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Proceedings Papers

Manufacturing Technologies for Fir Tree Slots: A Technological and Economic Evaluation

Lukas Heidemanns, Tobias Seelbach, Ugur Küpper, Martin Seimann, Thomas Bergs

Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T17A014, June 7–11, 2021

Paper No: GT2021-59652

DOI: https://doi.org/10.1115/GT2021-59652

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Topics: Economic analysis, Electrical discharge machining, Machining, Manufacturing technology, Wire, Geometry, Manufacturing, Disks, Engines, Cutting tools

Proceedings Papers

A Quantitative Approach for the Estimation of the Fouling Rate on the Stationary Parts of a Multistage Test Compressor

Alessandro Vulpio, Alessio Suman, Nicola Casari, Michele Pinelli

Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T20A012, June 7–11, 2021

Paper No: GT2021-59449

DOI: https://doi.org/10.1115/GT2021-59449

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Topics: Compressors, Particulate matter, Computational fluid dynamics, Computer simulation, Contamination, Design, Economics , Engineering simulation, Engines, Flow (Dynamics)

Proceedings Papers

Washing Effectiveness Assessment of Different Cleaners on a Small-Scale Multistage Compressor

Alessandro Vulpio, Alessio Suman, Nicola Casari, Michele Pinelli, Craig Appleby, Simon Kyte

Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T20A013, June 7–11, 2021

Paper No: GT2021-59455

DOI: https://doi.org/10.1115/GT2021-59455

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Topics: Compressors, Particulate matter, Fluids, Gas turbines, Blades, Drops, Engines, Soot, Axial flow, Filters

Proceedings Papers

Experimental and Numerical Study for Improved Understanding of Mixed-Convection Type of Flows in Turbine Casing Cavities During Shut-Down Regimes

Oguzhan Murat, Budimir Rosic, Koichi Tanimoto, Ryo Egami

Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A008, June 7–11, 2021

Paper No: GT2021-59135

DOI: https://doi.org/10.1115/GT2021-59135

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Topics: Cavities, Flow (Dynamics), Mixed convection, Turbines, Computational fluid dynamics, Engines, Natural convection, Convection, Cooling, Cross-flow

Proceedings Papers

Forced Response Excitation of a Compressor Stator Owing to Shock Wave Induced by Adjacent Rotor Blade

Toshimasa Miura, Naoto Sakai, Naoki Kanazawa, Kentaro Nakayama

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A010, June 7–11, 2021

Paper No: GT2021-59147

DOI: https://doi.org/10.1115/GT2021-59147

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Topics: Blades, Compressors, Excitation, Rotors, Shock waves, Stators, Fluids, Simulation, Fluid structure interaction, Vibration

Proceedings Papers

Global Stability Analysis of an Academic Rotor/Stator Cavity Subject to Periodic and Simple Wall Oscillations

Mark Noun, Laurent Gicquel, Gabriel Staffelbach

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A012, June 7–11, 2021

Paper No: GT2021-59188

DOI: https://doi.org/10.1115/GT2021-59188

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Topics: Cavities, Oscillations, Rotors, Stability, Stators, Flow (Dynamics), Fluids, Engines, Blades, Disks

Proceedings Papers

On the Forced Response Predictions and Life Improvements of an Industrial Axial Compressor Rotor Blade

Senthil Krishnababu, Giuseppe Bruni, Agnieszka Frach

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A007, June 7–11, 2021

Paper No: GT2021-58923

DOI: https://doi.org/10.1115/GT2021-58923

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Topics: Blades, Compressors, Rotors, Design, Engines, Excitation, High cycle fatigue, Resonance, Computation, Cycles

Proceedings Papers

A Novel Hybrid Seal: Design and Experimental Validation on a High Pressure Rotordynamic Test Rig

Giuseppe Vannini, Benjamin Defoy, Manjush Ganiger, Carlo Mazzali

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A016, June 7–11, 2021

Paper No: GT2021-59371

DOI: https://doi.org/10.1115/GT2021-59371

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Topics: Design, High pressure (Physics), Honeycomb structures, Pistons, Pressure, Compressors, Computational fluid dynamics, Control equipment, Dampers, Engines

