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Characteristic of Frost Formed on Thermally Conductive Plain Plastic Plate  

Lee Jang-Seok (D.A Research Lab., LG Electronics Co)
Lee Kwan-Soo (School of Mechanical Engineering, Hanyang University)
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International Journal of Air-Conditioning and Refrigeration / v.13, no.3, 2005 , pp. 138-144 More about this Journal
In order to select a new material for a heat exchanger, the frosting behavior of a thermally conductive plastic based on PBT was compared to the frosting behavior of aluminum and three types of plastics based on PTFE. The frosting behavior on the 1 mm thick PBT specimen was similar to that of the aluminum specimen but not that of the pure PTFE specimen. The properties of the frost formed on the specimens were affected by both the thermal conductivity and surface characteristics of the materials. The heat and mass transfer rates of the thermally conductive plastic were almost equivalent to those of the aluminum specimen.
Frost formation; Thermally conductive plastic; Frost properties;
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