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Proceedings Papers
In This Volume
Volume 2C: Turbomachinery
Axial Flow Turbine Aerodynamics
Flow Evolution Through a Turning Mid Turbine Frame With Embedded Design
GT 2014; V02CT38A001https://doi.org/10.1115/GT2014-25009
Topics:
Design
,
Flow (Dynamics)
,
Turbines
,
Turning
,
Ducts
,
Engines
,
Pressure
,
Aircraft engines
,
Bearings
,
Chords (Trusses)
Methods for the Gas Dynamic Calculation of the Cooled Multistage Turbine Performance
GT 2014; V02CT38A002https://doi.org/10.1115/GT2014-25044
Topics:
Turbines
,
Flow (Dynamics)
,
Blades
,
Temperature
,
Cooling
,
Cross section (Physics)
,
Airfoils
,
Geometry
,
Pressure
,
Rotation
The Influence From the Working Medium on the Profile Loss in Compressor and Turbine Airfoils
GT 2014; V02CT38A003https://doi.org/10.1115/GT2014-25069
Topics:
Airfoils
,
Compressors
,
Turbines
,
Carbon dioxide
,
Design
,
Boundary layers
,
Water
,
Flow (Dynamics)
,
Risk
,
Steam
High Efficiency Cavity Winglets for High Pressure Turbines
GT 2014; V02CT38A005https://doi.org/10.1115/GT2014-25261
Topics:
Cavities
,
High pressure (Physics)
,
Turbines
,
Blades
,
Flow (Dynamics)
,
Clearances (Engineering)
,
Design
,
Coolants
,
Cooling
,
Discharge coefficient
Design of an Axial Impulse Turbine for Enthalpy Drop Recovery
GT 2014; V02CT38A006https://doi.org/10.1115/GT2014-25284
Topics:
Design
,
Enthalpy
,
Impulse (Physics)
,
Turbines
,
Blades
,
Flow (Dynamics)
,
Rotors
,
Stators
,
Engineering simulation
,
Simulation
The Effect of Endwall Manufacturing Variations on Turbine Performance
GT 2014; V02CT38A008https://doi.org/10.1115/GT2014-25326
Topics:
Manufacturing
,
Turbines
,
Flow (Dynamics)
,
Blades
,
Casting
,
Geometry
,
Leakage
,
Aircraft engines
,
Design
,
Engines
Blade-Row Interactions in an LP Turbine at Design and Strong Off-Design Operation
GT 2014; V02CT38A009https://doi.org/10.1115/GT2014-25343
Topics:
Blades
,
Design
,
Turbines
,
Pressure
,
Airfoils
,
Flow (Dynamics)
,
Aircraft engines
,
Aircraft propulsion
,
Computational fluid dynamics
,
Engineering simulation
Study of Tabs in a Short Annular Diffuser With a Strong Swirling Flow
GT 2014; V02CT38A013https://doi.org/10.1115/GT2014-25567
Topics:
Diffusers
,
Swirling flow
,
Pressure
,
Turbulence
Aerodynamics and Acoustics of Turning Mid Turbine Frames in a Two-Shaft Test Turbine
GT 2014; V02CT38A014https://doi.org/10.1115/GT2014-25568
Topics:
Acoustics
,
Aerodynamics
,
Turbines
,
Turning
,
Pressure
,
Rotors
,
Flow (Dynamics)
,
Probes
,
Design
,
Engines
Experimental Investigation of Nozzle Vane Clocking in a 2-Stage Low Pressure Turbine
GT 2014; V02CT38A017https://doi.org/10.1115/GT2014-25604
Topics:
Nozzles
,
Pressure
,
Turbines
,
Engines
,
Ducts
,
Probes
,
Flow (Dynamics)
,
Phase shift
,
Rotors
,
Temperature
Suppression of Secondary Flows in an Axial Flow Turbine Rotor With a Novel Blade Design Concept
GT 2014; V02CT38A019https://doi.org/10.1115/GT2014-25630
Topics:
Axial flow
,
Blades
,
Design
,
Flow (Dynamics)
,
Rotors
,
Turbines
,
Chords (Trusses)
,
Pressure
,
Computational methods
,
Design methodology
Study of Particle Ingestion Through Two-Stage Gas Turbine
GT 2014; V02CT38A020https://doi.org/10.1115/GT2014-25759
Topics:
