The pressurization-flow characteristic of a helical viscous compressor is basic to the design of precision air bearings and non-contact gas seals which make use of the spiral-grooved surface feature. The method of Compressible Narrow Groove Analysis (CNGA) makes possible mapping of the pressurization-flow characteristic of a helical viscous compressor for a wide range of the compressibility number. In this manner, design features previously established by Quasi-Incompressible Narrow Groove Analysis (QINGA) are examined with respect to the influence of local compressibility.
Influence of Compressibility on the Helical Viscous Compressor
Contributed by the Tribology Division for publication in the ASME JOURNAL OF TRIBOLOGY. Manuscript received by the Tribology Division March 1, 2000; revised manuscript received July 20, 2000. Associate Editor: M. M. Khonsari.
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Pan, C. H. T. (July 20, 2000). "Influence of Compressibility on the Helical Viscous Compressor ." ASME. J. Tribol. January 2001; 123(1): 108–117. https://doi.org/10.1115/1.1327581
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