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Proceedings Papers
Volume 2C: Turbomachinery
Radial Turbomachinery Aerodynamics
Forced Response of a Centrifugal Compressor Stage due to the Impeller-Diffuser Interaction
GT 2015; V02CT42A001https://doi.org/10.1115/GT2015-42041
Topics:
Compressors
,
Diffusers
,
Impellers
,
Blades
,
Disks
,
Airfoils
,
Boundary-value problems
,
Couplings
,
Manufacturing
,
Resonance
Influence of Geometrical Parameters on Aerodynamic Optimization of a Mixed-Flow Turbocharger Turbine
GT 2015; V02CT42A002https://doi.org/10.1115/GT2015-42053
Topics:
Flow (Dynamics)
,
Optimization
,
Turbines
,
Turbochargers
,
Geometry
,
Computational fluid dynamics
,
Genetic algorithms
,
Blades
,
Turbine blades
Loss Mechanisms and Flow Control for Improved Efficiency of a Centrifugal Compressor at High Inlet Prewhirl
GT 2015; V02CT42A005https://doi.org/10.1115/GT2015-42107
Topics:
Compressors
,
Flow control
,
Flow (Dynamics)
,
Diffusers
,
Impellers
,
Blades
,
Engineering simulation
,
Flow separation
,
Fluids
,
Modeling
Experimental and Numerical Investigation of a Counter-Rotating Mixed-Flow Single Stage Pump
GT 2015; V02CT42A006https://doi.org/10.1115/GT2015-42152
Topics:
Flow (Dynamics)
,
Pumps
,
Impellers
,
Design
,
Blades
,
Centrifugal pumps
,
Diffusers
,
Engineering prototypes
,
Equipment performance
,
Fluids
Enhancement of Centrifugal Compressor Operating Range by Control of Inlet Recirculation With Inlet Fins
GT 2015; V02CT42A007https://doi.org/10.1115/GT2015-42154
Topics:
Compressors
,
Fins
,
Surges
,
Engines
,
Flow (Dynamics)
,
Computational fluid dynamics
,
Pipes
,
Stability
,
Turbochargers
,
Vaneless diffusers
Experimental and Numerical Benchmarking of an Improved Meanline Modelling Method for Automotive Turbocharger Centrifugal Compressors
GT 2015; V02CT42A008https://doi.org/10.1115/GT2015-42175
Topics:
Compressors
,
Modeling
,
Turbochargers
,
Computational fluid dynamics
,
Flow (Dynamics)
,
Geometry
,
Pressure
Experimental Analysis of the Pressure Field Inside a Vaneless Diffuser From Rotating Stall Inception to Surge
GT 2015; V02CT42A010https://doi.org/10.1115/GT2015-42282
Topics:
Experimental analysis
,
Pressure
,
Stall inception
,
Surges
,
Vaneless diffusers
,
Diffusers
,
Compressors
,
Machinery
,
Probes
,
Flow (Dynamics)
Analytical Study on the Performance of Centrifugal Compressor Considering Running Tip Clearance
GT 2015; V02CT42A011https://doi.org/10.1115/GT2015-42348
Topics:
Clearances (Engineering)
,
Compressors
,
Impellers
,
Blades
,
Deformation
,
Centrifugal force
,
Fluid structure interaction
,
Stress
,
Displacement
,
Flow (Dynamics)
Vortices and Performance of Internal and External Volutes
GT 2015; V02CT42A013https://doi.org/10.1115/GT2015-42462
Topics:
Vortices
,
Compressors
,
Computer simulation
,
Cross-flow
,
Shapes
,
Shear stress
The One-Dimensional Meanline Design of Radial Turbines for Small Scale Low Temperature Organic Rankine Cycles
GT 2015; V02CT42A014https://doi.org/10.1115/GT2015-42466
Topics:
Design
,
Low temperature
,
Organic Rankine cycle
,
Turbines
,
Flow (Dynamics)
,
Design methodology
,
Pressure
,
Rotors
,
Computational fluid dynamics
,
Construction
Numerical Investigation of Kelvin-Helmholtz Instability in a Centrifugal Compressor Operating Near Stall
GT 2015; V02CT42A015https://doi.org/10.1115/GT2015-42495
