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Sensitivity analysis of a comprehensive model for a miniature-scale linear compressor for electronics cooling.

Author(s) : BRADSHAW C. R., GROLL E. A., GARIMELLA S. V.

Type of article: Article, IJR article

Summary

A comprehensive model of a linear compressor for electronics cooling was previously presented by Bradshaw et al. (2011). The current study expands upon this work by first developing methods for predicting the resonant frequency of a linear compressor and for controlling its piston stroke. Key parameters governing compressor performance – leakage gap, eccentricity, and piston geometry – are explored using a sensitivity analysis. It is demonstrated that for optimum performance, the leakage gap and frictional parameters should be minimized. In addition, the ratio of piston stroke to diameter should not exceed a value of one to minimize friction and leakage losses, but should be large enough to preclude the need for an oversized motor. An improved linear compressor design is proposed for an electronics cooling application, with a predicted cooling capacity of 200 W a cylindrical compressor package size of diameter 50.3 mm and length 102 mm.

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Pages: 1998-2006

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Details

  • Original title: Sensitivity analysis of a comprehensive model for a miniature-scale linear compressor for electronics cooling.
  • Record ID : 30009787
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 36 - n. 7
  • Publication date: 2013/11

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