Calculation and verification of flow field in supercritical carbon dioxide dry gas seal based on turbulent adiabatic flow model
Sign Up to like & getrecommendations! Published in 2022 at "Tribology International"
DOI: 10.1016/j.triboint.2021.107275
Abstract: Abstract The current work investigates the influence of turbulence effect and different flow processes on Supercritical-CO2 (S-CO2) dry gas seal performance by theoretical calculation and experimental testing. Variations in both rotational speed and pressure can… read more here.
Keywords: gas seal; gas; gas film; adiabatic flow ... See more keywords
Numerical Study on Rotor Cooling of Turbine in Supercritical Carbon Dioxide Cycle
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DOI: 10.1021/acsomega.2c05531
Abstract: The supercritical carbon dioxide cycle is a Brayton cycle with great application prospects. As a key equipment in this cycle, the turbine machinery usually adopts a dry gas seal as the sealing method between the… read more here.
Keywords: gas; gas seal; seal; dry gas ... See more keywords
Frictional Vibration Performances of Dry Gas Seal Rings with DLC Film Textured Surface via Chaos Theory
Sign Up to like & getrecommendations! Published in 2021 at "Tribology Transactions"
DOI: 10.1080/10402004.2021.1898708
Abstract: Abstract In this study, the frictional properties of dry gas seal rings with a diamond-like carbon (DLC) film textured surface were investigated using a vertical universal friction and wear tester. The ensemble empirical mode decomposition… read more here.
Keywords: seal rings; gas seal; vibration; friction ... See more keywords
Steady performance and dynamic characteristics of a superellipse groove dry gas seal at a high-speed condition
Sign Up to like & getrecommendations! Published in 2020 at "Industrial Lubrication and Tribology"
DOI: 10.1108/ilt-05-2019-0171
Abstract: The purpose of this paper is to enhance film stiffness and control seal leakage of conventional spiral groove dry gas seal (S-DGS) at a high-speed condition by introducing a new type superellipse surface groove.,The steady-state… read more here.
Keywords: gas seal; speed condition; groove dry; dry gas ... See more keywords
Experimental and theoretical investigations on dry gas seal transient performance and its disparity with steady performance
Sign Up to like & getrecommendations! Published in 2022 at "Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology"
DOI: 10.1177/13506501211064079
Abstract: Through high-speed dry gas seal test rig, the real-time film thickness and leakage rate of spiral grooved dry gas seal have been monitored under different closing forces which are changed by adjusting spring compression. Under… read more here.
Keywords: gas seal; performance; dry gas; leakage rate ... See more keywords
Numerical Evaluation of Rotordynamic Coefficients for Compliant Foil Gas Seal
Sign Up to like & getrecommendations! Published in 2020 at "Applied Sciences"
DOI: 10.3390/app10113828
Abstract: Compliant foil gas seal is one of the advanced cylindrical gas seal technologies and can be commonly used in the secondary flow system of an aero-engine. It can enhance the dynamic stability of the aero-engine… read more here.
Keywords: foil gas; gas seal; gas; compliant foil ... See more keywords