Conference,

Influence of Lubricants on the Thermal Behaviour of Rotary Shaft Seals

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(12.-13. Oktober 2022)729 (peer-review).
DOI: 10.61319/6URTM5GB

Abstract

The thermal behaviour of rotary shaft seals is affected by the fluid which has to be sealed. The fluid lubricates the sealing contact and determines the frictional heat generated there. Additionally, the fluid influences the heat transfer to the environment. Both aspects were experimentally analysed by measuring the friction torque and the temperature on the air side near the sealing contact during test runs with 16 different lubricants. The measurement results show that the fluid affects the heat generation much more than the heat transfer. In general, the friction torque is higher for more viscous fluids. However, several exceptions restrict this finding.

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