Gas turbines
,
Particulate matter
,
Erosion
,
Blades
,
Corners (Structural elements)
,
Rotors
,
Pressure
,
Suction
,
Failure
,
Finite element methods
Quantifying Loss Mechanisms in Turbine Tip Shroud Cavity Flows
Timothy R. Palmer, Choon S. Tan, Humberto Zuniga, David Little, Matthew Montgomery, Anthony Malandra
GT 2014; V02CT38A021https://doi.org/10.1115/GT2014-25783
Topics:
Cavity flows
,
Turbines
,
Flow (Dynamics)
,
Cavities
,
Leakage flows
,
Leakage
,
Vortices
,
Approximation
,
Geometry
,
Rotors
Investigation of a Separated Boundary Layer and its Influence on Secondary Flow of a Transonic Turbine Profile
GT 2014; V02CT38A022https://doi.org/10.1115/GT2014-25890
Topics:
Boundary layers
,
Flow (Dynamics)
,
Turbines
,
Suction
,
Blades
,
Bubbles
,
Cascades (Fluid dynamics)
,
Flow separation
,
Reynolds number
,
Separation (Technology)
Investigation of Variated Unsteady Inflow Boundary Conditions on the Transition Behavior of a Low Pressure Turbine Cascade Family
GT 2014; V02CT38A023https://doi.org/10.1115/GT2014-25891
Topics:
Boundary-value problems
,
Cascades (Fluid dynamics)
,
Inflow
,
Pressure
,
Turbines
,
Wakes
,
Blades
,
Flow separation
,
Reynolds number
,
Separation (Technology)
Investigation of the Suction Side Boundary Layer Development on Low Pressure Turbine Airfoils With and Without Separation Using a Preston Probe
GT 2014; V02CT38A025https://doi.org/10.1115/GT2014-25908
Topics:
Airfoils
,
Boundary layers
,
Pressure
,
Probes
,
Separation (Technology)
,
Suction
,
Turbines
,
Flow (Dynamics)
,
Geometry
,
Reynolds number
Exhaust Diffuser Characteristics at Off-Design Conditions
GT 2014; V02CT38A026https://doi.org/10.1115/GT2014-25938
Topics:
Design
,
Diffusers
,
Exhaust systems
,
Stress
,
Computer simulation
,
Flow (Dynamics)
,
Energy resources
,
Engines
,
Gas turbines
,
Geometry
Aerodynamic Robustness of End Wall Contouring Against Rim Seal Purge Flow
GT 2014; V02CT38A027https://doi.org/10.1115/GT2014-26007
Topics:
Flow (Dynamics)
,
Robustness
,
Design
,
Turbines
,
Probes
,
Annulus
,
Gas turbines
,
High pressure (Physics)
,
Rotors
An Analytical Investigation on the Impact of Wall Cooling on the Development of Boundary Layers on the Suction Sides of Typical High Pressure Turbine Airfoils
GT 2014; V02CT38A028https://doi.org/10.1115/GT2014-26041
Topics:
Airfoils
,
Boundary layers
,
Cooling
,
High pressure (Physics)
,
Suction
,
Turbines
,
Temperature
,
Reynolds number
,
Aircraft engines
,
Compressibility
Design Optimization of Profiled Endwall in a High Work Turbine
GT 2014; V02CT38A029https://doi.org/10.1115/GT2014-26190
Topics:
Design
,
Optimization
,
Turbines
,
Flow (Dynamics)
,
Geometry
,
Simulation
,
Axial flow
,
B-splines
,
Computational fluid dynamics
,
Genetic algorithms
Effect of Unguided Turning Angle and Trailing Edge Shape on Cooled Blade Loss
GT 2014; V02CT38A030https://doi.org/10.1115/GT2014-26215
Topics:
Blades
,
Shapes
,
Turning angles
,
Flow (Dynamics)
,
Airfoils
,
Pressure
,
Turbines
,
Computer simulation
,
Design
,
Gas turbines
Aerodynamic Design and Analysis of a Multistage Vaneless Counter-Rotating Turbine
GT 2014; V02CT38A031https://doi.org/10.1115/GT2014-26335
Topics:
Design
,
Turbines
,
Rotors
,
Pressure
,
Blades
,
