Secondary flows in axial turbines—a review

LS Langston - Annals of the New York Academy of Sciences, 2001 - Wiley Online Library
An important problem that arises in the design and the performance of axial flow turbines is
the understanding, analysis, prediction and control of secondary flows. Sieverding 1 has …

PADRAM: Parametric design and rapid meshing system for turbomachinery optimisation

S Shahpar, L Lapworth - … Expo: Power for …, 2003 - asmedigitalcollection.asme.org
A parametric design system suitable for inclusion in an automatic optimization process is
presented. The system makes use of a multi-block structured grid generation system …

Sensor-based build condition monitoring in laser powder bed fusion additive manufacturing process using a spectral graph theoretic approach

M Montazeri, P Rao - Journal of Manufacturing …, 2018 - asmedigitalcollection.asme.org
The goal of this work is to monitor the laser powder bed fusion (LPBF) process using an
array of sensors so that a record may be made of those temporal and spatial build locations …

Turbine endwall aerodynamics and heat transfer

TW Simon, JD Piggush - Journal of propulsion and power, 2006 - arc.aiaa.org
This review addresses recent literature on turbine passage aerodynamics and endwall heat
transfer; articles that describe the endwall flow and cooling problems are summarized …

Improving the efficiency of the trent 500 HP turbine using non-axisymmetric end walls: part II—experimental validation

MG Rose, NW Harvey… - … Expo: Power for …, 2001 - asmedigitalcollection.asme.org
Part I of this paper described how the HP turbine model rig of the Rolls-Royce Trent 500 was
redesigned by applying non-axisymmetric end walls to both the vane and blade passages …

Improving turbine efficiency using non-axisymmetric end walls: Validation in the multi-row environment and with low aspect ratio blading

NW Harvey, G Brennan… - … expo: power for …, 2002 - asmedigitalcollection.asme.org
This paper describes how the Intermediate Pressure (IP) turbine model rig of the Rolls-
Royce Trent 500 engine was redesigned by applying non-axisymmetric end walls to both …

Application of non-axisymmetric endwall contouring to conventional and high-lift turbine airfoils

TJ Praisner, E Allen-Bradley… - … Expo: Power for …, 2007 - asmedigitalcollection.asme.org
Here we report on the application of non-axisymmetric endwall contouring to mitigate the
endwall losses of one conventional-and two high-lift low-pressure turbine airfoil designs …

The effect of end-wall profiling on secondary flow and loss development in a turbine cascade

G Ingram, D Gregory-Smith… - … Expo: Power for …, 2002 - asmedigitalcollection.asme.org
The potential for loss reduction by using non-axisymmetric end-wall profiling has been
demonstrated in the so called “Durham” cascade (Hartland et al [1]) and in a turbine …

Improving the efficiency of the trent 500-hp turbine using nonaxisymmetric end walls—part i: Turbine design

G Brennan, NW Harvey, MG Rose… - J …, 2003 - asmedigitalcollection.asme.org
This paper describes the redesign of the HP turbine of the Rolls-Royce Trent 500 engine,
making use of nonaxisymmetric end walls. The original, datum turbine used conventional …

Effect of simulated combustor temperature nonuniformity on hp vane and end wall heat transfer: An experimental and computational investigation

I Qureshi, A Beretta, T Povey - 2011 - asmedigitalcollection.asme.org
This paper presents experimental measurements and computational predictions of surface
and end wall heat transfer for a high-pressure (HP) nozzle guide vane operating as part of a …