Comprehensive evaluations on performance and energy consumption of pre-swirl rotor–stator system in gas turbine engines
A Lin, G Liu, X Wang, Q Feng - Energy Conversion and Management, 2021 - Elsevier
Pre-swirl system has an indispensable role to supply enough cooling air with appropriate
pressure, temperature, and mass flow rate to improve the life and the efficiency of turbine …
pressure, temperature, and mass flow rate to improve the life and the efficiency of turbine …
Aerodynamic and thermodynamic analysis of an aero-engine pre-swirl system based on structure design and performance improvement
W Gong, G Liu, J Wang, F Wang, A Lin… - Aerospace Science and …, 2022 - Elsevier
As a vital part of the pre-swirl air supply system, the rotating receiver hole will affect the
cooling air quality supplied to turbine rotor blades of an aero-engine. It is concerned about …
cooling air quality supplied to turbine rotor blades of an aero-engine. It is concerned about …
Flow and performance of the disk cavity of a marine gas turbine at varying nozzle pressure and low rotation speeds: a numerical investigation
B Hu, Y Yao, M Wang, C Wang, Y Liu - Machines, 2023 - mdpi.com
In marine gas turbines, variations in rotational speed occur all the time. To ensure adequate
cooling effects on the turbine blades, the valves need to be adjusted to change the pressure …
cooling effects on the turbine blades, the valves need to be adjusted to change the pressure …
Experimental and CFD analysis on the pressure ratio and entropy increment in a cover-plate pre-swirl system of gas turbine engine
G Liu, W Gong, H Wu, A Lin - Engineering Applications of …, 2021 - Taylor & Francis
The pre-swirl system can offer cooling air to improve the extreme thermal shock to the
rotating turbine blades in a gas turbine engine. This study focuses on theoretical …
rotating turbine blades in a gas turbine engine. This study focuses on theoretical …
[HTML][HTML] Theoretical and experimental evaluation of temperature drop and power consumption in a cover-plate pre-swirl system for gas turbine cooling
G Liu, W Gong, H Wu, L Pang, A Lin - Case Studies in Thermal Engineering, 2021 - Elsevier
The pre-swirl system has the ability to decrease the air supply temperature so as to improve
the cooling performance and the operating life for turbine rotating blade. In this paper, a test …
the cooling performance and the operating life for turbine rotating blade. In this paper, a test …
Influence of operating condition and geometry on the oil film thickness in aeroengine bearing chambers
P Gorse, S Busam, K Dullenkopf - 2006 - asmedigitalcollection.asme.org
Increasing the efficiency of modern jet engines does not only imply to the mainstream but
also to the secondary air and oil system. Within the oil system the bearing chamber is one of …
also to the secondary air and oil system. Within the oil system the bearing chamber is one of …
Design and performance analysis of a vane shaped rotating receiver hole in high radius pre-swirl systems for gas turbine cooling
Y Liu, B Yue, X Kong, H Chen, H Lu - Aerospace Science and Technology, 2021 - Elsevier
In a pre-swirl cooling air delivery system for gas turbine, the function of rotating receiver hole
is to receive the highly swirled flow from pre-swirl nozzle and direct it to the turbine blade …
is to receive the highly swirled flow from pre-swirl nozzle and direct it to the turbine blade …
Theoretical and experimental evaluations of pre-swirl rotor-stator system with inner seal bypass configuration for turbine performance improvement
A Lin, G Liu, P Li, Z Zhang, Q Feng - Energy, 2022 - Elsevier
Pre-swirl system has strong potential to improve the cooling performance and service life of
high-pressure turbine rotor blades in gas turbine engines. This study is to evaluate and …
high-pressure turbine rotor blades in gas turbine engines. This study is to evaluate and …
[HTML][HTML] Experimental study on the outlet flow field and cooling performance of vane-shaped pre-swirl nozzles in gas turbine engines
Y Liu, B Lu, X Kong, H Chen - Case Studies in Thermal Engineering, 2023 - Elsevier
The pre-swirl nozzles are a crucial part of gas turbine's cooling pre-swirl system, because
they directly affect the cooling performance of the system and the life of the turbine blades …
they directly affect the cooling performance of the system and the life of the turbine blades …
Computational fluid dynamics for turbomachinery internal air systems
Considerable progress in development and application of computational fluid dynamics
(CFD) for aeroengine internal flow systems has been made in recent years. CFD is regularly …
(CFD) for aeroengine internal flow systems has been made in recent years. CFD is regularly …