Flow (Dynamics)
,
Weight (Mass)
,
Centrifugal force
,
Compressors
,
Ducts
Effects of Platform Misalignment in a 3D Designed 1.5 Stage Axial Turbine
GT 2014; V02CT38A032https://doi.org/10.1115/GT2014-26378
Topics:
Turbines
,
Flow (Dynamics)
,
Blades
,
Design
,
Bubbles
,
Engineering simulation
,
Flow separation
,
Inflow
,
Manufacturing
,
Pressure
Active Tip Clearance Flow Control for an Axial-Flow Turbine Rotor Using Ring-Type Plasma Actuators
GT 2014; V02CT38A033https://doi.org/10.1115/GT2014-26390
Topics:
Actuators
,
Axial flow
,
Clearances (Engineering)
,
Flow control
,
Plasmas (Ionized gases)
,
Rotors
,
Turbines
,
Leakage flows
,
Blades
,
Flat plates
Evaluation of Different Squealer Cavity Configurations in a HPT Blade Tip Region and its Influence on the Heat Transfer
GT 2014; V02CT38A034https://doi.org/10.1115/GT2014-26392
Topics:
Blades
,
Cavities
,
Heat transfer
,
Rotors
,
Flow (Dynamics)
,
Computational fluid dynamics
,
High pressure (Physics)
,
Turbines
,
Turbomachinery
Research on the Structure Design and Flow Field of Supersonic Expander
GT 2014; V02CT38A035https://doi.org/10.1115/GT2014-26446
Topics:
Design
,
Flow (Dynamics)
,
Air flow
,
Pressure
,
Shapes
,
Diluents
,
Mach number
,
Pressure gradient
,
Shock waves
,
Turbine blades
Endwall Contouring Optimization in a High Pressure Turbine Vane With Consideration of Rim Seal Flow
GT 2014; V02CT38A039https://doi.org/10.1115/GT2014-26587
Topics:
Flow (Dynamics)
,
High pressure (Physics)
,
Optimization
,
Turbines
,
Pressure
,
Vortices
,
Computation
,
Computer software
,
Design
,
Genetic algorithms
Automatic Design Optimisation of Profiled Endwalls Including Real Geometrical Effects to Minimize Turbine Secondary Flows
GT 2014; V02CT38A041https://doi.org/10.1115/GT2014-26628
Topics:
Design
,
Flow (Dynamics)
,
Optimization
,
Turbines
,
Geometry
,
Modeling
,
Cycles
,
Sealing (Process)
,
Aircraft engines
,
Annulus
The Dissipation Function-Based Efficiency for Turbomachinery: Part 1 — The Efficiency of a Cooled Turbine Row
GT 2014; V02CT38A043https://doi.org/10.1115/GT2014-26656
Topics:
Energy dissipation
,
Turbines
,
Turbomachinery
,
Coolants
,
Cooling
,
Temperature
,
Chemical reactions
,
Fuels
,
Mach number
,
Mass transfer
Investigation on the Effect of Asymmetric Vane Spacing on the Reduction of Rotor Blade Vibration
GT 2014; V02CT38A044https://doi.org/10.1115/GT2014-26710
Topics:
Blades
,
Rotors
,
Vibration
,
Stress
,
Excitation
,
Wakes
,
Fluids
,
Stators
,
Transients (Dynamics)
,
Turbines
The Impact of Realistic Inlet Swirl in a 1 ½ Stage Axial Turbine
GT 2014; V02CT38A045https://doi.org/10.1115/GT2014-26716
Topics:
Turbines
,
Inflow
,
Swirling flow
,
Nozzle guide vanes
,
Pressure
,
Combustion chambers
,
Design
,
Generators
,
Heat transfer
,
Turbulence
Dependence of External Heat Transfer Coefficient and Aerodynamics on Wall Temperature for 3-D Turbine Blade Passage
GT 2014; V02CT38A046https://doi.org/10.1115/GT2014-26763
Topics:
Aerodynamics
,
Heat transfer coefficients
,
Turbine blades
,
Wall temperature
,
Flow (Dynamics)
,
Boundary layers
,
Errors
,
Blades
,
Convection
,
Nozzle guide vanes
Numerical Estimation of the Unsteady Force on Rotor Blades in a Partial Arc Admission Stage of an Axial Turbine
