Transient cycle simulation of domestic appliances and experimental validation

Martin Heimel, Erwin Berger, Stefan Posch, Axel Stupnik, Johann Wilfried Hopfgartner, Raimund Almbauer

Research output: Contribution to journalArticleResearchpeer-review

Abstract

This work gives insight in the development and the application of a semi-implicit transient cycle simulation tool. The model consists of subcomponents which are independently validated and coupled in order to shape a fully functional cycle simulation. The used methods comprise empirical models, artificial neural networks or more complicated, transient 1d finite volume formulations for two-phase flow.
The validation of the cycle simulation is carried out using data from a specially equipped domestic freezer. The model is calibrated to one operating point and afterwards tested under varying ambient temperatures and thermostat settings. The agreement compared to measurements is 6.9 % mean and 5.5 % standard deviation of the total electric energy consumption. Furthermore, parameters like refrigerant distribution, pressure drop, temperature or mass flow rate can be monitored.
Original languageEnglish
Pages (from-to)28-41
JournalInternational journal of refrigeration
Volume69
Publication statusPublished - 2016

Keywords

    Cite this

    Transient cycle simulation of domestic appliances and experimental validation. / Heimel, Martin; Berger, Erwin; Posch, Stefan; Stupnik, Axel; Hopfgartner, Johann Wilfried; Almbauer, Raimund.

    In: International journal of refrigeration, Vol. 69, 2016, p. 28-41.

    Research output: Contribution to journalArticleResearchpeer-review

    Heimel, Martin ; Berger, Erwin ; Posch, Stefan ; Stupnik, Axel ; Hopfgartner, Johann Wilfried ; Almbauer, Raimund. / Transient cycle simulation of domestic appliances and experimental validation. In: International journal of refrigeration. 2016 ; Vol. 69. pp. 28-41.
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    AU - Almbauer, Raimund

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    AB - This work gives insight in the development and the application of a semi-implicit transient cycle simulation tool. The model consists of subcomponents which are independently validated and coupled in order to shape a fully functional cycle simulation. The used methods comprise empirical models, artificial neural networks or more complicated, transient 1d finite volume formulations for two-phase flow.The validation of the cycle simulation is carried out using data from a specially equipped domestic freezer. The model is calibrated to one operating point and afterwards tested under varying ambient temperatures and thermostat settings. The agreement compared to measurements is 6.9 % mean and 5.5 % standard deviation of the total electric energy consumption. Furthermore, parameters like refrigerant distribution, pressure drop, temperature or mass flow rate can be monitored.

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