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Proceedings Papers
Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery
Front Matter
Turbomachinery: Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification
Constraint Handling in Bayesian Optimization -- A Comparative Study of Support Vector Machine, Augmented Lagrangian and Expected Feasible Improvement
GT 2021; V02DT36A003https://doi.org/10.1115/GT2021-58562
Topics:
Optimization
,
Support vector machines
,
Experimental design
,
Design
,
Disks
,
Pressure
,
Turbines
Axial-Radial Diffuser With Integrated Exhaust Hood for An Automotive Turbocharger With Axial Turbine
GT 2021; V02DT36A004https://doi.org/10.1115/GT2021-58600
Topics:
Diffusers
,
Exhaust systems
,
Turbines
,
Turbochargers
,
Design
,
Computational fluid dynamics
,
Steam turbines
,
Geometry
,
Inflow
,
Kinetic energy
Uncertainty Quantification of a Jet Engine Performance Model Under Scarce Data Availability
GT 2021; V02DT36A006https://doi.org/10.1115/GT2021-58604
Topics:
Jet engines
,
Uncertainty quantification
,
Manufacturing
,
Uncertainty
,
Design
,
Flow (Dynamics)
,
Probability
,
Gaussian distribution
,
Robustness
AI Assisted High Fidelity Multi-Physics Digital Twin of Industrial Gas Turbines
GT 2021; V02DT36A007https://doi.org/10.1115/GT2021-58925
Topics:
Industrial gases
,
Physics
,
Turbines
,
Manufacturing
,
Compressors
,
Gas turbines
,
Maintenance
,
Teams
,
Artificial neural networks
,
Blocks (Building materials)
Investigations on the Aerothermal Performance Uncertainty Quantification of the Turbine Blade Squealer Tip
GT 2021; V02DT36A008https://doi.org/10.1115/GT2021-59033
Topics:
Turbine blades
,
Uncertainty quantification
,
Design
,
Uncertainty
,
Geometry
,
Heat transfer
,
Rotors
,
Clearances (Engineering)
,
Film cooling
,
Heat flux
Coupling of Endwall and Aerofoil Optimisation on a Low-Speed Compressor Tandem Stator
GT 2021; V02DT36A009https://doi.org/10.1115/GT2021-59058
Topics:
Airfoils
,
Compressors
,
Optimization
,
Stators
,
Flow (Dynamics)
,
Geometry
,
Blades
,
Design
,
Shapes
,
Algorithms
Quantifying Model Uncertainties and Sensitivities in Parallel Compressor Models
GT 2021; V02DT36A010https://doi.org/10.1115/GT2021-59373
Topics:
Compressors
,
Uncertainty
,
Modeling
,
Errors
,
Inflow
,
Computational fluid dynamics
,
Engineering simulation
,
Sampling methods
,
Sensitivity analysis
,
Simulation
Optimization of an Additively Manufactured U-Bend Channel Using A Surrogate-Based Bayesian Method
GT 2021; V02DT36A011https://doi.org/10.1115/GT2021-59415
Topics:
Additive manufacturing
,
Optimization
,
Design
,
Shapes
,
Computational fluid dynamics
,
Pressure
,
Pressure drop
,
Cooling
,
Simulation
,
Turbulence
Probabilistic Approach for Optimizing Uncertainties of Input Variables to Reach a Desired Confidence Level
GT 2021; V02DT36A012https://doi.org/10.1115/GT2021-59442
Topics:
Uncertainty
,
Computational fluid dynamics
,
Boundary-value problems
,
Geometry
,
Compressors
,
Design
,
Jet engines
,
Measurement uncertainty
,
Sensors
Adjoint-Based Optimisation of Rocket Engine Turbine Blades
GT 2021; V02DT36A013https://doi.org/10.1115/GT2021-59580
Topics:
Optimization
,
Rocket engines
,
Turbine blades
,
Stators
,
Turbines
,
Design
,
Cycles
,
Flow (Dynamics)
,
Generators
,
Shape optimization
