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Applied Sciences
Volume 13
Issue 1
10.3390/app13010153
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Article

Numerical Analysis via Mixed Inverse Hydrodynamic Lubrication Theory of Reciprocating Rubber Seal Considering the Friction Thermal Effect

by
Bongjun Kim
1,†,
Junho Suh
2,†,
Bora Lee
2,
Yondo Chun
3,
Geuntae Hong
4,
Jungjoon Park
5 and
Yonghun Yu
5,*
1
Hyundai Heavy Industries, Ulsan 44032, Republic of Korea
2
School of Mechanical Engineering, Pusan National University, Busan 46241, Republic of Korea
3
Electric Machines and Drives System Research Center, Korea Electrotechnology Research Institute, Changwon 51543, Republic of Korea
4
Department of Civil Engineering, Kyungpook National University, Daegu 41566, Republic of Korea
5
Innovative Transportation & Logistics Research Center, Korea Railroad Research Institute, Uiwang-si 16105, Republic of Korea
*
Author to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Appl. Sci. 2023, 13(1), 153; https://doi.org/10.3390/app13010153
Submission received: 9 November 2022 / Revised: 15 December 2022 / Accepted: 20 December 2022 / Published: 22 December 2022
(This article belongs to the Special Issue Tribology and Mechanical Transmissions)
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Abstract

This study investigates how operating conditions such as ambient temperature and sealing pressure affect sealing performance for a typical U-cup seal. The developed analysis method combines inverse fluid lubrication (IHL) theory and the Greenwood–Williamson contact model (G–W model), and the effect of increasing surface temperature due to frictional heat generated between two surfaces is considered. Commercial FE software (ABAQUS) was used to simulate the interference fit analysis of rubber seals and the pressurized process. Through this model, the film distribution, working fluid leakage, and friction force in the sealing area were discussed according to the operating parameters, such as sealed pressure, rod velocity, and ambient temperature. The simulation results demonstrate the effect of fluid viscosity on oil film formation (which varies with ambient temperature), the effect of increasing the surface temperature, and the effect of surface roughness at a very small film thickness.
Keywords: friction; inverse hydrodynamic lubrication; leakage; mixed lubrication; reciprocating seal friction; inverse hydrodynamic lubrication; leakage; mixed lubrication; reciprocating seal

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MDPI and ACS Style

Kim, B.; Suh, J.; Lee, B.; Chun, Y.; Hong, G.; Park, J.; Yu, Y. Numerical Analysis via Mixed Inverse Hydrodynamic Lubrication Theory of Reciprocating Rubber Seal Considering the Friction Thermal Effect. Appl. Sci. 2023, 13, 153. https://doi.org/10.3390/app13010153

AMA Style

Kim B, Suh J, Lee B, Chun Y, Hong G, Park J, Yu Y. Numerical Analysis via Mixed Inverse Hydrodynamic Lubrication Theory of Reciprocating Rubber Seal Considering the Friction Thermal Effect. Applied Sciences. 2023; 13(1):153. https://doi.org/10.3390/app13010153

Chicago/Turabian Style

Kim, Bongjun, Junho Suh, Bora Lee, Yondo Chun, Geuntae Hong, Jungjoon Park, and Yonghun Yu. 2023. "Numerical Analysis via Mixed Inverse Hydrodynamic Lubrication Theory of Reciprocating Rubber Seal Considering the Friction Thermal Effect" Applied Sciences 13, no. 1: 153. https://doi.org/10.3390/app13010153

APA Style

Kim, B., Suh, J., Lee, B., Chun, Y., Hong, G., Park, J., & Yu, Y. (2023). Numerical Analysis via Mixed Inverse Hydrodynamic Lubrication Theory of Reciprocating Rubber Seal Considering the Friction Thermal Effect. Applied Sciences, 13(1), 153. https://doi.org/10.3390/app13010153

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