A Numerical Study on Labyrinth Screw Pump (LSP) Performance under Viscous Fluid Flow

W Ke, H Zeng, Z Wang, H Yu, Y Liu, D Zheng, J Zhu… - Energies, 2023 - mdpi.com
In this study, fluid viscosity effects on LSP performance in terms of boosting pressure were
numerically investigated. A water–glycerin mixture with different concentrations …

[HTML][HTML] CFD-Based Investigation of the Operation Process of Radial Labyrinth Machinery Under Different Geometrical Configurations

P Szulc, J Skrzypacz - Energies, 2024 - mdpi.com
This study explores the performance and flow characteristics of radial labyrinth pumps
(RLPs) under various geometrical configurations and operating conditions. Experimental …

A comparison of static and rotordynamic characteristics for three types of impeller front seals in a liquid oxygen turbopump

Z Jin, K Mao, Z Li, J Li - Journal of Engineering for …, 2023 - asmedigitalcollection.asme.org
Annular seals are widely used to minimize the leakage, and improve efficiency and
rotordynamic stability in turbomachinery. In a liquid oxygen turbopump, the operating …

Numerical investigations on leakage performance and flow mechanism of spiral groove seal for shrouded blade in axial turbine

J Xiong, Y Zhu, X Wang, H Chen… - Proceedings of the …, 2022 - journals.sagepub.com
Flow field of shroud leakage flow for a single-stage axial turbine has been investigated in
this article. The spiral groove seal (SGS) is adopted for shrouded rotor blade to reduce tip …