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Proceedings Papers

Interface Reduction in an Equivalent Linearization Algorithm for Nonlinearly Coupled Systems Under Random Excitation

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A001, June 13–17, 2022

Paper No: GT2022-78367

DOI: https://doi.org/10.1115/GT2022-78367

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Topics: Algorithms, Approximation, Couplings, Degrees of freedom, Disks, Dynamics (Mechanics), Excitation, Manufacturing, Polynomials, Random excitation

Proceedings Papers

A Reduction Technique for the Calculation of the Forced Response of Bladed Disks in Presence of Contact Mistuning at Blade Root Joints

Valeria Pinto, Giuseppe Battiato, Christian M. Firrone

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A031, June 13–17, 2022

Paper No: GT2022-83289

DOI: https://doi.org/10.1115/GT2022-83289

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Topics: Blades, Disks, Manufacturing, Computer software, Degrees of freedom, Design, Engineering simulation, Finite element analysis, Simulation, Uncertainty

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

PDA Laser Measurements of Droplet-Laden Flows in a Four Stage Axial Compressor

Tobias Doerr, Sebastian Schuster, Dieter Brillert

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A007, June 13–17, 2022

Paper No: GT2022-80284

DOI: https://doi.org/10.1115/GT2022-80284

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Topics: Compressors, Drops, Flow (Dynamics), Lasers, Laser beams, Liquid films, Air flow, Aircraft engines, Blades, Boundary layers

Proceedings Papers

High-Order Spectral/hp Compressible and Incompressible Comparison of Transitional Boundary-Layers Subject to a Realistic Pressure Gradient and High Reynolds Number

Guglielmo Vivarelli, João Anderson Isler, Francesco Montomoli, Spencer J. Sherwin, Paolo Adami

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A024, June 13–17, 2022

Paper No: GT2022-82100

DOI: https://doi.org/10.1115/GT2022-82100

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Topics: Boundary layers, Pressure gradient, Reynolds number, Flow (Dynamics), Turbulence, Bubbles, Compressibility, Compressible flow, Computer simulation, Cross-flow

Proceedings Papers

Select Trade-Offs in Parallel Hybrid Turboprop Cycle Design

Michael Sielemann, Mavroudis D. Kavvalos, Nithish Selvan, Jim Claesson, Konstantinos Kyprianidis

Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A014, June 13–17, 2022

Paper No: GT2022-81629

DOI: https://doi.org/10.1115/GT2022-81629

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Topics: Cycles, Design, Tradeoffs, Gas turbines, Machinery, Aircraft, Electricity (Physics), Fuel consumption, Propellers, Turbines

Proceedings Papers

Estimation of Dynamical Thermoacoustic Modes Using an Output Only Observer Kalman Filter-Based Identification (O 3 KID) Algorithm

Nikhil Balasubramanian, Driek Rouwenhorst, Jakob Hermann

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T05A001, June 13–17, 2022

Paper No: GT2022-80650

DOI: https://doi.org/10.1115/GT2022-80650

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Topics: Algorithms, Filters, Modeling, Dynamics (Mechanics), Noise (Sound), Combustion, Kalman filters, Combustion chambers, Damping, Gas turbines

Proceedings Papers

A Dedicated Model Reduction Method for Turbo-Machines Using a Critical Speed Subspace

Francesco D’Alessandro, Hugo Festjens, Gael Chevallier, Scott Cogan, Tariq Benamara, Caroline Sainvitu

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A002, June 13–17, 2022

Paper No: GT2022-79691

DOI: https://doi.org/10.1115/GT2022-79691

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Topics: Turbomachinery, Finite element model, Degrees of freedom, Engineering simulation, Machinery, Modeling, Shapes, Simulation