Proceedings Papers

Analysis of Loading and Vibration Histories on Natural Frequencies and Modal Damping of Blades With Friction at Root Contact Interfaces

Junjie Chen, Chaoping Zang, Biao Zhou, E. P. Petrov

Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A013, June 7–11, 2021

Paper No: GT2021-58985

DOI: https://doi.org/10.1115/GT2021-58985

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Topics: Blades, Damping, Friction, Vibration, Disks, Engines, Flight, Rotation, Stress, Cycles

Proceedings Papers

Accurate Interpolation of the Dependency of Modal Properties on the Rotation Speed for the Transient Response Analysis of Bladed Disks

Jing Tong, Chaoping Zang, E. P. Petrov

Paper No: GT2021-58982

DOI: https://doi.org/10.1115/GT2021-58982

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Topics: Disks, Interpolation, Rotation, Transients (Dynamics), Mode shapes, Vibration, Engines, Finite element analysis, Gas turbines, Modeling

Proceedings Papers

Assessment of Geometric Nonlinearities Influence on NASA Rotor 37 Response to Blade Tip/Casing Rubbing Events

Elise Delhez, Florence Nyssen, Jean-Claude Golinval, Alain Batailly

Paper No: GT2021-58931

DOI: https://doi.org/10.1115/GT2021-58931

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Topics: Blades, NASA, Rotors, Coating processes, Coatings, Compressors, Engines, Stiffness, Wear

Proceedings Papers

Investigation on the Robustness of Rotor/Stator Contact Interactions With Respect to Small Mistuning

Florence Nyssen, Alain Batailly

Paper No: GT2021-59216

DOI: https://doi.org/10.1115/GT2021-59216

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Topics: Robustness, Rotors, Stators, Blades, Degrees of freedom, Disks, Design, Engineering simulation, Engines, Excitation

Proceedings Papers

A Dynamic Systems Based Approach to Estimate Cyclic and Creep Damage of a Power Turbine Blade Subjected to a Random Transient Operation

Dipankar Dua, Quang Le, Anthony Saladino, Deepak Thirumurthy, Jaskirat Singh

Paper No: GT2021-59390

DOI: https://doi.org/10.1115/GT2021-59390

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Topics: Creep, Damage, Dynamic systems, Transients (Dynamics), Turbine blades, Engines, Stress, Instrumentation, Turbine components, Turbines

Proceedings Papers

Design and Tests of a New Damper for a Gas Turbine Thin-Shell Duct

Serena Gabriele, Paolo Di Sisto, Giuseppe Del Vescovo, Conti Simone

Paper No: GT2021-58919

DOI: https://doi.org/10.1115/GT2021-58919

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Topics: Dampers, Design, Ducts, Gas turbines, Thin shells, Flow (Dynamics), Finite element analysis, High cycle fatigue, Turbines, Bolted joints

Proceedings Papers

Modeling and Testing of a Novel Ultra-Low Temperature sCO2 Opposing Piston Expander

Joshua Schmitt, Jordan Nielson

Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A027, June 7–11, 2021

Paper No: GT2021-60251

DOI: https://doi.org/10.1115/GT2021-60251

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Topics: Modeling, Pistons, Temperature, Testing, Cycles, Brayton cycle, Cylinders, Cylinder tests (Concrete), Energy generation, Engines

Proceedings Papers

Data-Driven Approach for Identifying Mistuning in As-Manufactured Blisks

Sean T. Kelly, Andrea Lupini, Bogdan I. Epureanu

Paper No: GT2021-59887

DOI: https://doi.org/10.1115/GT2021-59887

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Topics: Artificial neural networks, Blades, Cantilevers, Computational methods, Damping, Density, Disks, Dynamics (Mechanics), Engines, Excitation

