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Proceedings Papers
Volume 2B: Turbomachinery
Axial Flow Turbine Aerodynamics
The Effects of Inlet Boundary Layer Condition and Periodically Incoming Wakes on Secondary Flow in a Low Pressure Turbine Cascade
GT 2020; V02BT33A001https://doi.org/10.1115/GT2020-14242
Topics:
Boundary layers
,
Cascades (Fluid dynamics)
,
Flow (Dynamics)
,
Pressure
,
Turbines
,
Wakes
,
Design
,
Inflow
,
Blades
,
Flat plates
Axisymmetric Tip Gap Profiling in a Shroudless Axial Turbine
GT 2020; V02BT33A002https://doi.org/10.1115/GT2020-14301
Topics:
Turbines
,
Flow (Dynamics)
,
Leakage
,
Blades
,
Design
,
Leakage flows
,
Pressure
,
Rotors
,
Vortices
,
Bubbles
Volumetric Velocimetry Measurements of Purge-Mainstream Interaction in a 1-Stage Turbine
A. J. Carvalho Figueiredo, B. D. J. Schreiner, A. W. Mesny, O. J. Pountney, J. A. Scobie, Y. S. Li, D. J. Cleaver, C. M. Sangan
GT 2020; V02BT33A003https://doi.org/10.1115/GT2020-14307
Topics:
Turbines
,
Flow (Dynamics)
,
Blades
,
Computational fluid dynamics
,
Vortices
,
Compressors
,
Computation
,
Convection
,
Cooling
,
Disks
Reynolds and Mach Number Effects on the Flow in a Low-Pressure Turbine
GT 2020; V02BT33A004https://doi.org/10.1115/GT2020-14325
Topics:
Flow (Dynamics)
,
Mach number
,
Pressure
,
Turbines
,
Blades
,
Boundary layers
,
Gas turbines
,
Kinetic energy
,
Nozzle guide vanes
,
Reynolds number
Dynamics of Shock Waves Interacting With Laminar Separated Transonic Turbine Flow Investigated by High-Speed Schlieren and Surface Hot-Film Sensors
GT 2020; V02BT33A005https://doi.org/10.1115/GT2020-14386
Topics:
Dynamics (Mechanics)
,
Flow (Dynamics)
,
Sensors
,
Shock waves
,
Turbines
,
Bubbles
,
Separation (Technology)
,
Boundary layers
,
Mach number
,
Suction
A New Multi-Stage Turbine Stator Design for Improved Performance Retention
GT 2020; V02BT33A006https://doi.org/10.1115/GT2020-14407
Topics:
Design
,
Stators
,
Turbines
,
Vortices
,
Rotors
,
Cavities
,
Flow (Dynamics)
,
Leakage
,
Leakage flows
,
Separation (Technology)
High-Fidelity Simulations of a High-Pressure Turbine Vane Subject to Large Disturbances: Effect of Exit Mach Number on Losses
GT 2020; V02BT33A007https://doi.org/10.1115/GT2020-14445
Topics:
Engineering simulation
,
High pressure (Physics)
,
Mach number
,
Simulation
,
Turbines
,
Blades
,
Turbulence
,
Boundary layers
,
Flow (Dynamics)
,
Shock (Mechanics)
Interpretation of Low-Pressure Turbine Profile Loss Generation Mechanisms From a Viewpoint of Blade Drag Forces
GT 2020; V02BT33A009https://doi.org/10.1115/GT2020-14519
Topics:
Blades
,
Drag (Fluid dynamics)
,
Pressure
,
Turbines
,
Form drag
,
Friction
,
Reynolds number
,
Boundary layers
,
Bubbles
,
Cascades (Fluid dynamics)
A Bayesian Approach for the Identification of Cascade Loss Model Strategy
GT 2020; V02BT33A010https://doi.org/10.1115/GT2020-14625
Topics:
Cascades (Fluid dynamics)
,
Accounting
,
Approximation
,
Design
,
Fittings
,
Flow (Dynamics)
,
Inflow
,
Polynomials
,
Pressure
,
Probability
Effects of Casing Relative Motion on Aerodynamic Performance With Modified Designs of Winglet and Squealer Tip
GT 2020; V02BT33A015https://doi.org/10.1115/GT2020-15003
Topics:
Blades
,
Cavities
,
Design
,
Flow (Dynamics)
,
Geometry
,
Heat transfer
,
High pressure (Physics)
,
Leakage
,
Leakage flows
,
Momentum
Secondary Flow Response to Endwall Jets in a Low Pressure Turbine
GT 2020; V02BT33A018https://doi.org/10.1115/GT2020-15284
Topics:
Flow (Dynamics)
,
Jets
,
Pressure
,
Turbines
,
Vortices
,
Blades
,
