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Performance and Bearing Load Analysis of a Twin Screw Air Compressor

Published online by Cambridge University Press:  05 May 2011

W. S. Lee*
Affiliation:
Department of Air-Conditioning and Refrigeration, National Taipei University of Technology, Taipei, Taiwan 10672, R.O.C
R. H. Ma*
Affiliation:
Department of Mechanical Engineering, National Taiwan University, Taipei, Taiwan 10617, R.O.C.
W.F. Wu
Affiliation:
Department of Mechanical Engineering, National Taiwan University, Taipei, Taiwan 10617, R.O.C.
S.L. Chen*
Affiliation:
Department of Mechanical Engineering, National Taiwan University, Taipei, Taiwan 10617, R.O.C.
H.W. Hsia*
Affiliation:
Fu Sheng Industrial Co., Ltd., 60 Kwang-Fu Rd., Sec. 2, Sanchung, Taiwan 241, R.O.C
*
*Assistant Professor
**Graduate student
***Professor, Corresponding author
Assistant Vice President
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Abstract

To study the performance and estimate the oscillating bearing loads of a twin screw air compressor, a theoretical model is proposed in this paper. Based on the model, a computer simulation program is developed and effects of different design parameters such as rotor profile, geometric clearance, oil injected position, oil temperature, oil flow rate and other operational conditions are investigated. Output variables such as bearing loads, specific power, compression efficiency, volumetric efficiency, discharge temperature are obtained. Some of the results are then compared with experimentally measured data, and good agreements are found between the simulation results and the measured data.

Type
Articles
Copyright
Copyright © The Society of Theoretical and Applied Mechanics, R.O.C. 1999

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References

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7.You, C. X., Fleming, J. S., Tang, Y. and Cook, G., “A Generalized Method for Calculating Oscillating Bearing Loads in Helical Twin Screw Compressors,” Machine Vibration, 4, pp. 7383 (1995).Google Scholar
8.Chen, S. L. and Wu, W. F., Performance Simulation and Experimental Testing of Twin Screw Compressors, Technical Report, Department of Mechanical Engineering, National Taiwan University (1996).Google Scholar

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