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The correlation between noise of outdoor unit and thermodynamic properties of cycle at transient condition of room air-conditioner.

Number: pap. 1415

Author(s) : SON Y. B., LEE S. M., HA J. H., et al.

Summary

Recently, noise reduction of air-conditioner is one of the important design factors for high quality product. Especially, customer Complaints arise due to noise problem of the outdoor unit. After the operation of airconditioner start, noise level of outdoor unit is increased gradually and sometimes abnormal noise occurs until it reaches steady state condition. The aim of this paper is to investigate the relation between noise of outdoor unit and thermodynamic properties of cycle at transient condition of room air-conditioner. In order to find out the noise characteristics of outdoor unit, noise and vibration measurements are carried out. Also, the thermodynamic properties of compressor and heat exchanger are measured by using temperature and pressure sensors and
experimental results are discussed. Finally, we find out the relation between noise and cycle properties at starting of room air-conditioner and the improvement method to reduce noise level is proposed.

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Pages: 7 p.

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Details

  • Original title: The correlation between noise of outdoor unit and thermodynamic properties of cycle at transient condition of room air-conditioner.
  • Record ID : 30007507
  • Languages: English
  • Source: 2012 Purdue Conferences. 21st International Compressor Engineering Conference at Purdue.
  • Publication date: 2012/07/16

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