Proceedings Papers

Turbine Endwall Contouring Through Advanced Optimization Techniques

Matteo Burigana, Tom Verstraete, Sergio Lavagnoli

Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A012, June 13–17, 2022

Paper No: GT2022-82144

DOI: https://doi.org/10.1115/GT2022-82144

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Topics: Optimization, Turbines, Design, Engines, Blades, Flow (Dynamics), High pressure (Physics), Parametrization, Rotors, Boundary-value problems

Proceedings Papers

Aerodynamic Optimization of the SRV2 Radial Compressor Using an Adjoint-Based Optimization Method

Arnaud Châtel, Tom Verstraete

Paper No: GT2022-82530

DOI: https://doi.org/10.1115/GT2022-82530

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Topics: Compressors, Optimization, Design, Algorithms, Compressor impellers, Degrees of freedom, Flow (Dynamics), Quadratic programming, Reynolds-averaged Navier–Stokes equations, Tradeoffs

Proceedings Papers

Aeromechanical Optimization of Scalloping in Mixed Flow Turbines

Matthew Elliott, Stephen Spence, Martin Seiler, Marco Geron

Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A004, June 7–11, 2021

Paper No: GT2021-58901

DOI: https://doi.org/10.1115/GT2021-58901

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Topics: Flow (Dynamics), Optimization, Turbines, Design, Inertia (Mechanics), Engines, Stress, Rotors, Transients (Dynamics), Turbochargers

Proceedings Papers

Aerodynamic Mitigation of Mechanical Constraints in Small Compressor Blade Profiles

Tony Dickens, James Taylor, Chris Hall, Rob Miller

Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A032, June 7–11, 2021

Paper No: GT2021-59452

DOI: https://doi.org/10.1115/GT2021-59452

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Topics: Blades, Compressors, Degrees of freedom, Shapes, Aircraft, Airfoils, Computational fluid dynamics, Design, Flow (Dynamics), Flow turning

Proceedings Papers

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

Florence Nyssen, Alain Batailly

Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A017, June 7–11, 2021

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

Influence of Working Fluid Composition on the Optimum Characteristics of Blended Supercritical Carbon Dioxide Cycles

F. Crespi, G. S. Martínez, P. Rodriguez de Arriba, D. Sánchez, F. Jiménez-Espadafor

Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A030, June 7–11, 2021

Paper No: GT2021-60293

DOI: https://doi.org/10.1115/GT2021-60293

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Topics: Cycles, Fluids, Supercritical carbon dioxide, Carbon dioxide, Temperature, Concentrating solar power, Thermal efficiency, Thermodynamic power cycles, Compressors, Degrees of freedom

Proceedings Papers

Development of a Multi-Shaker-Control to Investigate the Influence of the Interblade Phase Angle on Frictionally Damped Turbine Blades

Florian Jäger, Ferhat Kaptan, Lars Panning-Von Scheidt, Jörg Wallaschek

Paper No: GT2021-59272

DOI: https://doi.org/10.1115/GT2021-59272

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Topics: Blades, Control algorithms, Control systems, Dampers, Damping, Degrees of freedom, Friction, Mode shapes, Stress, Turbine blades

Proceedings Papers

Topology Optimization of High Aspect Ratio Internal Cooling Channels As a Design for Additive Manufacturing

Shinjan Ghosh, Jayanta S. Kapat

Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A030, September 21–25, 2020

Paper No: GT2020-16032

DOI: https://doi.org/10.1115/GT2020-16032

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Topics: Additive manufacturing, Cooling, Design, Optimization, Topology, Fluids, Heat transfer, Blades, Gas turbines, Porosity

Proceedings Papers

An Experimental and Modelling Strategy for Obtaining Complete Characteristic Maps of Dual-Volute Radial Inflow Turbines

José Ramón Serrano, Francisco José Arnau Martínez, Luis Miguel García-Cuevas, Vishnu Samala, Stephane Guilain, Samuel Batard

Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T20A010, September 21–25, 2020