GT 2014; V02CT38A047https://doi.org/10.1115/GT2014-26774
Topics:
Blades
,
Rotors
,
Turbines
,
Computational fluid dynamics
,
Cascades (Fluid dynamics)
,
Cavities
,
Disks
,
Clearances (Engineering)
,
Pressure
,
Leakage flows
Investigation of Non-Axisymmetric Endwall Contouring and 3D Airfoil Design in a 1.5 Stage Axial Turbine: Part I — Design and Novel Numerical Analysis Method
GT 2014; V02CT38A048https://doi.org/10.1115/GT2014-26784
Topics:
Airfoils
,
Design
,
Numerical analysis
,
Turbine components
,
Flow (Dynamics)
,
Stators
,
Rotors
,
Vortices
,
Turbines
,
Energy dissipation
Investigation of Non-Axisymmetric Endwall Contouring and 3D Airfoil Design in a 1.5 Stage Axial Turbine: Part II — Experimental Validation
GT 2014; V02CT38A049https://doi.org/10.1115/GT2014-26785
Topics:
Airfoils
,
Design
,
Turbine components
,
Probes
,
Computational fluid dynamics
,
Inlet guide vanes
,
Mechanical efficiency
,
Pressure
,
Rotors
,
Stators
Rotor Blade Heat Transfer Characteristics for High Pressure Turbine Stage Under Inlet Temperature and Velocity Traverses
GT 2014; V02CT38A051https://doi.org/10.1115/GT2014-26832
Topics:
Blades
,
Heat transfer
,
High pressure (Physics)
,
Rotors
,
Temperature
,
Turbines
,
Combustion chambers
,
Design
,
Heat
,
Nozzle guide vanes
Comparison of a State of the Art and a High Stage Loading Rotor
GT 2014; V02CT38A052https://doi.org/10.1115/GT2014-26895
Topics:
Rotors
,
Blades
,
Pressure
,
Wakes
,
Aircraft engines
,
Flow (Dynamics)
,
Fluctuations (Physics)
,
Airfoils
,
Geometry
,
Leakage
Comparison of the Experimental Results Between a 2D EGV Cascade Test and a Rig Test Under Engine Representative Conditions
GT 2014; V02CT38A053https://doi.org/10.1115/GT2014-26915
Topics:
Cascades (Fluid dynamics)
,
Engines
,
Aircraft engines
,
Bearings
,
Flow (Dynamics)
,
Fluid mechanics
,
Guide vanes
,
Pressure
,
Stress
,
Thermoelectric coolers
A New Experimental Facility to Investigate Combustor-Turbine Interactions in Gas Turbines With Multiple Can Combustors
GT 2014; V02CT38A055https://doi.org/10.1115/GT2014-26987
Topics:
Combustion chambers
,
Gas turbines
,
Turbines
,
Nozzle guide vanes
,
Cooling
,
Design
,
Engines
,
Boundary layers
,
Boundary-value problems
,
Cascades (Fluid dynamics)
Effects of Unsteady Wakes on Flow Through High Pressure Turbine Passages With and Without Tip Gaps
GT 2014; V02CT38A056https://doi.org/10.1115/GT2014-27006
Topics:
Flow (Dynamics)
,
High pressure (Physics)
,
Turbines
,
Wakes
,
Vortices
,
Pressure
,
Airfoils
,
Cascades (Fluid dynamics)
,
Leakage
,
Chords (Trusses)
Effects of Endwall Boundary Layer Thickness and Blade Tip Geometry on Flow Through High Pressure Turbine Passages
GT 2014; V02CT38A058https://doi.org/10.1115/GT2014-27013
Topics:
Blades
,
Boundary layers
,
Flow (Dynamics)
,
Geometry
,
High pressure (Physics)
,
Turbines
,
Wakes
,
Cascades (Fluid dynamics)
,
Chords (Trusses)
,
Pressure
Multi-Point Optimization of Lean and Sweep Angles for Stator and Rotor Blades of an Axial Turbine
GT 2014; V02CT38A059https://doi.org/10.1115/GT2014-27016
Topics:
Blades
,
Optimization
,
Rotors
,
Stators
,
Turbines
,
Gas turbines
,
Design
,
Genetic algorithms
,
Boundary-value problems
,
Computational fluid dynamics