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[HTML][HTML] A transient bulk flow model with circular whirl motion for rotordynamic coefficients of annular seals
XIA Peng, LIU Zhansheng, YU **angyu… - Chinese Journal of …, 2018 - Elsevier
Bulk flow model with perturbation simplification has been used to calculate rotordynamic
coefficients in annular seals which have significant influences on the dynamic behavior of …
coefficients in annular seals which have significant influences on the dynamic behavior of …
Gas labyrinth seals: On the effect of clearance and operating conditions on wall friction factors–A CFD investigation
This paper presents a computational fluid dynamic (CFD) investigation quantifying the
effects of labyrinth seal geometry and operating conditions on the rotor and stator …
effects of labyrinth seal geometry and operating conditions on the rotor and stator …
Computational analysis for scallop seals with sickle grooves, part II: Rotordynamic characteristics
This paper represents the results of calculation of rotordynamics and leakage rate
characteristics of scallop seals with sickle grooves (SSSG) depending on seal geometry …
characteristics of scallop seals with sickle grooves (SSSG) depending on seal geometry …
Comparisons of rotordynamic characteristics predictions for annular gas seals using the transient computational fluid dynamic method based on different single …
Z Li, J Li, Z Feng - Journal of Tribology, 2016 - asmedigitalcollection.asme.org
The three-dimensional (3D) transient computational fluid dynamic (CFD) method was
proposed to predict rotordynamic coefficients for annular gas seals. This transient CFD …
proposed to predict rotordynamic coefficients for annular gas seals. This transient CFD …
A computational fluid dynamics modified bulk flow analysis for circumferentially shallow grooved liquid seals
In straight-through centrifugal pumps, a grooved seal acts as a balance piston to equilibrate
the full pressure rise across the pump. As the groove pattern breaks the development of fluid …
the full pressure rise across the pump. As the groove pattern breaks the development of fluid …
Improved vibration performance of a nonlinear rotor-seal system with modified labyrinth seals by an interpolating database method
Traditional studies for seal evaluation primarily focused on rotordynamic coefficients. We
previously introduced two innovative labyrinth seals, the diaphragm labyrinth seal (DLS) and …
previously introduced two innovative labyrinth seals, the diaphragm labyrinth seal (DLS) and …
Numerical modeling of fluid-induced rotordynamic forces in seals with large aspect ratios
Traditional annular seal models are based on bulk flow theory. While these methods are
computationally efficient and can predict dynamic properties fairly well for short seals, they …
computationally efficient and can predict dynamic properties fairly well for short seals, they …
The effects of fluid preswirl and swirl brakes design on the performance of labyrinth seals
In noncontact annular labyrinth seals used in turbomachinery, fluid prerotation in the
direction of shaft rotation effectively increases fluid velocity in the circumferential direction …
direction of shaft rotation effectively increases fluid velocity in the circumferential direction …
Transient investigations of teeth on rotor and teeth on stator modified labyrinth seals
Abstract Teeth-on-rotor (TOR) and teeth-on-stator (TOS) layouts are compared in this paper
to explore better arrangement for different labyrinth seals. The diaphragm labyrinth seal …
to explore better arrangement for different labyrinth seals. The diaphragm labyrinth seal …
Rotordynamic characterization of rotating labyrinth gas turbine seals with radial growth: combined centrifugal and thermal effects
In this article, a generic framework, which takes into account of both the centrifugal and
thermal effects, is introduced towards rotordynamic characterization of rotating labyrinth gas …
thermal effects, is introduced towards rotordynamic characterization of rotating labyrinth gas …