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IIR document
Virtual-prototype-based development of household refrigerator-freezer appliances.
Number: pap. n. 670
Author(s) : POREDOS P., LJUBENSKO A., KITANOVSKI A., et al.
Summary
This paper presents the virtual-prototype-based development of household refrigerator-freezer appliances. The virtual prototype (VP) consists of five sub-models for the compressor, the diabatic capillary tube (DCT), the condenser, the refrigerator/freezer evaporators and the transient heat transfer inside the appliance envelope. The first two sub-models rely on semi-empirical modelling, the second two on the finite control volume, while the last one is based on finite-difference modelling. The VP was experimentally validated by performing temperature and refrigerant mass flow measurements for an actual appliance in a constant climate chamber at an ambient temperature of 25 °C. The average difference between the predicted and measured values was ±13%. The presented VP was used for a case-based development, in which different sizes of the DCT, the evaporators, the condenser and the compressor-displacement sizes were used in the simulations. The experiences of using the VP show that this tool has a great impact on reducing the experimental time and costs during the prototyping phase for new refrigerator and freezer appliances.
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Details
- Original title: Virtual-prototype-based development of household refrigerator-freezer appliances.
- Record ID : 30026466
- Languages: English
- Source: Proceedings of the 25th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
- Publication date: 2019/08/24
- DOI: http://dx.doi.org/10.18462/iir.icr.2019.0670
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