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http://dx.doi.org/10.5050/KSNVE.2012.22.11.1033

Vibration and Noise Analysis for Rotary Compressor in Medium-to-high Frequency Ranges  

Kwon, Hyun-Wung (Seoul National University Naval Architecture and Ocean Engineering)
Song, Jee-Hun (Chonnam National University Department of Naval Architecture & Ocean Engineering)
Hong, Suk-Yoon (Seoul National University Naval Architecture and Ocean Engineering)
Hwa, Jong-Hun (LG Electronics Inc.)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.22, no.11, 2012 , pp. 1033-1041 More about this Journal
Abstract
Power flow analysis(PFA) is introduced for solving the noise and vibration analysis of system structures in medium-to-high frequency ranges. The vibration analysis software, $PFADS_{C++}$ R4 based on power flow finite element method(PFFEM) and the noise prediction software, $NASPFA_{C++}$ R1 based on power flow boundary element method(PFBEM) are developed. In this paper, the coupled PFFE/PFBE method is used to investigate the vibration and radiated noise of the rotary compressor. PFFEM is employed to analyze the vibrational responses of the rotary compressor, and PFBEM is applied to analyze the radiation noise around rotary compressor. The vibrational energy of the structure is used as an acoustic intensity boundary condition of PFBEM. Numerical simulations are presented for the rotary compressor, and reliable results have been obtained.
Keywords
PFA; PFFEM; PFBEM; Rotary Compressor;
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Times Cited By KSCI : 5  (Citation Analysis)
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