Transactions of the Korean Society for Noise and Vibration Engineering (한국소음진동공학회논문집)

The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
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Noise Analysis of Discharge Valve in a Linear Compressor Considering Fluid-valve-piston Interactions

유체-밸브-피스톤 연성을 고려한 선형압축기 토출 밸브의 소음 해석

  • Published : 2009.12.20
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Abstract

A computational procedure to estimate the noise radiated from a discharge valve system in a linear compressor was discussed and established. This procedure was composed of three steps. As the first step, the dynamic behavior of the valve system was estimated taking into consideration of fluid-valve-piston interactions. As the second step, the flow characteristics of refrigerant in the discharge valve system were estimated through computational fluid dynamics applying the behaviors of the valves as moving boundary conditions. The variations of pressures and velocities of fluid were converted to quadrupole noise sources. As the final step, the boundary element method based on Helmholtz equation was applied to predict the radiated acoustic pressure. The computational results by the presented procedure were experimentally validated.

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References

  1. Chen, N., Tang, Y. J., Wu, Y. N., Chen, X. and Xu, L., 2007, 'Study on Static and Dynamic Characteristics of Moving Magnet Linear Compressors,' Cryogenics, Vol. 47, pp. 457-467 https://doi.org/10.1016/j.cryogenics.2007.03.011
  2. Park, S. Y., Lee, S. H., Lee, S. I. and Lee, J. M., 1999, 'Experimental Reduction of the Noise Radiated by Rotary Compressor,' Transactions of the Korean Society for Noise and Vibration Engineering, Vol. 9, No. 1, pp. 189-195
  3. Lee, D., Hwang, W., Lee, Y. and Im, H., 2002, 'Coherence Analysis of Noise and Vibration For Reciprocating Compressor,' Proceedings of the KSNVE Annual Autumn Conference, pp. 875-880
  4. Kim, H., Roh, C., Kim, J., Shin, J., Hwang, Y. and Lee, J., 2009, 'An Experimental and Numerical Study on Dynamic Characteristic of Linear Compressor in Refrigeration System,' International Journal of Refrigeration, DOI : 10.1016/j.ijrefrig.2009. 05.002
  5. Cheong, C., Kim, S., Kim, J. and Lee, S., 2004, 'Internal Aerodynamic Noise from Quick Opening Throttle Valve,' Transactions of the Korean Society for Noise and Vibration Engineering, Vol. 14, No. 4, pp. 310-318 https://doi.org/10.5050/KSNVN.2004.14.4.310
  6. Bathe, K. J. and Ledezma, G. A., 2007, 'Benchmark Problems for Incompressible Fluid Flows with Structural Interactions,' Computers & Structures, Vol. 85, Issue 11-14, pp. 628-644 https://doi.org/10.1016/j.compstruc.2007.01.025
  7. Russell, D. A., Titlow, J. P. and Bemmen, Y. J., 1999, 'Acoustic Monopoles, Dipoles, and Quadrupoles : An Experiment Revisited,' American Journal of Physics, Vol. 67, No. 8, pp. 660-661 https://doi.org/10.1119/1.19349
  8. Bathe, K. J., 2007, 'Conserving Energy and Momentum in Nonlinear Dynamics : A Simple Implicit Time Integration Scheme,' Computers and Structures, Vol. 85, Issue 7/8, pp. 437-445 https://doi.org/10.1016/j.compstruc.2006.09.004
  9. Zhang, H. and Bathe, K. J., 2001, 'Direct and Iterative Computing of Fluid Flows Fully Coupled with Structures,' Computational Fluid and Solid Mechanics, Elsevier Science Ltd., Amsterdam
  10. Batchelor, G. K., 1967, 'An Introduction to Fluid Dynamics,' Cambridge Univ. Press, Cambridge
  11. 2005, Fluent 6.2 User's Guide, Fluent Inc., Lebanon
  12. Launder, B. E. and Spalding, D. B., 1972, Lectures in Mathematical Models of Turbulence, Academic Press, London
  13. Ryu, J., Cheong, C., Kim, S. and Lee, S., 2005, 'Computation of Internal Aerodynamic Noise from a Quick-opening Throttle Valve Using Frequencydomain Acoustic Analogy,' Applied Acoustics, Vol. 66, pp. 1278-1308 https://doi.org/10.1016/j.apacoust.2005.04.002
  14. Cheong, C., Joseph, P., Park, Y. and Lee, S., 2008, 'Computation of Aeolian Tone from a Circular Cylinder Using Source Models,' Applied Acoustics, Vol. 69, pp. 110-126 https://doi.org/10.1016/j.apacoust.2006.10.004
  15. 2000, SYSNOISE 5.5 Documentation, LMS International, Belgium