Research advances on mist assisted impingement and film cooling of turbine blades

P Biswal, C Balaji - International Journal of Heat and Mass Transfer, 2024 - Elsevier
Impingement and film cooling techniques are emerging areas in the turbine component
cooling technology. Vast amount of information on this subject is available in the literature …

Numerical analysis of hot steam injection through an embedded channel inside a 3D steam turbine blade

M Ghodrati, E Lakzian, A Kafaei, WM Yan… - Applied Thermal …, 2023 - Elsevier
The steam expands rapidly and releases its latent heat at the last stages of steam turbines,
forming a large number of tiny liquid droplets. This non-adiabatic process results in a …

A novel concept for a rib turbulator for optimizing the cooling performance in a square channel

S Tamang, E Ali, H Park - International Journal of Heat and Mass Transfer, 2024 - Elsevier
In gas turbine operations, realizing the appropriate cooling of blades and vanes is crucial for
ensuring long-term durability and high thermal efficiency. Internal convective cooling is …

Multi-objective design of laminated cooling configuration applied in gas turbine based on fuzzy grey relational analysis

R Yao, T Liu, X Huang, W Wu, J Wang, J Pu - International Journal of Heat …, 2023 - Elsevier
Laminated cooling is a compound system consisting of different cooling units that can
provide effective protection to the hot components in next generation gas turbines. In the …

Numerical investigation of truncated-root rib on heat transfer performance of internal cooling turbine blades

CT Dinh, TM Nguyen, TD Vu, SG Park, QH Nguyen - Physics of Fluids, 2021 - pubs.aip.org
Due to the great heat obtained from the combustion chamber, the turbine blades of a jet
engine always operate at high temperatures. Therefore, to minimize the temperature of the …

Numerical study on the influence of coolant temperature, pressure, and thermal barrier coating thickness on heat transfer in high-pressure blades

DT Vo, TD Mai, B Kim, J Ryu - International Journal of Heat and Mass …, 2022 - Elsevier
Several studies have focused on investigating the heat transfer in blades; however, these
studies have primarily adopted numerical approaches, and the heat transfer in an actual …

Simultaneous effects of hot steam injection and surface heating through an embedded channel of steam turbine cascade

M Ghodrati, E Lakzian, HD Kim - International Journal of Heat and Mass …, 2023 - Elsevier
One of the challenges of turbines in the last stages is the condensation of the water droplets
of the steam flow; resisting against the droplets condensation could be one of the negative …

Multi-objective optimization of transpiration cooling for high pressure turbine vane

W Wang, G Tao, D Ke, Z Ruan, J Liu, J Luo… - Applied Thermal …, 2024 - Elsevier
Transpiration cooling is a promising cooling measure for high-temperature components in
gas turbines. Although the flow and heat transfer characteristics of transpiration cooling have …

Impingement/film cooling of C3X vane with double-wall cooling structure using air/mist mixture

R Zhang, C Luo, L Zhou, L Li, H Zhang, X Du - International Journal of Heat …, 2022 - Elsevier
This paper establishes a comprehensive vane model which includes a double-wall cooling
structure, with a C3X vane as the prototype and the air added with droplets as the coolant …

[HTML][HTML] Numerical investigation of crack initiation in high-pressure gas turbine blade subjected to thermal-fluid-mechanical low-cycle fatigue

DT Vo, TD Mai, B Kim, JS Jung, J Ryu - … Journal of Heat and Mass Transfer, 2023 - Elsevier
A thermo-fluid-structural analysis procedure was proposed in this study to investigate the
lifespan of a realistic cooling gas turbine blade. The temperature and pressure data …