazzica, 2019. "Hybrid Adsorption-Compression Systems for Air Conditioning in Efficient Buildings: Design through Validated Dynamic Models," Energies, MDPI, vol. 12(6), pages 1-28, March.
    4. Paolo Artuso & Giacomo Tosato & Antonio Rossetti & Sergio Marinetti & Armin Hafner & Krzysztof Banasiak & Silvia Minetto, 2021. "Dynamic Modelling and Validation of an Air-to-Water Reversible R744 Heat Pump for High Energy Demand Buildings," Energies, MDPI, vol. 14(24), pages 1-25, December.

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