Topics:
Compressors
,
Flow (Dynamics)
,
Annulus
,
Engineering simulation
,
Momentum
,
Simulation
,
Blades
,
Diffusers
,
Impellers
,
Leakage flows
Experimental and Numerical Study of Return Channel Flow Influence on Surge Margin of a Multi-Stage Centrifugal Compressor
GT 2015; V02CT42A017https://doi.org/10.1115/GT2015-42546
Topics:
Channel flow
,
Compressors
,
Surges
,
Flow (Dynamics)
,
Impellers
,
Blades
,
Computational fluid dynamics
,
Suction
,
Flow separation
,
Internal flow
An Evaluation of Vaneless Diffuser Modelling Methods as a Means of Improving the Off-Design Performance Prediction of Centrifugal Compressors
GT 2015; V02CT42A021https://doi.org/10.1115/GT2015-42657
Topics:
Compressors
,
Design
,
Modeling
,
Vaneless diffusers
,
Diffusers
,
Impellers
,
Computational fluid dynamics
,
Flow (Dynamics)
,
Engineering simulation
,
Mach number
Investigation of Performance and Flow Field of a Centrifugal Compressor Under Negative Pre-Swirl
GT 2015; V02CT42A026https://doi.org/10.1115/GT2015-43141
Topics:
Compressors
,
Flow (Dynamics)
,
Impellers
,
Inlet guide vanes
,
Pressure
,
Separation (Technology)
,
Diffusers
,
Energy transformation
,
Numerical analysis
,
Vortices
Numerical Investigation of Centrifugal Compressor Tip Clearance
GT 2015; V02CT42A028https://doi.org/10.1115/GT2015-43199
Topics:
Clearances (Engineering)
,
Compressors
,
Blades
,
Flow (Dynamics)
,
Impellers
,
Suction
,
Diffusers
,
Pressure
,
Wakes
Effects of Flow Path Height of Impeller Exit and Diffuser on Flow Fields in a Transonic Centrifugal Compressor
GT 2015; V02CT42A029https://doi.org/10.1115/GT2015-43271
Topics:
Compressors
,
Diffusers
,
Flow (Dynamics)
,
Impellers
,
Turbochargers
,
Carbon
,
Eddies (Fluid dynamics)
,
Emissions
,
Engines
,
Internal flow
Study of a Highly Loaded Centrifugal Compressor With Pipe Diffuser at Design and Off-Design Operating Conditions
GT 2015; V02CT42A030https://doi.org/10.1115/GT2015-43426
Topics:
Compressors
,
Design
,
Diffusers
,
Pipes
,
Wedges
,
Flow (Dynamics)
,
Flow separation
,
Pressure
,
Surges
,
Boundary layers
Introduction of Circumferentially Non-Uniform Variable Guide Vanes in the Inlet Plenum of a Centrifugal Compressor for Minimum Losses and Flow Distortion
Ismail Sezal, Matthias Lang, Christian Aalburg, Nan Chen, Wolfgang Erhard, Alberto Scotti Del Greco, Libero Tapinassi, Rajesh Kumar V. Gadamsetty
GT 2015; V02CT42A031https://doi.org/10.1115/GT2015-43467
Topics:
Compressors
,
Flow (Dynamics)
,
Guide vanes
,
Impellers
,
Airfoils
,
Pressure
,
Annulus
,
Cascades (Fluid dynamics)
,
Compression
,
Computational fluid dynamics
Increasing Pulse Energy Recovery of Radial Turbocharger Turbines by 3D Inverse Design Method
GT 2015; V02CT42A033https://doi.org/10.1115/GT2015-43579
Topics:
Design methodology
,
Energy recovery
,
Turbines
,
Turbochargers
,
Design
,
Exhaust systems
,
Temperature
,
Computational fluid dynamics
,
Cycles
,
Engines
Numerical Investigation of the Return Channel of a High-Flow Centrifugal Compressor Stage
GT 2015; V02CT42A034https://doi.org/10.1115/GT2015-43640
Topics:
Compressors
,
Flow (Dynamics)
,
Engineering simulation
,
Simulation
,
Computational fluid dynamics
,
Impellers
,
Blades
,
Computer simulation
,
Construction
,
Ducts
Experimental and Numerical Investigation of Labyrinth Seal Clearance Impact on Centrifugal Impeller Performance
