Labyrinth seals are mechanical devices that reduce the leakage between moving
components of rotating machines. They are crucial for determining the performance of these …

A series of numerical simulations were performed to study the discharge coefficient based
on the geometric parameters of a stepped labyrinth seal that sealed the secondary flow path …

Turbomachinery seals are engineered to maintain efficiency and power delivery by
minimizing leakage. Seals also appreciably affect the system rotordynamic behavior due to …

Large eddy simulation (LES) and Reynolds averaged Navier-Stokes simulation (RANS) of
leakage flow in straight-through and stepped labyrinth seals were performed in order to …

Shroud cavities in aero engines are typically formed by a labyrinth seal between the rotating
turbine shroud and the stationary casing wall. To mitigate rub-in and reduce weight, the …

This paper presents those flow parameters at which coherent structures appear in the blade
tip cavities of shrouded turbine blades. To the authors' knowledge, this is reported for the first …

The present study aims to analyze the rotating instabilities that may occur inside shroud
cavities above rotors of low-pressure turbine configurations. Unsteady simulations have …

Labyrinth seals are used in the clearance between rotor and stator such as steam turbines
and centrifugal compressors in order to suppress loss of leakage. The leakage flow is …

The correct prediction of labyrinth seal flows for the aerodynamic, thermodynamic,
aeroacoustic, and aeroelastic design of turbomachinery is of utmost importance for industrial …

In low-pressure turbines, an attached tip shroud is often used to mitigate rotor tip leakage.
The interaction between tip shroud's bypass flow and the primary flow leads to mixing losses …