Finite Element Analysis and Optimization of Flexure Bearing for Linear Motor Compressor

doi:https://doi.org/10.1016/j.phpro.2015.06.044

Open AccessArticle10.1016/j.phpro.2015.06.044

Finite Element Analysis and Optimization of Flexure Bearing for Linear Motor Compressor

Maruti M. Khot,B. S. Gawali-2015-01-01-Physics Procedia

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TL;DRAbstract

Nowadays linear motor compressors are commonly used in miniature cryocoolers instead of rotary compressors because rotary compressors apply large radial forces to the piston, which provide no useful work, cause large amount of wear and usually require lubrication. Recent trends favour flexure supported configurations for long life. The present work aims at designing and geometrical optimization of flexure bearings using finite element analysis and the development of design charts for selection purposes. The work also covers the manufacturing of flexures using different materials and the validation of the experimental finite element analysis results.

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Nowadays linear motor compressors are commonly used in miniature cryocoolers instead of rotary compressors because rotary compressors apply large radial forces to the piston, which provide no useful work, cause large amount of wear and usually require lubrication. Recent trends favour flexure supported configurations for long life. The present work aims at designing and geometrical optimization of flexure bearings using finite element analysis and the development of design charts for selection purposes. The work also covers the manufacturing of flexures using different materials and the validation of the experimental finite element analysis results.

Keywords

Finite element methodGas compressorMechanical engineeringPiston (optics)Work (physics)Reciprocating compressorLinear motorCryocooler

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