Transactions of the Korean Society of Mechanical Engineers A (대한기계학회논문집A)

The Korean Society of Mechanical Engineers (대한기계학회)
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Design Optimization of an Accumulator for Noise Reduction of Rotary Compressor

공조용 로터리 압축기 소음저감을 위한 어큐뮬레이터 최적설계

  • Lee, Ui-Yoon (Digital Appliances Business, Samsung Electronics Co,. Ltd.) ;
  • Kim, Bong-Joon (Digital Appliances Business, Samsung Electronics Co,. Ltd.) ;
  • Lee, Jeong-Bae (Digital Appliances Business, Samsung Electronics Co,. Ltd.) ;
  • Sung, Chun-Mo (Digital Appliances Business, Samsung Electronics Co,. Ltd.) ;
  • Lee, Un-Seop (Digital Appliances Business, Samsung Electronics Co,. Ltd.) ;
  • Lee, Jong-Soo (School of Mechanical Engineering, Yonsei Univ.)
  • 이의윤 (삼성전자 생활가전사업부) ;
  • 김봉준 (삼성전자 생활가전사업부) ;
  • 이정배 (삼성전자 생활가전사업부) ;
  • 성춘모 (삼성전자 생활가전사업부) ;
  • 이운섭 (삼성전자 생활가전사업부) ;
  • 이종수 (연세대학교 기계공학부)
  • Received : 2010.12.14
  • Accepted : 2011.04.25
  • Published : 2011.07.01
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Abstract

Recently, noise reduction in room air conditioners has been one of the important issues as well as cooling efficiency. The rotary compressor is the dominant noise source in an air conditioner. A number of studies have been conducted on reducing compressor noise through improving muffler and resonator design. However the noise from the accumulator, a noise delivering path between compressor and air conditioner, is not fully taken into consideration. The accumulator contains a large inner cavity, and usually generates additional resonance noise during operation. This paper aims to conduct an optimal design for reducing accumulator noise by maximizing the transmission loss within the target frequency range that represents high-order nonlinearity. Design of experiments and radial basis function neural network are used in the context of approximate meta-models, and genetic algorithm is used as an optimization tool.

최근 가정용 에어컨은 냉방효율뿐 아니라 소음에 대한 중요성이 지속적으로 높아지고 있다. 로터리 압축기는 에어컨의 소음 중 매우 높은 영향도를 가지고 있으며, 압축기의 소음을 줄이기 위해 머플러 및 공명기에 관한 많은 연구들이 진행되어 왔다. 압축기의 부품 중 어큐뮬레이터는 큰 용적으로 인해 공명에 의한 추가 소음을 에어컨에 전달하는 소음 전달경로가 되며, 어큐뮬레이터의 내부구조는 소음저감을 위해 중요한 설계요소가 되나 지금까지는 연구결과가 미비한 수준이었다. 본 논문에서는 어큐뮬레이터의 소음 저감을 위해 목표주파수 대역에서의 투과손실이 최대가 되는 설계최적화를 수행하였다. 높은 비선형성을 가진 문제의 최적화를 위해 실험계획법과 반경기저신경망기법을 이용한 근사 모델을 사용하였으며, 유전알고리즘을 사용한 최적화를 수행하였다.

Keywords

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Cited by

  1. Vibration and Noise Analysis for Rotary Compressor in Medium-to-high Frequency Ranges vol.22, pp.11, 2012, https://doi.org/10.5050/KSNVE.2012.22.11.1033