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Identification of noise sources in scroll compressor for air-conditioner

Research paper by Jin-Kab Lee

Indexed on: 01 Jun '00Published on: 01 Jun '00Published in: Journal of Mechanical Science and Technology



Abstract

Low noise of air-conditioners is one of the most important issues because of the users’ strong demand. The main source of noise in an air-conditioner is the compressor. Therefore, noise reduction in a compressor is quite significant as an element technology in the air-conditioner field. Recently, scroll compressors are widely used, because they feature low noise, due to less pulsation of gas pressure, than that of rotary compressors. For reduction of noise, the source of noise must be identified. This paper presents a detailed analysis to identify the noise source and shows the dominant factors of noise of the scroll compressor, which will make it possible to design a scroll compressor with low noise.