GT 2015; V02CT42A035https://doi.org/10.1115/GT2015-43778
Topics:
Clearances (Engineering)
,
Impellers
,
Compressors
,
Flow (Dynamics)
,
Pressure
,
Cavities
,
Computational fluid dynamics
,
Leakage flows
,
Simulation
,
Internal flow
Unsteady Flows in Turbomachinery
Investigation of Stator Induced Unsteadiness on a Centrifugal Impeller Using a Mach-Independent Non-Linear Harmonic Method
GT 2015; V02CT44A001https://doi.org/10.1115/GT2015-42042
Topics:
Impellers
,
Stators
,
Diffusers
,
Flow (Dynamics)
,
Incompressible fluids
,
Mach number
,
Pressure
,
Simulation
,
Stress
Unsteady Measurements of Periodic Effects in a Transonic Compressor With Casing Treatments
GT 2015; V02CT44A006https://doi.org/10.1115/GT2015-42394
Topics:
Compressors
,
Flow (Dynamics)
,
Blades
,
Design
,
High pressure (Physics)
,
Instrumentation
,
Particulate matter
,
Pressure
,
Shock (Mechanics)
,
Stall inception
Phase-Locked Investigation of Secondary Flows Perturbed by Passing Wakes in a High-Lift LPT Turbine Cascade
GT 2015; V02CT44A008https://doi.org/10.1115/GT2015-42480
Topics:
Cascades (Fluid dynamics)
,
Flow (Dynamics)
,
Turbines
,
Wakes
,
Turbulence
,
Vortices
,
Aerodynamics
,
Blades
,
Displacement
,
Pressure
Delay of Rotating Stall in Compressors Using Plasma Actuators
GT 2015; V02CT44A009https://doi.org/10.1115/GT2015-42559
Topics:
Actuators
,
Compressors
,
Delays
,
Plasmas (Ionized gases)
,
Computational fluid dynamics
,
Flow (Dynamics)
,
Blades
,
Rotors
,
Stall inception
,
Aircraft
Numerical Prediction of Stall Inception in Centrifugal Compressor Using Eigenvalue Method
GT 2015; V02CT44A010https://doi.org/10.1115/GT2015-42590
Topics:
Compressors
,
Eigenvalues
,
Stall inception
,
Blades
,
Stability
,
Computational fluid dynamics
,
Design
,
Energy dissipation
,
Errors
,
Flow (Dynamics)
Large-Scale DES Analysis of Unsteady Flow Field in a Multi-Stage Axial Flow Compressor at Off-Design Condition Using K Computer
GT 2015; V02CT44A011https://doi.org/10.1115/GT2015-42648
Topics:
Axial flow
,
Computers
,
Design
,
Unsteady flow
,
Simulation
,
Compressors
,
Boundary-value problems
,
Flow (Dynamics)
,
Blades
,
Computation
Effects of Radial Loading Distribution on Partial Surge Initiated Instability in a Transonic Axial Flow Compressor
GT 2015; V02CT44A012https://doi.org/10.1115/GT2015-42664
Topics:
Axial flow
,
Surges
,
Compressors
,
Rotors
,
Blades
,
Design
,
Reynolds-averaged Navier–Stokes equations
,
Simulation
,
Stall inception
On Turbulence Measurements and Analyses in a Two-Stage Two-Spool Turbine Rig
GT 2015; V02CT44A013https://doi.org/10.1115/GT2015-42698
Topics:
Turbines
,
Turbulence
,
Rotors
,
Signals
,
Fluctuations (Physics)
,
Probes
,
Machine dynamics
,
Pressure
,
Turbomachinery
,
Wire
Circumferentially Non-Uniform Flow in the Rear Stage of a Multistage Compressor
GT 2015; V02CT44A015https://doi.org/10.1115/GT2015-42935
Topics:
Compressors
,
Flow (Dynamics)
,
Wakes
,
Blades
,
Engineering simulation
,
Simulation
,
Airfoils
,
Annulus
,
Design
,
Ducts
Investigation on Pressure Fluctuation Related to Mild Surge in Multi-Stage Centrifugal Blower With Inlet Guide Vane
GT 2015; V02CT44A017https://doi.org/10.1115/GT2015-43034
Topics:
Inlet guide vanes
,
Pressure
,
Surges
,
Simulation
,
Fluctuations (Physics)
,
System dynamics
,
Compression
,
Machinery
,
Actuators
,
Diffusers
