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Proceedings Papers

Digital Replicas of Low Pressure Steam Turbine Moving Blades - Assessment of Geometrical and Mechanical Quality Requirements Using Roboter-Assisted Optical Scanning

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A005, June 13–17, 2022

Paper No: GT2022-80464

DOI: https://doi.org/10.1115/GT2022-80464

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Topics: Blades, Pressure, Steam turbines, Inspection, Center of mass, Airfoils, Computer-aided design, Geometry, Optical measurement, Resonance

Proceedings Papers

Gradient Enhanced Kriging Using Modal Sensitivity Approximations in a Reduced Basis Space for As-Manufactured Airfoil Analysis

Jeffrey M. Brown, Emily B. Carper, Alex A. Kaszynski, Daniel L. Gillaugh, Joseph A. Beck

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A034, June 13–17, 2022

Paper No: GT2022-83402

DOI: https://doi.org/10.1115/GT2022-83402

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Topics: Airfoils, Approximation, Mode shapes, Displacement, Eigenvalues, Degrees of freedom, Geometry

Proceedings Papers

Robust Probabilistic Analysis of Deterioration-Induced Aeroelasticity in an Axial Turbine

Lennart Stania, Joerg R. Seume

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT25A006, June 13–17, 2022

Paper No: GT2022-82628

DOI: https://doi.org/10.1115/GT2022-82628

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Topics: Aeroelasticity, Turbines, Blades, Engineering simulation, Sensitivity analysis, Simulation, Vibration, Damping, High cycle fatigue, Airfoils

Proceedings Papers

Design of an Additively Manufactured Recuperator With 800 °C Inlet Temperature for sCO2 Power Cycle Application

Michael Marshall, Meysam Akbari, Ji-Cheng Zhao, Kevin Hoopes

Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A015, June 13–17, 2022

Paper No: GT2022-82301

DOI: https://doi.org/10.1115/GT2022-82301

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Topics: Additive manufacturing, Design, Temperature, Thermodynamic power cycles, Flow (Dynamics), Heat transfer, Lasers, Containment, Creep, Heat exchangers

Proceedings Papers

Mitigation of BLI Circumferential Distortion Using Non-Axisymmetric Fan Exit Guide Vanes

David Hall, Edward Greitzer, Choon Tan

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A031, June 13–17, 2022

Paper No: GT2022-82465

DOI: https://doi.org/10.1115/GT2022-82465

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Topics: Guide vanes, Flow (Dynamics), Rotors, Design, Stators, Boundary layers, Geometry, Tradeoffs

Proceedings Papers

Compressor Maps and Coupling: Symmetry, Geometry, and Universality

Benjamin Iwrey, Paul K. Johnson

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A044, June 13–17, 2022

Paper No: GT2022-83599

DOI: https://doi.org/10.1115/GT2022-83599

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Topics: Compressors, Geometry

Proceedings Papers

Leakage Flow Impact on Shrouded Stator Cavity Flow Topology and Associated High Speed Axial Compressor Stage Performance

Cedric Babin, Xavier Ottavy, Fabrizio Fontaneto

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A035, June 13–17, 2022

Paper No: GT2022-82868

DOI: https://doi.org/10.1115/GT2022-82868

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Topics: Cavity flows, Compressors, Leakage flows, Stators, Topology, Cavities, Design, Boundary layers, Engineering simulation, Fluid dynamics

Proceedings Papers

Numerical Analysis of Blade Platform Leakage in Axial Compressors

Jannik Petermann, Marvin Pommerening, Volker Gümmer, Bernd Becker

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A004, June 13–17, 2022

Paper No: GT2022-78443

DOI: https://doi.org/10.1115/GT2022-78443

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Topics: Blades, Compressors, Geometry, Leakage, Numerical analysis

Proceedings Papers

Effects of Ribbed Surfaces on Profile Losses of Low-Pressure-Turbine Blades

M. Dellacasagrande, D. Lengani, D. Simoni, M. Ubaldi, F. Bertini

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A029, June 13–17, 2022

Paper No: GT2022-82875

DOI: https://doi.org/10.1115/GT2022-82875

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Topics: Blades, Pressure, Turbines, Cascades (Fluid dynamics), Flat plates, Boundary layers, Dimensions, Geometry, Inflow, Pressure gradient

