Can You Calculate Seal Temperature Using Known Variables?

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SUMMARY

To calculate the temperature of a seal using known variables such as RPM, pressure, time, and coefficient of friction, one must first determine the frictional force between the seal and the shaft. The frictional force multiplied by distance yields work, and work per unit time equates to power, which represents heat that must be dissipated. Understanding how this heat is rejected—whether through conduction, convection, or a cooling fluid—is essential for accurate temperature calculation.

PREREQUISITES
  • Understanding of frictional force calculations
  • Basic principles of thermodynamics
  • Knowledge of heat transfer methods (conduction and convection)
  • Familiarity with power calculations in mechanical systems
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  • Research methods for calculating frictional force in mechanical systems
  • Learn about heat transfer principles, specifically conduction and convection
  • Explore how to calculate power from work and time in mechanical applications
  • Investigate the effects of cooling fluids on temperature regulation in seals
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Mechanical engineers, thermodynamics students, and professionals involved in seal design and thermal management will benefit from this discussion.

tallone1113
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Is there an formula to calculate temperature on a seal if rpm, pressure, time and coefficient of friction are known? Thank you.

Sincerely

The TallOne
 
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Hi tall one. You can apply basic principals here. Do you know how to determine frictional force between the seal and shaft? Frictional force times distance is work. Work per unit time is power (ie: heat which must be dissipated). Once you have heat load, you need to figure out how that heat is being rejected. Either through simple conduction or convection or perhaps there's a fluid that's flowing past the seal that can carry that heat away. Hope that helps.
 
Thanks! I'll give it try.

BTW - this site is cool!
 

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