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The effects of thermoelastic and wear on the leakage of compressible gases in shaft seals
- Authors
- Kim, C.K.
- Issue Date
- 1988
- Keywords
- Leakage Flow Rate; Sealing Gap; Shaft Seal; Surface Waveness; Thermoelastic Effects
- Citation
- KSME Journal, v.2, no.2, pp.133 - 139
- Journal Title
- KSME Journal
- Volume
- 2
- Number
- 2
- Start Page
- 133
- End Page
- 139
- ISSN
- 1738-494X
- Abstract
- Analysis are presented for a compressible gas flow across shaft seals. The leakage flow rate is developed analytically for a sealing gap due to eccentricity, misalignment of a shaft, sinusoidal wavy surfaces for both bodies, thermoelastic deformation on the edge of the body, and wear on the mating surfaces. A pressure distribution is determined as a power series based on the simplified nonlinear Reynolds equation. The restriction to exclude the thermoelastic effects was presented. Analytical results indicate that the thermoelastic distortion may dominate the seal performance when the eccentricity is large and width of the seal small at high speeds. © 1998, The Korean Society of Mechanical Engineers (KSME). All rights reserved.
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Collections - Department of General Studies > Department of General Studies > 1. Journal Articles
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