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Influence of Turbulent Cavitating Flow on Performance Characteristics of Spiral Groove Liquid Film Seal by Yunlei Wang; Jiu Hui Wu; Lushuai Xu is a Engineering article available to read on EtoBox.
What is Influence of Turbulent Cavitating Flow on Performance Characteristics of Spiral Groove Liquid Film Seal about?
Spiral groove liquid film seal is expected to be the prime candidate for application to high-speed liquid-oxygen turbopumps, and the lubricant flow between the sealing faces is turbulent due to the liquid-oxygen properties and the working conditions. Based on the Ng-Pan model and mass-conserving algorithm, the modified dynamic Reynolds equation considering flow regime and cavitation is obtained, which is solved by the finite-difference method. The effects of flow regime and cavitation on the performance of spiral groove liquid film seal are analyzed. The results indicate that the balanced film thickness and opening force increase due to the turbulent flow. The cavitation ratio increases in the laminar-turbulent transition region, which reduces the opening force and liquid film stiffness.
Who reads Influence of Turbulent Cavitating Flow on Performance Characteristics of Spiral Groove Liquid Film Seal?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Yunlei Wang; Jiu Hui Wu; Lushuai Xu
- Publisher
- SAGE Publications
- Published
- 2021
- Language
- EN
- Field
- Engineering (Physical Sciences)