Proceedings Papers

Centrifugal Compressor Retrofit: Geometry Rebuild and 3-D Blade Shape Optimization

Norman Kienzle, Duc Huy Marco Hoang, Warren John Martis, Markus Moch, Christian Doetsch, Francesca di Mare

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A017, June 13–17, 2022

Paper No: GT2022-84204

DOI: https://doi.org/10.1115/GT2022-84204

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Topics: Blades, Compressors, Geometry, Retrofitting, Shape optimization, Design, Diffusers, Flow (Dynamics), Impellers, Optimization

Proceedings Papers

Particle Deposition on HPT Nozzle: Full 3D Investigation and Secondary Flows Effect

Nicola Casari, Stefano Oliani, Michele Pinelli, Alessio Suman, Mauro Carnevale

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT31A010, June 13–17, 2022

Paper No: GT2022-81715

DOI: https://doi.org/10.1115/GT2022-81715

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Topics: Flow (Dynamics), Nozzles, Particulate matter, Simulation, Adhesion, Extruding, Gas turbines, Geometry, High pressure (Physics), Machinery

Proceedings Papers

The Influence of Boundary Layer State and Trailing Edge Wedge Angle on the Aerodynamic Performance of Transonic Turbine Blades

A. D. Rossiter, G. Pullan, A. P. Melzer

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A025, June 13–17, 2022

Paper No: GT2022-82486

DOI: https://doi.org/10.1115/GT2022-82486

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Topics: Boundary layers, Turbine blades, Wedges, Pressure, Switches, Geometry, Vortex shedding, Airfoils, Design, Flow (Dynamics)

Proceedings Papers

Predicting and Validating Spatial Distributions of Particulate Deposition in Gas Turbine Components

Jack G. Gaskell, Nikul Vadgama, Florian Y. A. Villain, Simon Beal, Matthew McGilvray, David R. H. Gillespie, Benjamin Littley

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT31A004, June 13–17, 2022

Paper No: GT2022-79511

DOI: https://doi.org/10.1115/GT2022-79511

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Topics: Gas turbines, Particulate matter, Computational fluid dynamics, Modeling, Discrete element methods, Turbulence, Cooling, Collisions (Physics), Computer software, Damage

Proceedings Papers

Calculating Cooled Turbine Efficiency With Weighted Cooling Flow Distributions

Reid A. Berdanier

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A022, June 13–17, 2022

Paper No: GT2022-82365

DOI: https://doi.org/10.1115/GT2022-82365

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Topics: Cooling, Flow (Dynamics), Turbines, Accounting, Annulus, Energy efficiency, Engines, Geometry, High pressure (Physics), Pressure

Proceedings Papers

Numerical Investigation on Radial Turbines Aerodynamics Aimed at the Definition of Design Rules for Industrial Applications

Fabrizio Lottini, Michele Marconcini, Andrea Arnone, Davide Biliotti, Lorenzo Toni

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A009, June 13–17, 2022

Paper No: GT2022-82266

DOI: https://doi.org/10.1115/GT2022-82266

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Topics: Aerodynamics, Design, Turbines, Metals, Wheels, Geometry, Stiffness, Flow (Dynamics), Turbochargers, Computational fluid dynamics

Proceedings Papers

Assessment of Low Engine Order Excitation of a Contaminated Turbocharger Radial Turbine Stage Using a Nozzle Ring Only Computational Model

Michaela R. Beierl, Damian M. Vogt, Magnus Fischer, Tobias R. Müller, Kwok Kai So

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A013, June 13–17, 2022

Paper No: GT2022-82452

DOI: https://doi.org/10.1115/GT2022-82452

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Topics: Computer simulation, Engines, Excitation, Nozzles, Turbines, Turbochargers, High cycle fatigue, Blades, Combustion, Contamination

Proceedings Papers

Design Sensitivity of a 1-1/2 Stage Unshrouded High Work Turbine Using Very-Large Eddy Simulations

