IIR document
Power loss analysis in a new oil-free rotary vane compressor: Experimental investigation and mathematical modeling.
Author(s) : RAYKOVSKIY N. A., CHERNOV G. I., EVDOKIMOV V. S., KALASHNIKOV A. M., SADVAKASOV D. K.
Type of article: IJR article
Summary
This paper presents the design of an oil-free rotor vane stage with a new tribological scheme. The new scheme differs from existing ones in that the sealing vane contain protrusions that rest on rolling unloading bearings located in the end covers of the cylinder. Experimental results on friction power losses in the new and traditional stages are provided, demonstrating that the implementation of the new stage design allows for an average reduction in friction power losses by a factor of 10. A mathematical model for calculating friction power losses in the rotor vane type compressor stage, implementing the new tribological scheme, has been developed. The analysis based on the mathematical model confirms the possibility of achieving mechanical efficiency values higher than 0.9 in oil-free rotor vane stages with a pressure ratio of 3 and a rotor speed of 3000 rpm, through the use of the new tribological scheme. It has been found that there is a redistribution of the importance and values of the main design parameters recommended for the design of oil-free rotor vane stages with the new tribological scheme, which determine its structural configuration, compared to its traditional design.
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Details
- Original title: Power loss analysis in a new oil-free rotary vane compressor: Experimental investigation and mathematical modeling.
- Record ID : 30032263
- Languages: English
- Subject: Technology
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 160
- Publication date: 2024/04
- DOI: http://dx.doi.org/10.1016/j.ijrefrig.2024.01.027
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Indexing
- Themes: Compressors
- Keywords: Oil free compressor; Rotary compressor; Vane compressor; Expérimentation; Modelling; Power; Friction; Calculation
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- Source: 2014 Purdue Conferences. 22nd International Compressor Engineering Conference at Purdue.
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- Author(s) : LIU C., LIU Y., CAI J.
- Date : 2012/07/16
- Languages : English
- Source: 2012 Purdue Conferences. 21st International Compressor Engineering Conference at Purdue.
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Experimental study on the tribological characte...
- Author(s) : CHEN Z., WU J., LI G.
- Date : 2018/10
- Languages : English
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- Author(s) : ITO Y., HATTORI H., MIURA K.
- Date : 2014/07/14
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- Source: 2014 Purdue Conferences. 22nd International Compressor Engineering Conference at Purdue.
- Formats : PDF
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