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Pattern Analysis of Noise Radiated from Household Refrigerator
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 Title & Authors
Pattern Analysis of Noise Radiated from Household Refrigerator
Kong, Kyung-Soo; Jeong, Weui-Bong; Kim, Tae-Hoon; Shin, Dae-Sik; Ahn, Se-Jin;
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 Abstract
The noise pattern of a household refrigerator is dependent on the characteristics of its operating cycle which is repeated with a specific pattern depending on various parameters, such as room temperature and performance of its mechanical parts. Analysis of noise pattern is essential prior to evaluation of sound quality of a refrigerator. In this study, 14 units of refrigerator were classified into 4 types according to noise pattern and sort of mechanical part, which helps to analyze characteristics of refrigerator noise. Sound quality metrics(loudness, sharpness, roughness, and fluctuation strength) were calculated to compare noise pattern of the 4 types of refrigerator. The results of this study can be useful to decide noise performance of refrigerator.
 Keywords
Refrigerator;Cooling Cycle;Sound Quality;Compressor Noise;Fan Noise;Defrost Noise;Noise Pattern;
 Language
Korean
 Cited by
 References
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