Numerical Simulations on Flow Separation Within an Axial Turbine at Very Low Reynolds Number
GT 2015; V02CT44A018https://doi.org/10.1115/GT2015-43108
Topics:
Computer simulation
,
Flow separation
,
Reynolds number
,
Turbines
,
Separation (Technology)
,
Modeling
,
Stators
,
Turbulence
,
Vortices
,
Simulation
Space-Time Gradient Method for Unsteady Bladerow Interaction: Part I — Basic Methodology and Verification
GT 2015; V02CT44A019https://doi.org/10.1115/GT2015-43152
Topics:
Gradient methods
,
Spacetime
,
Flow (Dynamics)
,
Turbomachinery
,
Unsteady flow
,
Annulus
,
Computers
,
Design
,
Modeling
,
Rotors
Space-Time Gradient Method for Unsteady Bladerow Interaction: Part II — Further Validation, Clocking and Multi-Disturbance Effect
GT 2015; V02CT44A020https://doi.org/10.1115/GT2015-43156
Topics:
Gradient methods
,
Spacetime
,
Rotors
,
Stators
,
Blades
,
Turbines
,
Modeling
,
Temperature
,
Boundary layers
,
Compressors
Experimental Investigations on Effects of Unsteady Wakes on the Secondary Flows in the Linear T106 Turbine Cascade
GT 2015; V02CT44A021https://doi.org/10.1115/GT2015-43170
Topics:
Cascades (Fluid dynamics)
,
Flow (Dynamics)
,
Turbines
,
Wakes
,
Pressure
,
Probes
,
Inflow
,
Wire
,
Boundary layers
,
Sensors
Numerical Investigation of Contrasting Flow Physics in Different Zones of a High-Lift Low Pressure Turbine Blade
GT 2015; V02CT44A022https://doi.org/10.1115/GT2015-43200
Topics:
Flow (Dynamics)
,
Physics
,
Pressure
,
Turbine blades
,
Vortices
,
Turbulence
,
Boundary layers
,
Suction
,
Wakes
,
Boundary layer turbulence
High-Fidelity Simulations of Low-Pressure Turbines: Effect of Flow Coefficient and Reduced Frequency on Losses
GT 2015; V02CT44A024https://doi.org/10.1115/GT2015-43429
Topics:
Engineering simulation
,
Flow (Dynamics)
,
Pressure
,
Simulation
,
Turbines
,
Wakes
,
Boundary layers
,
Computer simulation
,
Blades
,
Large eddy simulation
Numerical and Experimental Investigations of Clocking Effect in a Two-Stage Compressor With πC = 3.7
GT 2015; V02CT44A025https://doi.org/10.1115/GT2015-43472
Topics:
Compressors
,
Rotors
,
Blades
,
Pressure
,
Clearances (Engineering)
,
Wakes
,
Fluctuations (Physics)
,
Stress
,
Boundary layers
,
Computer software
A Study of Performance and Flow Mechanism of a Slot-Groove Hybrid Casing Treatment in a Low-Speed Compressor
GT 2015; V02CT44A029https://doi.org/10.1115/GT2015-43920
Topics:
Compressors
,
Flow (Dynamics)
,
Entropy
,
Vortices
,
Blades
,
Computational fluid dynamics
,
Stability
,
Trajectories (Physics)
,
Leakage
,
Leakage flows
Investigation on Acoustic Resonance for Different Diffuser and Effect on Centrifugal Compressor Pipeline Failure
GT 2015; V02CT44A030https://doi.org/10.1115/GT2015-43958
Topics:
Acoustics
,
Compressors
,
Diffusers
,
Failure
,
Pipelines
,
Resonance
,
Blades
,
Computer software
,
Condition monitoring
,
Design
Transient Analysis of a Transonic Compressor Rotor With Aeroelastic Effects
GT 2015; V02CT44A031https://doi.org/10.1115/GT2015-44023
Topics:
Compressors
,
Rotors
,
Transient analysis
,
Blades
,
Deformation
,
Shock (Mechanics)
,
Design
,
Transients (Dynamics)
,
Geometry
,
Aircraft
Multidisciplinary Design Approaches, Optimization and Uncertainty Quantification (With Structures and Dynamics and Heat Transfer)
Study on Coupling Optimization Design of Aspirated Compressor Airfoil Based on Two Different Parameterization Methods
