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MEASUREMENT AND COMMENTS ON EIGENFREQUENCIES AND THEIR MODE SHAPES OF HERMETIC COMPRESSOR SHELLS.

Author(s) : BRETSCHNEIDER V.

Summary

THE EIGENFREQUENCIES OF HERMETIC-COMPRESSOR SHELLS PLAY AN IMPORTANT ROLE IN SOUND PROPAGATION IN THE AIR. IT IS IMPORTANT TO OPTIMIZE THE COMPRESSOR FROM AN ACOUSTIC VIEW. THANKS TO MODAL ANALYSIS, MADE WITH A DUAL-CHANNEL AND ONE-PULSE-EXCITATION FFT (FAST FOURIER TRANSFORM) ANALYZER, IT IS POSSIBLE TO DETERMINE PRECISELY THE EIGENFREQUENCIES. FOR THE SIZE OF THE COMPRESSOR STUDIED, THE FREQUENCIES ARE EQUAL TO OR GREATER THAN 1 KILOHERTZ. THE ROLE OF THE DIFFERENT PARTS OF THE COMPRESSOR ANDPOTENTIAL IMPROVEMENTS ARE REVIEWED.

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Details

  • Original title: MEASUREMENT AND COMMENTS ON EIGENFREQUENCIES AND THEIR MODE SHAPES OF HERMETIC COMPRESSOR SHELLS.
  • Record ID : 1992-1600
  • Languages: English
  • Publication date: 1990/09/24
  • Source: Source: C. R. Réun. Dresde, IIF/Proc. Dresd. Meet., IIR
    1990-4; 337-342; 7 fig.; 2 ref.
  • Document available for consultation in the library of the IIR headquarters only.

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