Inlet preswirl dependence research on three different labyrinth seals
X Zhang, Y Jiao, X Qu, Z Zhao, G Huo, K Huang - Tribology International, 2022 - Elsevier
In this paper, an angular velocity is proposed to calculate the air inlet preswirl condition. The
potential influences on rotordynamic and leakage performance of inlet preswirl ratios …
potential influences on rotordynamic and leakage performance of inlet preswirl ratios …
[HTML][HTML] Experimental and CFD analysis of static and dynamic rotor stabilities in three-annular seals
A Zahorulko, O Pozovnyi, G Peczkis - Tribology International, 2023 - Elsevier
At the sealing pressures of 1.25, 2.5, 5, 7.5 or 10 bar and at a rotation speed of zero to 8000
rpm, using experiment and CFD simulation, the static and dynamic stabilities of two three …
rpm, using experiment and CFD simulation, the static and dynamic stabilities of two three …
[HTML][HTML] A transient bulk flow model with circular whirl motion for rotordynamic coefficients of annular seals
XIA Peng, LIU Zhansheng, YU Xiangyu… - 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 …
Computational analysis for scallop seals with sickle grooves, part II: Rotordynamic characteristics
AV Zahorulko, YB Lee - Mechanical Systems and Signal Processing, 2021 - Elsevier
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 …
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 …
An optimum design approach for textured thrust bearing with elliptical-shape dimples using computational fluid dynamics and design of experiments including …
G Fu, A Untaroiu - Journal of Engineering for Gas …, 2017 - asmedigitalcollection.asme.org
Textured thrust bearings are capable of providing higher load capacity and lower friction
torque compared to nontextured bearings. However, most previous optimization efforts for …
torque compared to nontextured bearings. However, most previous optimization efforts for …
A numerical study on the influence of hole depth on the static and dynamic performance of hole-pattern seals
PJ Migliorini, A Untaroiu… - Journal of …, 2015 - asmedigitalcollection.asme.org
Annular seals serve an important role in the dynamics of turbomachinery by reducing
leakage of a process fluid while also contributing potentially destabilizing forces to the rotor …
leakage of a process fluid while also contributing potentially destabilizing forces to the rotor …
Hole-pattern seals performance evaluation using computational fluid dynamics and design of experiment techniques
A Untaroiu, C Liu, PJ Migliorini… - … for Gas Turbines …, 2014 - asmedigitalcollection.asme.org
A main goal of noncontacting mechanical seals is to provide minimal leakage during
operation. This may be achieved by specifying a small clearance between the mating faces …
operation. This may be achieved by specifying a small clearance between the mating faces …
Study on the effect of thermal deformation on the liquid seal of high-temperature molten salt pump in molten salt reactor
XC Shen, Y Fu, JY Zhang - Nuclear Science and Techniques, 2023 - Springer
The high-temperature molten salt pump is the core equipment in a molten salt reactor that
drives the flow of the molten salt coolant. Rotor stability is key to the continuous and reliable …
drives the flow of the molten salt coolant. Rotor stability is key to the continuous and reliable …
Circumferentially grooved seal flow field analysis based on effective film thickness to improve bulk flow models
N Gibbons, C Watson-Kassa… - … of Engineering for …, 2022 - asmedigitalcollection.asme.org
Bulk flow methods for circumferentially grooved seals use simplified physics models to
predict leakage and rotordynamic coefficients efficiently, but uncertainty in empirical …
predict leakage and rotordynamic coefficients efficiently, but uncertainty in empirical …