Proceedings Papers

Technological Choices for Vibratory Robustness of Turbine Bladed Disk

Mathieu Herran, Marc Dijoud, Christophe Colette

Paper No: GT2021-04281

DOI: https://doi.org/10.1115/GT2021-04281

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Topics: Disks, Robustness, Turbines, Engines, Rotors, Gas turbines, Stress, Blades, Dampers, Disperse systems

Proceedings Papers

Experimental and Numerical Similitude Study Using a Novel Turbocompressor Test Facility Operating With Helium-Neon Gas Mixtures

Maxime Podeur, Damian M. Vogt

Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A016, June 7–11, 2021

Paper No: GT2021-60204

DOI: https://doi.org/10.1115/GT2021-60204

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Topics: Helium, Test facilities, Mach number, Reynolds number, Specific heat, Coolants, Engines, Heat transfer, Motors

Proceedings Papers

Highly Resolved Simulations of a CDA Compressor Cascade: Effect of Reynolds Number on Losses

John Leggett, Richard D. Sandberg

Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A009, June 7–11, 2021

Paper No: GT2021-58665

DOI: https://doi.org/10.1115/GT2021-58665

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Topics: Cascades (Fluid dynamics), Compressors, Engineering simulation, Reynolds number, Simulation, Blades, Geometry, Wakes, Airfoils, Boundary layers

Proceedings Papers

High-Fidelity Simulations of a High-Pressure Turbine Stage: Effects of Reynolds Number and Inlet Turbulence

Yaomin Zhao, Richard D. Sandberg

Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A004, June 7–11, 2021

Paper No: GT2021-58995

DOI: https://doi.org/10.1115/GT2021-58995

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Topics: Engineering simulation, High pressure (Physics), Reynolds number, Simulation, Turbines, Turbulence, Rotors, Wakes, Blades, Flow (Dynamics)

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NARROW

Manufacturing Technologies for Fir Tree Slots: A Technological and Economic Evaluation

A Quantitative Approach for the Estimation of the Fouling Rate on the Stationary Parts of a Multistage Test Compressor

Washing Effectiveness Assessment of Different Cleaners on a Small-Scale Multistage Compressor

Experimental and Numerical Study for Improved Understanding of Mixed-Convection Type of Flows in Turbine Casing Cavities During Shut-Down Regimes

Forced Response Excitation of a Compressor Stator Owing to Shock Wave Induced by Adjacent Rotor Blade

Global Stability Analysis of an Academic Rotor/Stator Cavity Subject to Periodic and Simple Wall Oscillations

On the Forced Response Predictions and Life Improvements of an Industrial Axial Compressor Rotor Blade

A Novel Hybrid Seal: Design and Experimental Validation on a High Pressure Rotordynamic Test Rig

Analysis of Loading and Vibration Histories on Natural Frequencies and Modal Damping of Blades With Friction at Root Contact Interfaces

Accurate Interpolation of the Dependency of Modal Properties on the Rotation Speed for the Transient Response Analysis of Bladed Disks

Assessment of Geometric Nonlinearities Influence on NASA Rotor 37 Response to Blade Tip/Casing Rubbing Events

Investigation on the Robustness of Rotor/Stator Contact Interactions With Respect to Small Mistuning

A Dynamic Systems Based Approach to Estimate Cyclic and Creep Damage of a Power Turbine Blade Subjected to a Random Transient Operation

Design and Tests of a New Damper for a Gas Turbine Thin-Shell Duct

Modeling and Testing of a Novel Ultra-Low Temperature sCO2 Opposing Piston Expander

Data-Driven Approach for Identifying Mistuning in As-Manufactured Blisks

Technological Choices for Vibratory Robustness of Turbine Bladed Disk

Experimental and Numerical Similitude Study Using a Novel Turbocompressor Test Facility Operating With Helium-Neon Gas Mixtures

Highly Resolved Simulations of a CDA Compressor Cascade: Effect of Reynolds Number on Losses

High-Fidelity Simulations of a High-Pressure Turbine Stage: Effects of Reynolds Number and Inlet Turbulence

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