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 …

Aero-engine pre-swirl system is an essential sub-system in favor of turbine rotor blade
cooling and turbine thermal efficient enhancement. This study proposed a novel problem …

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 …

The sealing flow will inevitably affect the cooling airflow quality in a second air system of an
aero-engine. In this study, theoretical derivation and numerical simulation were conducted to …

The discharge behavior of a “direct-transfer” preswirl system has been investigated
experimentally. The influences of the pressure ratio and the swirl ratio as well as the …

In a “direct-transfer” pre-swirl supply system, cooling air flows axially across the wheel-space
from stationary pre-swirl nozzles to receiver holes located at a similar radius in the rotating …

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 …

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 …

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 …

Rotating‐disc systems are used to model the flow and heat transfer that occurs inside the
cooling‐air systems of gas‐turbine engines. In this paper, recent computational and …