Stator Blades Manufacturing Geometrical Variability in Axial Compressors and Impact on the Aeroelastic Excitation Forces
GT 2021; V02DT36A014https://doi.org/10.1115/GT2021-59642
Topics:
Blades
,
Compressors
,
Excitation
,
Manufacturing
,
Stators
,
Uncertainty
,
Rotors
,
Algorithms
,
Annulus
,
Design
Improvement of Aerodynamic and Strength Characteristics of a Multi-Shaft Axial Turbine of a Turboshaft Engine
Grigorii Popov, Evgenii Goriachkin, Igor Egorov, Oleg Baturin, Anton Salnikov, Anastasia Solovieva, Yurii Zhurenkov
GT 2021; V02DT36A015https://doi.org/10.1115/GT2021-59682
Topics:
Engines
,
Optimization
,
Turbines
Using Autoencoders and Output Consolidation to Improve Machine Learning Models for Turbomachinery Applications
GT 2021; V02DT36A018https://doi.org/10.1115/GT2021-60158
Topics:
Machine learning
,
Turbomachinery
,
Optimization
,
Blades
,
Compressors
,
Design
,
Engineering simulation
,
Flow (Dynamics)
,
Fluid dynamics
,
Simulation
Multi-Physics Topology Optimization for Thermal-Flow Problems Applied to Additively Manufactured Heat Exchangers
GT 2021; V02DT36A019https://doi.org/10.1115/GT2021-60336
Topics:
Additive manufacturing
,
Flow (Dynamics)
,
Heat exchangers
,
Optimization
,
Physics
,
Topology
,
Workflow
,
Design
,
Fluids
,
Gas turbines
Turbomachinery: Radial Turbomachinery Aerodynamics
Retracted: “Aerodynamic Design and Rig Test Validation of a High Flow Coefficient Process Centrifugal Compressor Stage” [ASME Turbo Expo 2021: Turbomachinery Technical Conference and Exposition, Volume 2D, Virtual, Online, June 7–11, 2021, Conference Sponsors: International Gas Turbine Institute, ISBN: 978-0-7918-8493-5, Copyright © 2021 by ASME. Paper No. GT2021-04373, V02DT37A001; 14 pages; doi: 10.1115/GT2021-04373]
GT 2021; V02DT37A001https://doi.org/10.1115/GT2021-04373
Loss Characterization of Advanced VIGV Configurations With Adjustable Blade Geometry
GT 2021; V02DT37A002https://doi.org/10.1115/GT2021-58548
Topics:
Blades
,
Geometry
,
Flow (Dynamics)
,
Compressors
,
Cascades (Fluid dynamics)
,
Chords (Trusses)
,
Deflection
,
Flow separation
,
Impellers
,
Inlet guide vanes
Aeromechanical Optimization of Scalloping in Mixed Flow Turbines
GT 2021; V02DT37A004https://doi.org/10.1115/GT2021-58901
Topics:
Flow (Dynamics)
,
Optimization
,
Turbines
,
Design
,
Inertia (Mechanics)
,
Engines
,
Stress
,
Rotors
,
Transients (Dynamics)
,
Turbochargers
Experimental and Numerical Investigation of Vaned Hub and Shroud Wall Contoured Diffusers Designed to Improve Flexibility and Efficiency of an Open Impeller Centrifugal Compressor Stage
GT 2021; V02DT37A005https://doi.org/10.1115/GT2021-59255
Topics:
Compressors
,
Diffusers
,
Impellers
,
Design
,
Flow (Dynamics)
,
Computational fluid dynamics
,
Engineering simulation
,
Mach number
,
Pressure
,
Probes
A Detailed Loss Analysis Methodology for Centrifugal Compressors
GT 2021; V02DT37A006https://doi.org/10.1115/GT2021-59334
Topics:
Compressors
,
Design
,
Entropy
,
Optimization
Investigation of a Novel Turbine Housing to Produce a Non-Uniform Spanwise Flow Field at the Inlet to a Mixed Flow Turbine and Provide Variable Geometry Capabilities
GT 2021; V02DT37A007https://doi.org/10.1115/GT2021-59382
Topics:
Flow (Dynamics)
,
Geometry
,
Turbines
,
Design
,
Engines
,
Flow separation
,
