Turbine blade platform film cooling with typical stator-rotor purge flow and discrete-hole film cooling

Z Gao, D Narzary, JC Han - 2009 - asmedigitalcollection.asme.org
This paper is focused on the effect of film-hole configurations on platform film cooling. The
platform is cooled by purge flow from a simulated stator-rotor seal combined with discrete …

Turbine vane endwall film cooling with slashface leakage and discrete hole configuration

NHK Chowdhury, CC Shiau… - Journal of …, 2017 - asmedigitalcollection.asme.org
Turbine vanes are typically assembled as a section containing single or double airfoil units
in an annular pattern. First stage guide vane assembly results in two common mating …

Film-cooling effectiveness on a rotating blade platform

A Suryanarayanan, SP Mhetras, MT Schobeiri… - 2009 - asmedigitalcollection.asme.org
Film cooling effectiveness measurements under rotation were performed on the rotor blade
platform using a pressure sensitive paint (PSP) technique. The present study examines, in …

A comparison of cylindrical and fan-shaped film-cooling holes on a vane endwall at low and high freestream turbulence levels

W Colban, KA Thole, M Haendler - 2008 - asmedigitalcollection.asme.org
Fan-shaped film-cooling holes have been shown to provide superior cooling performance to
cylindrical holes along flat plates and turbine airfoils over a large range of different …

Influence of different film cooling arrangements on endwall cooling

X Li, J Ren, H Jiang - International Journal of Heat and Mass Transfer, 2016 - Elsevier
The complex large scale coherent vortex systems which originate and develop through the
endwall passage have strong interaction with the film cooling flows near the endwall. Two …

Film cooling patterns over an aircraft engine turbine endwall with slot leakage and discrete hole injection

X Yang, Q Zhao, Z Liu, Z Liu, Z Feng - … Journal of Heat and Mass Transfer, 2021 - Elsevier
Detailed characteristics of film cooling from discrete injection and purge flow, and associated
coolant injection patterns are presented over a turbine endwall for wide engine …

Effect of axial turbine non-axisymmetric endwall contouring on film cooling at different locations

P Chen, L Wang, X Li, J Ren, H Jiang - … Journal of Heat and Mass Transfer, 2020 - Elsevier
Non-axisymmetric endwall contouring in axial turbines are becoming popular to improve the
passage aerodynamic performance or the endwall heat transfer characteristics. Meanwhile …

Influence of hole shape on the performance of a turbine vane endwall film-cooling scheme

W Colban, K Thole - International journal of heat and fluid flow, 2007 - Elsevier
Rising combustor exit temperatures in gas turbine engines necessitate active cooling for the
downstream turbine section to avoid thermal failure. Film-cooling has long been an integral …

Film cooling effectiveness distribution of cylindrical hole injections at different locations on a vane endwall

X Li, J Ren, H Jiang - International Journal of Heat and Mass Transfer, 2015 - Elsevier
The secondary flow vortices make the flow field near the endwall highly three-dimensional.
The jet-to-secondary flow interaction may help to make an efficient film cooling arrangement …

Film cooling effectiveness distributions on a turbine blade cascade platform with stator-rotor purge and discrete film hole flows

LM Wright, SA Blake, JC Han - 2008 - asmedigitalcollection.asme.org
An experimental investigation to obtain detailed film cooling effectiveness distributions on a
cooled turbine blade platform within a linear cascade has been completed. The Reynolds …