Investigation on hybrid thermal features of aero-engines from combustor to turbine

T Wang, Y Xuan, X Han - International Journal of Heat and Mass Transfer, 2023 - Elsevier
The thermal interplay between the combustor and the turbine exerts remarkable effects on
the performance of an aero-engine. The non-uniform distributions of the temperature and …

Unsteady Flows and Component Interaction in Turbomachinery

S Salvadori, M Insinna, F Martelli - International Journal of …, 2024 - mdpi.com
Unsteady component interaction represents a crucial topic in turbomachinery design and
analysis. Combustor/turbine interaction is one of the most widely studied topics both using …

Numerical study on unsteady film cooling performance of turbine rotor considering influences of inlet non-uniformities and upstream coolant

Z Wang, Z Wang, W Zhang, Z Feng - Aerospace Science and Technology, 2021 - Elsevier
High-pressure turbine (HPT) rotor blades work in a harsh environment with high temperature
and rotational speed. Affected by blade row interaction and inlet non-uniformities, the rotor …

Online analytics framework of sensor-driven prognosis and opportunistic maintenance for mass customization

T Xia, X Fang, N Gebraeel, L Xi… - Journal of …, 2019 - asmedigitalcollection.asme.org
In mass customization, a manufacturing line is required to be kept in reliable operation to
handle product demand volatility and potential machine degradations. Recent advances in …

Hybrid RANS-LES modeling of the aerothermal field in an annular hot streak generator for the study of combustor–turbine interaction

A Andreini, T Bacci, M Insinna… - … for Gas Turbines …, 2017 - asmedigitalcollection.asme.org
The adoption of lean-burn technology in modern aero-engines influences the already critical
aerothermal conditions at turbine entry, where the absence of dilution holes preserves the …

Heat transfer analyses of film-cooled HP turbine vane considering effects of swirl and hot streak

Z Wang, D Wang, Z Wang, Z Feng - Applied Thermal Engineering, 2018 - Elsevier
Conjugate heat transfer (CHT) analyses were conducted on the film-cooled first stage vane
of GE-E 3 engine to reveal the influences of inlet swirl and hot streak (HS) on vane film …

[HTML][HTML] Investigation on stall characteristics of centrifugal pump with guide vanes

C Ye, D An, W Huang, Y Heng, Y Zheng - Water, 2023 - mdpi.com
Stall usually occurs in the hump area of the head curve, which will block the channel and
aggravate the pump vibration. For centrifugal pumps with guide vanes usually have a …

[HTML][HTML] Heat transfer characteristics of a high-pressure turbine under combined distorted hot-streak and residual swirl: an unsteady computational study

Z Mansouri, R Jefferson-Loveday - International Journal of Heat and Mass …, 2022 - Elsevier
In new generation aero-engines, lean-burn combustors are equipped with swirl injectors in
order to reduce pollutant emissions. At the exit of these combustors, the flow is dominated by …

[HTML][HTML] Effects of swirl and hot streak on thermal performances of a high-pressure turbine

S Zhang, D Shuiting, LIU Peng, QIU Tian - Chinese Journal of Aeronautics, 2023 - Elsevier
Advanced civil aero-engines tend to adopt lean burn combustors to meet emission
requirements. The exit of a lean burn combustor experiences highly non-uniformities in both …

The effect of mismatching between combustor and HP vanes on the aerodynamics and heat load in a 1-1/2 stages turbine

Y Li, X Su, X Yuan - Aerospace Science and Technology, 2019 - Elsevier
In modern aero-engine and gas turbine, the hot streak and residual swirl caused by the
combustor have strong impact on both aero and thermal performances of the high …