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A simplified heat transfer model of a closed refrigerated display cabinet

Abstract : A simplified heat transfer model for a closed refrigerated display cabinet was developed based on a zonal approach. The developed model allows the prediction of time-averaged air and load temperatures at various positions in the display cabinet. These predicted values were compared with measured air and load temperatures. Good agreement was found between them with the maximum difference of 0.5°C for every studied position and the overall mean absolute error of 0.2°C. Air and load temperatures vary with positions. High temperature was observed at the front (highest value at the front top) and low at the back (lowest value at the back bottom). Based on the simulation, the cabinet thermal performance can be enhanced by minimizing the size of door gaps.
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Contributor : Onrawee Laguerre <>
Submitted on : Tuesday, June 15, 2021 - 5:12:19 PM
Last modification on : Tuesday, September 7, 2021 - 3:54:08 PM
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2019 ICR Montreal Closed displ...
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Nattawut Chaomuang, Onrawee Laguerre, D. Flick. A simplified heat transfer model of a closed refrigerated display cabinet. International Congress of Refrigeration, Jul 2019, Montréal, Canada. ⟨10.18462/iir.icr.2019.0049⟩. ⟨hal-03261470⟩



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