Leakage effects due to bristle deflection and wear in hybrid brush seal of high-pressure steam turbine
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DOI: 10.1016/j.triboint.2020.106325
Abstract: Abstract This study investigated the effect of clearance between a rotor and hybrid brush seal for leakage flow in terms of the axial deflection and wear. The leakage flow was experimentally measured according to pressure… read more here.
Keywords: leakage; brush seal; hybrid brush; deflection ... See more keywords
A combined theoretical and experimental study of wear model of brush seal
Sign Up to like & getrecommendations! Published in 2021 at "Tribology International"
DOI: 10.1016/j.triboint.2020.106696
Abstract: Abstract In this paper, a differential equation for wear volume of brush seal has been established and the theoretical model of wear volume has been obtained. Wear volume of a brush seal was a function… read more here.
Keywords: brush; wear volume; brush seal; combined theoretical ... See more keywords
Stability and bifurcations of complex vibrations in a nonlinear brush-seal rotor system.
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DOI: 10.1063/5.0134907
Abstract: A brush seal has the advantages of adapting to different vibration conditions and increasing the stability of the nonlinear rotor system. In this research, the stability and bifurcations of complex vibrations in a brush-seal rotor… read more here.
Keywords: brush seal; rotor system; stability bifurcations;
Using a three-dimensional tube bundle model to investigate the leakage flow characteristics of the rotating brush seal
Sign Up to like & getrecommendations! Published in 2022 at "Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy"
DOI: 10.1177/09576509221089397
Abstract: In comparison to the traditional brush seal, the rotating brush seal installed on a rotating shaft eliminates the influence of friction heat effects and improves the operational stability of the rotating shaft system. Relevant investigations… read more here.
Keywords: brush seal; rotating brush; pressure ratio; seal ... See more keywords
Brush seal design and secondary air system modification of a heavy-duty gas turbine to improve the output power
Sign Up to like & getrecommendations! Published in 2022 at "Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy"
DOI: 10.1177/09576509221096923
Abstract: The overall performance of heavy-duty gas turbines is strongly affected by the mass flow distribution of the secondary air system. Reducing the mass flow of the secondary air is a remarkable method to improve the… read more here.
Keywords: gas; turbine; air; flow ... See more keywords
Wear and Leakage Behaviors of Brush Seal Considering Eccentricity and Radial Deformation
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DOI: 10.3390/en16083394
Abstract: Brush seals can improve engine performance by reducing leakage. Wear models of brush seals provide methods to predict wear and leakage. However, rotor eccentricity, radial deformation, and hysteresis effect of bristles are not considered systematically… read more here.
Keywords: deformation; eccentricity radial; radial deformation; brush seal ... See more keywords