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In the study of dynamic analyses of the rotor-journal bearing system in a twin-screw refrigeration compressor, axis orbit is a comprehensive behavior of journal bearing working condition. In this paper, the gas radial dynamic load acting on the female rotor of a twin-screw compressor is calculated through ANSYS and an experimental research of axis orbit under different working conditions and different built-in volume ratio is presented. Moreover, the axis orbit of +40/5°C with 2.6 built-in volume ratio is calculated to be compared with experimental results. Finally, a theoretical study on the axis orbit for various radial clearance, aspect ratio and unbalanced mass eccentricity is carried out by solving nonlinear locus calculation model.
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Details
- Original title: Dynamic analyses for the rotor-journal bearing system of a twin-screw refrigeration compressor.
- Record ID : 30022139
- Languages: English
- Source: 8th international conference on compressors and refrigeration, 2017.
- Publication date: 2017/07/20
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Indexing
- Themes: Compressors
- Keywords: Rotor; Bearing; Modelling; Expérimentation; Screw compressor
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