Turbine blade platform film cooling with typical stator-rotor purge flow and discrete-hole film cooling
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 …
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
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 …
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 …
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 …
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 …
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
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 …
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 …
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 …
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 …
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
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 …
cooled turbine blade platform within a linear cascade has been completed. The Reynolds …