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Experimental Study on the Sealing Effect Due to Rotational Oil Flow
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English
Abstract
In this experimental investigation of the sealing mechanism, the rate of oil leakage through the gap formed by rigid seals and the shaft was measured as the function of the shaft speed, oil level, oil temperature and the gap geometry. It has been found that the oil can dynamically seal itself within a range of the shaft speed, even when the gap size is relatively large. This sealing phenomenon is due to the rotational oil flow generated by the shaft. The results of the investigation suggested that the radial seals can be functioning under the unfavorable condition of a gap between the shaft and the seal lip, if the operating parameters are carefully chosen.
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Citation
Qu, J., "Experimental Study on the Sealing Effect Due to Rotational Oil Flow," SAE Technical Paper 930528, 1993, https://doi.org/10.4271/930528.Also In
References
- Horve L.A. Understanding the Sealing Mechanism of the Radial Lip Seal for Rotating Shafts Proc. of 13th International Conference on Fluid Sealing BHR April 1992
- Müller H.K. Concept of Sealing Mechanism of Rubber Lip Type Rotary Shaft Seals Proc. of 11th International Conference on Fluid Sealing , BHRA 1978
- Müller H.K. Ott G.W. Dynamic Sealing Mechanism of Rubber Rotary Shaft Seals Proc. of 10th International Conference on Fluid Sealing , BHRA 1984
- Information About Dow Corning Silicon Fluids Dow Corning Corporation 1990
- Schlichting H. Boundary-Layer Theory 7 McGraw-Hill 1979