Paper No: GT2020-14802

DOI: https://doi.org/10.1115/GT2020-14802

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Topics: Inflow, Modeling, Turbines, Flow (Dynamics), Turbocharged engines, Blades, Degrees of freedom, Engines, Exhaust systems, Gasdynamics

Proceedings Papers

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO 2 Turbomachinery: Experimental Evaluation and Fluid-Structure Model Predictions

Bugra Ertas, Keith Gary, Adolfo Delgado

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A018, September 21–25, 2020

Paper No: GT2020-14964

DOI: https://doi.org/10.1115/GT2020-14964

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Topics: Additive manufacturing, Fluids, Thrust bearings, Turbomachinery, Stress, Bearings, Pressure, Hydrostatics, Thrust, Deflection

Proceedings Papers

Numerical Investigation of Rotor and Journal Bearing Parameters on Nonlinear Vibration of a Highly Flexible Rotor Considering Journal Angular Motion With Experimental Verification

Nuntaphong Koondilogpiboon, Tsuyoshi Inoue

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A006, September 21–25, 2020

Paper No: GT2020-14254

DOI: https://doi.org/10.1115/GT2020-14254

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Topics: Journal bearings, Nonlinear vibration, Rotors, Bearings, Bifurcation, Disks, Limit cycles, Degrees of freedom, Finite element analysis, Rolling bearings

Proceedings Papers

Preliminary Study of a Centrifugal Compressor With Counter-Rotating Impellers: Design and Performances Study

Abed Cheikh Brahim, Khelladi Sofiane, Deligant Michael, El Marjani Abdel, Farid Bakir

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A025, September 21–25, 2020

Paper No: GT2020-15860

DOI: https://doi.org/10.1115/GT2020-15860

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Topics: Compressors, Design, Impellers, Machinery, Turbomachinery, Computer simulation, Degrees of freedom, Diffusers, Engineering design processes, Flow (Dynamics)

NARROW

Interface Reduction in an Equivalent Linearization Algorithm for Nonlinearly Coupled Systems Under Random Excitation

A Reduction Technique for the Calculation of the Forced Response of Bladed Disks in Presence of Contact Mistuning at Blade Root Joints

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

PDA Laser Measurements of Droplet-Laden Flows in a Four Stage Axial Compressor

High-Order Spectral/hp Compressible and Incompressible Comparison of Transitional Boundary-Layers Subject to a Realistic Pressure Gradient and High Reynolds Number

Select Trade-Offs in Parallel Hybrid Turboprop Cycle Design

Estimation of Dynamical Thermoacoustic Modes Using an Output Only Observer Kalman Filter-Based Identification (O 3 KID) Algorithm

A Dedicated Model Reduction Method for Turbo-Machines Using a Critical Speed Subspace

Turbine Endwall Contouring Through Advanced Optimization Techniques

Aerodynamic Optimization of the SRV2 Radial Compressor Using an Adjoint-Based Optimization Method

Aeromechanical Optimization of Scalloping in Mixed Flow Turbines

Aerodynamic Mitigation of Mechanical Constraints in Small Compressor Blade Profiles

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

Influence of Working Fluid Composition on the Optimum Characteristics of Blended Supercritical Carbon Dioxide Cycles

Development of a Multi-Shaker-Control to Investigate the Influence of the Interblade Phase Angle on Frictionally Damped Turbine Blades

Topology Optimization of High Aspect Ratio Internal Cooling Channels As a Design for Additive Manufacturing

An Experimental and Modelling Strategy for Obtaining Complete Characteristic Maps of Dual-Volute Radial Inflow Turbines

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO 2 Turbomachinery: Experimental Evaluation and Fluid-Structure Model Predictions

Numerical Investigation of Rotor and Journal Bearing Parameters on Nonlinear Vibration of a Highly Flexible Rotor Considering Journal Angular Motion With Experimental Verification

Preliminary Study of a Centrifugal Compressor With Counter-Rotating Impellers: Design and Performances Study

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