Cascades (Fluid dynamics)
,
Design
,
Dynamics (Mechanics)
,
Excitation
Contribution of Tip Shroud Cavity to Loss Generation in the Main Flow of a Low Pressure Turbine Using Steady and Unsteady Numerical Approach
GT 2020; V02BT33A022https://doi.org/10.1115/GT2020-15422
Topics:
Cavities
,
Flow (Dynamics)
,
Pressure
,
Turbines
,
Simulation
,
Cavity flows
,
Computation
,
Entropy
,
Optimization
,
Rotors
Analysis of Measured and Predicted Turbine Maps From Start-Up to Design Point
Alberto Scotti del Greco, Sara Biagiotti, Vittorio Michelassi, Tomasz Jurek, Daniele Di Benedetto, Stefano Francini, Michele Marconcini
GT 2020; V02BT33A023https://doi.org/10.1115/GT2020-15484
Topics:
Computational fluid dynamics
,
Design
,
Turbines
Numerical Investigation on Unsteady Characteristics in Different Rim Seal Geometries: Part B
GT 2020; V02BT33A025https://doi.org/10.1115/GT2020-15607
Topics:
Blades
,
Computation
,
Computational fluid dynamics
,
Disks
,
Flow (Dynamics)
,
Gas turbines
,
Pressure
,
Reynolds-averaged Navier–Stokes equations
,
Rotors
,
Sealants
Effects of Trailing Edge Thickness and Blade Loading Distribution on the Aerodynamic Performance of Simulated CMC Turbine Blades
GT 2020; V02BT33A028https://doi.org/10.1115/GT2020-15802
Topics:
Blades
,
Ceramic matrix composites
,
Turbine blades
,
Reynolds number
,
Turbulence
,
Cascades (Fluid dynamics)
,
Chords (Trusses)
,
Design
,
Dimensions
,
Mach number
Numerical Investigations on the Effect of Pivot Shapes in Part Clearance Flow Field of Variable Area LP Turbine Nozzle Vane
GT 2020; V02BT33A029https://doi.org/10.1115/GT2020-15969
Topics:
Clearances (Engineering)
,
Flow (Dynamics)
,
Nozzles
,
Shapes
,
Turbines
,
Leakage flows
,
Engines
,
Leakage
,
Design
,
Entropy
Methods to Have Tighter Clearance in Gas Turbine: Turbine Section
GT 2020; V02BT33A030https://doi.org/10.1115/GT2020-15973
Topics:
Clearances (Engineering)
,
Gas turbines
,
Turbines
,
Design
,
Honeycomb structures
,
Pressure
,
Rotors
,
Damage
,
Flow (Dynamics)
,
Heat
Exploring Topology Optimisation of High Pressure Turbine Blade Tips
GT 2020; V02BT33A032https://doi.org/10.1115/GT2020-16059
Topics:
High pressure (Physics)
,
Optimization
,
Topology
,
Turbine blades
,
Blades
,
Design
,
Geometry
,
Rotors
,
Shapes
,
Turbines
Numerical Study of Influence of Rotor Tip Gap Increase due to Age Deterioration in 3-Stage Gas Turbine
GT 2020; V02BT33A034https://doi.org/10.1115/GT2020-16270
Topics:
Gas turbines
,
Rotors
,
Blades
,
Clearances (Engineering)
,
Computational fluid dynamics
,
Simulation
,
Boundary-value problems
,
Entropy
,
Flow (Dynamics)
,
Heat
Deposition, Erosion, Fouling, and Icing
The Effect of Sand Erosion on a Compressor Blade and its Modal Properties
GT 2020; V02BT34A001https://doi.org/10.1115/GT2020-14045
Topics:
Blades
,
Compressors
,
Erosion
,
Sands
,
Engines
,
Airfoils
,
Damage
,
Design
,
High cycle fatigue
,
Wear
Deposition of Fuel Impurities Within Thermal Barrier Coatings in Gas Turbine Hot Gas Paths
GT 2020; V02BT34A003https://doi.org/10.1115/GT2020-14480
Topics:
Fuels
,
Gas turbines
,
Thermal barrier coatings
,
Diffusion (Physics)
,
Equilibrium (Physics)
,
Pressure
,
Vapor deposition
,
Blades
,
Condensation
,
Engines
Turbine Nozzle Insert Clogging With Seeded Medium Size Particles
GT 2020; V02BT34A005https://doi.org/10.1115/GT2020-14522
Topics:
Nozzles
,
Particulate matter
,
Turbines
,
Engines
,
Pressure
,
Coating processes
,
Coatings
,
Cooling
,
Design
,
Filtration
Improving Gas Turbine Performance Through Reassembling Degraded Components: An Experimental and Computational Study
