International Journal of Rotating Machinery

International Journal of Rotating Machinery / 1999 / Article

Open Access

Volume 5 |Article ID 917109 | https://doi.org/10.1155/S1023621X99000202

Thomas W. Bein, Yu-Tai Lee, "Performance Evaluation of an Air-Conditioning Compressor Part I: Measurement and Design Modeling", International Journal of Rotating Machinery, vol. 5, Article ID 917109, 10 pages, 1999. https://doi.org/10.1155/S1023621X99000202

Performance Evaluation of an Air-Conditioning Compressor Part I: Measurement and Design Modeling

Received12 May 1998
Revised10 Jul 1998

Abstract

In order to comply with legislation to eliminate the use of refrigerants that damage the ozone layer, it is necessary to redesign centrifugal compressors, used by the US Navy for shipboard air-conditioning systems, to use an environmentally acceptable refrigerant. This paper describes an evaluation of a 125-ton compressor designed to use HCFC-124 as the refrigerant. The objectives are not only conducting the performance evaluation, but also pinpointing the design problems for achieving a high-performance compressor. The design method used to design the 125-ton compressor is first reviewed and some related performance curves are predicted based on a quasi-3D method. In addition to an overall performance measurement, a series of instruments were installed on the compressor to identify where the measured performance differs from the predicted performance. The measurement techniques for providing the diagnostic flow parameters are also described briefly. Part II of this paper provides predictions of flow details in the areas of the compressor where there were differences between the measured and predicted performance.

Copyright © 1999 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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