An experimental study on minimizing frost deposition on a cold surface under natural convection conditions by use of a novel anti-frosting paint. Part I. Anti-frosting performance and comparison with the uncoated metallic surface |
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Authors: | Zhongliang Liu Hongyan Wang Xinhua Zhang Sheng Meng Chongfang Ma |
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Affiliation: | aKey Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education and Key Laboratory of Heat Transfer and Energy Conversion, Beijing Education Commission, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100022, China |
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Abstract: | In this study, an experimental investigation is made of the anti-frosting performance of our newly developed anti-frosting paint. By coating the paint on a cold metal surface the onset of the frost formation may be delayed at least 15 min and the thickness of the deposited frost layer may be reduced by at least 40% and thus the weight of the deposited frost may be reduced by more than 40% compared with that on the uncoated copper surface. Under some preferable conditions (air relative humidity <60%, cold plate surface temperature >−10 °C), the coating surface can be kept free of frost at least for 3 h. |
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Keywords: | Experiment Coating Paint Frost Surface Performance ComparisonMots clé s: Experimentation Revê tement Peinture Givrage Surface Performance Comparaison |
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