Rotors
,
Transients (Dynamics)
,
Turbochargers
,
Automotive engines
Centrifugal Compressor Aero-Mechanical Design: A Machine Learning Approach
GT 2021; V02DT37A009https://doi.org/10.1115/GT2021-59473
Topics:
Compressors
,
Design
,
Machine learning
Comparison Study on Stage Performance of Centrifugal Compressors With Shrouded and Unshrouded Impellers
GT 2021; V02DT37A013https://doi.org/10.1115/GT2021-59902
Topics:
Compressors
,
Impellers
,
Blades
,
Clearances (Engineering)
,
Design
,
Geometry
,
Centrifugal force
,
Computational fluid dynamics
,
Flow (Dynamics)
,
Leakage
Experimental and Numerical Similitude Study Using a Novel Turbocompressor Test Facility Operating With Helium-Neon Gas Mixtures
GT 2021; V02DT37A016https://doi.org/10.1115/GT2021-60204
Topics:
Helium
,
Test facilities
,
Mach number
,
Reynolds number
,
Specific heat
,
Coolants
,
Engines
,
Heat transfer
,
Motors
Numerical Analysis of Non-Radial Blading in a Low Speed and Low Pressure Turbine for Electric Turbocompounding Applications
GT 2021; V02DT37A017https://doi.org/10.1115/GT2021-60239
Topics:
Numerical analysis
,
Pressure
,
Turbines
,
Design
,
Rotors
,
Blades
,
Computational fluid dynamics
,
Computer simulation
,
Fibers
,
Deformation
Turbomachinery: Unsteady Flows in Turbomachinery
Understanding the Dynamics of Critical Transitions in a Contra-Rotating Fan
GT 2021; V02DT39A004https://doi.org/10.1115/GT2021-58937
Topics:
Annulus
,
Design
,
Dynamics (Mechanics)
,
Fans
,
Flow (Dynamics)
,
Leakage
,
Rotors
,
Stress
,
Vortices
,
Waves
Mechanism of Circumferential Static Pressure Oscillation in a Centrifugal Compressor With Volute
GT 2021; V02DT39A006https://doi.org/10.1115/GT2021-59051
Topics:
Compressors
,
Oscillations
,
Pressure
,
Diffusers
,
Strips
,
Impellers
,
Flow (Dynamics)
,
Boundary-value problems
,
Pressure gradient
,
Air flow
Improved Prediction of Losses With Large Eddy Simulation in a Low-Pressure Turbine
GT 2021; V02DT39A007https://doi.org/10.1115/GT2021-59095
Topics:
Emission spectroscopy
,
Large eddy simulation
,
Pressure
,
Separation (Technology)
,
Spectroscopy
,
Turbines
,
Turbulence
,
Wakes
,
Flow (Dynamics)
,
Blades
Impact of Swirling Entropy Waves on a High Pressure Turbine
GT 2021; V02DT39A009https://doi.org/10.1115/GT2021-59598
Topics:
Entropy
,
High pressure (Physics)
,
Swirling flow
,
Turbines
,
Waves
,
Combustion chambers
,
Stators
,
Rotors
,
Temperature
,
Aerodynamic flow
Numerical Investigation on Propagation Characteristics of Inlet Total-Pressure Distortion in a Centrifugal Compressor
GT 2021; V02DT39A011https://doi.org/10.1115/GT2021-59921
Topics:
Compressors
,
Pressure
,
Flow (Dynamics)
,
Blades
,
Air flow
,
Annulus
,
Computer simulation
,
Impellers
,
Rotation
,
Suction
Analysis of the Loss Production Mechanism due to Cavity-Main Flow Interaction in a LPT Stage
GT 2021; V02DT39A012https://doi.org/10.1115/GT2021-59932
Topics:
Cavities
,
Flow (Dynamics)
,
Cavity flows
,
Rotors
,
Simulation
,
Pressure
,
Engines
,
Geometry
,
Inspection
,
Stators
Turbocharger Radial Turbine Response to Pulse Amplitude
GT 2021; V02DT39A013https://doi.org/10.1115/GT2021-59997
Topics:
Turbines
,
Turbochargers
,
Flow (Dynamics)
,
Heat transfer
,
Computer simulation
,
Eddies (Fluid dynamics)
,
Engines
,
Exergy
,
Exhaust manifolds
,
Exhaust systems