GT 2020; V02BT34A006https://doi.org/10.1115/GT2020-14627
Topics:
Gas turbines
,
Engines
,
Computational fluid dynamics
,
Maintenance
,
Simulation
,
Thermal efficiency
,
Compressors
,
Flow (Dynamics)
,
Testing performance
,
Turbines
Ice Crystal Icing Investigation on a Honeywell Uncertified Research Engine in an Altitude Simulation Icing Facility
GT 2020; V02BT34A007https://doi.org/10.1115/GT2020-14714
Topics:
Crystals
,
Engines
,
Ice
,
Simulation
,
Particulate matter
,
Stators
,
Inlet guide vanes
,
Temperature
,
Particle size
,
Metals
Numerical Study of Erosion due to Online Water Washing in Axial Flow Compressors
Francesca Di Gruttola, Giuliano Agati, Paolo Venturini, Domenico Borello, Franco Rispoli, Serena Gabriele, Domenico Simone
GT 2020; V02BT34A008https://doi.org/10.1115/GT2020-14767
Topics:
Axial flow
,
Compressors
,
Drops
,
Erosion
,
Water
Influence of Turboshaft Engine Architecture on Ash Particle Deposition: Reduced Order Model Application
GT 2020; V02BT34A011https://doi.org/10.1115/GT2020-15203
Topics:
Engines
,
Particulate matter
,
Temperature
,
Flames
,
Combustion chambers
,
Computer simulation
,
Damage
,
Gas turbines
,
High pressure (Physics)
,
Melting
Uncertainty Analysis of Inflow Conditions on an HPT Gas Turbine Nozzle: Effect on Particle Deposition
GT 2020; V02BT34A012https://doi.org/10.1115/GT2020-15370
Topics:
Gas turbines
,
Inflow
,
Nozzles
,
Particulate matter
,
Uncertainty analysis
,
Uncertainty
,
Creep
,
Engines
,
Flow (Dynamics)
,
Machinery
The Effect of Thermal Barrier Coating Surface Temperature on the Adhesion Behavior of CMAS Deposits
GT 2020; V02BT34A013https://doi.org/10.1115/GT2020-15544
Topics:
Adhesion
,
Temperature
,
Thermal barrier coatings
,
Flow (Dynamics)
,
Particulate matter
,
Heat transfer
,
High pressure (Physics)
,
Turbines
,
Turbofans
,
Coolants
An Experimental and Computational Investigation of Absolute Pressure Effects on Deposition in an Effusion Cooling Geometry
GT 2020; V02BT34A014https://doi.org/10.1115/GT2020-15632
Topics:
Cooling
,
Geometry
,
Pressure
,
Flow (Dynamics)
,
Particulate matter
,
Discharge coefficient
,
Drag (Fluid dynamics)
,
Engineering simulation
,
Erosion
,
Simulation
Structural Analysis of a Gas Turbine Axial Compressor Blade Eroded by Online Water Washing
Rossella Cinelli, Gianluca Maggiani, Serena Gabriele, Alessio Castorrini, Giuliano Agati, Franco Rispoli
GT 2020; V02BT34A015https://doi.org/10.1115/GT2020-15942
Topics:
Blades
,
Compressors
,
Gas turbines
,
Structural analysis
,
Water
,
Erosion
,
Computational fluid dynamics
,
Damage
,
Finite element methods
,
Simulation
Numerical Simulation Model of Electrothermal De-Icing Process on Composite Substrate
GT 2020; V02BT34A017https://doi.org/10.1115/GT2020-16116
Topics:
Composite materials
,
Computer simulation
,
Deicing
,
Ice
,
Carbon reinforced plastics
,
Melting
,
Airfoils
,
Thermal properties
,
Fibers
,
Heat transfer
Estimation of Aircraft Engine Flight Mission Severity Caused by Erosion
GT 2020; V02BT34A020https://doi.org/10.1115/GT2020-16297
Topics:
Aircraft engines
,
Erosion
,
Flight
,
Compressors
,
Blades
,
Engines
,
Particulate matter
,
Flow (Dynamics)
,
Separation (Technology)
,
Annulus
A Method for the Simulation of Time-Dependent In-Service Performance Change
GT 2020; V02BT34A021https://doi.org/10.1115/GT2020-16320
Topics:
Simulation
,
Geometry
,
Corrosion
,
Engineering simulation
,
Computers
,
Cost benefit analysis
,
Engineers
,
Erosion
,
Inspection
,
Modeling