Ignacio Gonzalez-Martino

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A034, June 13–17, 2022

Paper No: GT2022-84281

DOI: https://doi.org/10.1115/GT2022-84281

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Topics: Design, Eddies (Fluid dynamics), Simulation, Turbines, Blades, Pressure, Rotors, Boundary layer turbulence, Computer simulation, Flow (Dynamics)

Proceedings Papers

The Influence of Combustor Hot Streaks on the Aerodynamic Performance of a Turbine Center Frame

Ena Badžek, Marios Patinios, Federica Farisco, Franz Heitmeir, Emil Göttlich

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A010, June 13–17, 2022

Paper No: GT2022-82399

DOI: https://doi.org/10.1115/GT2022-82399

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Topics: Combustion chambers, Turbines, Temperature, Engines, Flow (Dynamics), Cascades (Fluid dynamics), Generators, Geometry, High pressure (Physics), Machine dynamics

Proceedings Papers

Numerical Simulation of Multi-Scale Oil Films on a Rotating Cup Using VOF and Coupled Eulerian Thin-Film-DPM Approaches

A. Nicoli, K. Singh, R. Jefferson-Loveday, S. Ambrose, S. Mouvanal

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A033, June 13–17, 2022

Paper No: GT2022-82533

DOI: https://doi.org/10.1115/GT2022-82533

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Topics: Bearings, Computer simulation, Drops, Engineering simulation, Engines, Film thickness, Flow (Dynamics), Fluids, Gas turbines, Geometry

Proceedings Papers

New Concept for Design in Turbomachinery Applications using Full RANS Gradient Methodology

Armando Del Rio, Ernesto Casartelli, Benno Fleischli, Luca Mangani

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A046, June 13–17, 2022

Paper No: GT2022-84035

DOI: https://doi.org/10.1115/GT2022-84035

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Topics: Design, Reynolds-averaged Navier–Stokes equations, Turbomachinery, Diffusers, Turbulence, Flow (Dynamics), Compressors, Computational fluid dynamics, Deformation, Impellers

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NARROW

Digital Replicas of Low Pressure Steam Turbine Moving Blades - Assessment of Geometrical and Mechanical Quality Requirements Using Roboter-Assisted Optical Scanning

Gradient Enhanced Kriging Using Modal Sensitivity Approximations in a Reduced Basis Space for As-Manufactured Airfoil Analysis

Robust Probabilistic Analysis of Deterioration-Induced Aeroelasticity in an Axial Turbine

Design of an Additively Manufactured Recuperator With 800 °C Inlet Temperature for sCO2 Power Cycle Application

Mitigation of BLI Circumferential Distortion Using Non-Axisymmetric Fan Exit Guide Vanes

Compressor Maps and Coupling: Symmetry, Geometry, and Universality

Leakage Flow Impact on Shrouded Stator Cavity Flow Topology and Associated High Speed Axial Compressor Stage Performance

Numerical Analysis of Blade Platform Leakage in Axial Compressors

Effects of Ribbed Surfaces on Profile Losses of Low-Pressure-Turbine Blades

Centrifugal Compressor Retrofit: Geometry Rebuild and 3-D Blade Shape Optimization

Particle Deposition on HPT Nozzle: Full 3D Investigation and Secondary Flows Effect

The Influence of Boundary Layer State and Trailing Edge Wedge Angle on the Aerodynamic Performance of Transonic Turbine Blades

Predicting and Validating Spatial Distributions of Particulate Deposition in Gas Turbine Components

Calculating Cooled Turbine Efficiency With Weighted Cooling Flow Distributions

Numerical Investigation on Radial Turbines Aerodynamics Aimed at the Definition of Design Rules for Industrial Applications

Assessment of Low Engine Order Excitation of a Contaminated Turbocharger Radial Turbine Stage Using a Nozzle Ring Only Computational Model

Design Sensitivity of a 1-1/2 Stage Unshrouded High Work Turbine Using Very-Large Eddy Simulations

The Influence of Combustor Hot Streaks on the Aerodynamic Performance of a Turbine Center Frame

Numerical Simulation of Multi-Scale Oil Films on a Rotating Cup Using VOF and Coupled Eulerian Thin-Film-DPM Approaches

New Concept for Design in Turbomachinery Applications using Full RANS Gradient Methodology

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