Adiabatic effectiveness measurements for a baseline shaped film cooling hole

RP Schroeder, KA Thole - … Expo: Power for …, 2014 - asmedigitalcollection.asme.org
Film cooling on airfoils is a crucial cooling method as the gas turbine industry seeks higher
turbine inlet temperatures. Shaped film cooling holes are widely used in many designs given …

Effect of geometry variations on the cooling performance of fan-shaped cooling holes

C Saumweber, A Schulz - 2012 - asmedigitalcollection.asme.org
The flow conditions at both the cooling hole exit as well as the cooling hole entrance affect
the cooling performance downstream of cylindrical and fan-shaped holes in a very different …

Effect of hole geometry on the thermal performance of fan-shaped film cooling holes

M Gritsch, W Colban, H Schär, K Döbbeling - 2005 - asmedigitalcollection.asme.org
This study evaluates the impact of typical cooling hole shape variations on the thermal
performance of fan-shaped film holes. A comprehensive set of experimental test cases …

Optimization of a fan-shaped hole to improve film cooling performance by RBF neural network and genetic algorithm

C Wang, J Zhang, J Zhou - Aerospace Science and Technology, 2016 - Elsevier
To improve the cooling performance, shape optimization of a fan-shaped film cooling hole
was carried out. Three geometric parameters, including incline angle, lateral expansion …

Heat Transfer Technology for Internal Passages of Air‐Cooled Blades for Heavy‐Duty Gas Turbines

B Weigand, K Semmler… - Annals of the New York …, 2001 - Wiley Online Library
The present review paper, although far from being complete, aims to give an overview about
the present state of the art in the field of heat transfer technology for internal cooling of gas …

Study on the film cooling effectiveness of shaped holes in the suction surface gill region of the turbine blade

F Zhang, H Song, C Liu, H Liu, L Ye, T Zhou… - International Journal of …, 2023 - Elsevier
In the suction surface gill region of the turbine blade, three representative regions with a
favorable pressure gradient (FPG), adverse pressure gradient (APG), and pressure gradient …

Film-Cooling effectiveness of combined hole slot geometries on a turbine rotor blade surface

JJ Hu, BT An - Applied Thermal Engineering, 2024 - Elsevier
A film cooling experiment was conducted for a novel hole structure, namely, the combined
hole slot. The basic geometric shape of the combined hole slot is connecting adjacent …

Heat transfer–a review of 2000 literature

RJ Goldstein, ERG Eckert, WE Ibele… - International Journal of …, 2002 - Elsevier
Heat transfer continues to be a major field of interest to engineering and scientific
researchers, as well as designers, developers, and manufacturers. The wealth of …

Effect of geometry variations on the cooling performance of fan-shaped cooling holes

C Saumweber, A Schulz - … Expo: Power for …, 2008 - asmedigitalcollection.asme.org
The flow conditions at both, the cooling hole exit as well as the cooling hole entrance affect
in a very different way the cooling performance downstream of cylindrical and fan-shaped …

Effects of wall curvature and streamwise pressure gradient on film cooling effectiveness

Y Qin, P Chen, J Ren, H Jiang - Applied Thermal Engineering, 2016 - Elsevier
As the load of a modern turbine is increasing, the turning angle and the flow acceleration is
increasing. The effects of streamwise pressure gradient (SPG) and wall curvature on film …