GT 2015; V02CT45A001https://doi.org/10.1115/GT2015-42009
Topics:
Airfoils
,
Compressors
,
Design
,
Optimization
,
Algorithms
,
Stress
,
Pressure
,
Design methodology
,
Boundary layers
,
Mach number
Optimisation of a High Pressure Ratio Radial-Inflow Turbine: Coupled CFD-FE Analysis
GT 2015; V02CT45A003https://doi.org/10.1115/GT2015-42208
Topics:
Computational fluid dynamics
,
High pressure (Physics)
,
Inflow
,
Optimization
,
Turbines
,
Design
,
Engineering simulation
,
Geometry
,
Pressure
,
Simulation
Research on Meta-Model Based Global Design Optimization and Data Mining Methods
GT 2015; V02CT45A007https://doi.org/10.1115/GT2015-42554
Topics:
Data mining
,
Design
,
Optimization
,
Blades
,
Rotors
,
Algorithms
,
Pressure
,
Turbomachinery
,
Compressors
,
Computational fluid dynamics
Turbine Stator Well Cooling: Improved Geometry Benefits
GT 2015; V02CT45A008https://doi.org/10.1115/GT2015-42658
Topics:
Cooling
,
Geometry
,
Stators
,
Turbines
,
Engines
,
Flow (Dynamics)
,
Cavities
,
Computational fluid dynamics
,
Coolants
,
Finite element analysis
Uncertainty Quantification of Hot Gas Ingestion for a Gas Turbine Nozzle Using Polynomial Chaos
GT 2015; V02CT45A009https://doi.org/10.1115/GT2015-42679
Topics:
Chaos
,
Gas turbines
,
Nozzles
,
Polynomials
,
Uncertainty quantification
,
Probability
,
Cooling
,
Approximation
,
Design
,
Flow (Dynamics)
Optimization of Compressor Variable Geometry Settings Using Multi-Fidelity Simulation
GT 2015; V02CT45A010https://doi.org/10.1115/GT2015-42832
Topics:
Compressors
,
Geometry
,
Optimization
,
Simulation
,
Engines
,
Design
,
Blades
,
Gas turbines
,
Stators
,
Chain
Surrogate-Based Optimisation for a Mixed-Variable Design Space: Proof of Concept and Opportunities for Turbomachinery Applications
GT 2015; V02CT45A015https://doi.org/10.1115/GT2015-43254
Topics:
Design
,
Optimization
,
Turbomachinery
,
Computation
,
Computer simulation
,
Conceptual design
,
Ducts
,
Engineering design processes
Open Rotor Design Strategy: From Wind Tunnel Tests to Full Scale Multi-Disciplinary Design
Jonathan Vlastuin, Clément Dejeu, Anthony Louet, Jérôme Talbotec, Ingrid Lepot, Timothée Lonfils, Michaël Leborgne
GT 2015; V02CT45A016https://doi.org/10.1115/GT2015-43300
Topics:
Design
,
Rotors
,
Wind tunnels
,
Acoustics
,
Computational fluid dynamics
,
Design methodology
,
Aerodynamics
,
Optimization
,
Propellers
,
Weight (Mass)
Three-Stage Low Pressure Compressor Modernization by Means of Optimization Methods
GT 2015; V02CT45A017https://doi.org/10.1115/GT2015-43384
Topics:
Compressors
,
Optimization
,
Pressure
,
Flow (Dynamics)
,
Geometry
,
Blades
,
Gas turbines
,
Subsonic flow
Quantification of Combined Operational and Geometrical Uncertainties in Turbo-Machinery Design
GT 2015; V02CT45A018https://doi.org/10.1115/GT2015-43399
Topics:
Design
,
Turbomachinery
,
Uncertainty
,
Simulation
,
Accounting
,
Geometry
,
Pressure
,
Computational fluid dynamics
,
Computer software
,
Flow (Dynamics)
Development and Application of a Multi-Disciplinary Multi-Regime Design Methodology of a Low-Noise Contra-Rotating Open-Rotor
GT 2015; V02CT45A019https://doi.org/10.1115/GT2015-43432
Topics:
Design methodology
,
Noise (Sound)
,
Rotors
,
Acoustics
,
Optimization
,
Design
,
Geometry
,
Noise control
,
Chain
,
Evolutionary algorithms