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Proceedings Papers

Calculation of Nonlinear Systems Under Narrow Band Excitation Using Equivalent Linearization and Path Continuation

Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A003, June 7–11, 2021

Paper No: GT2021-58437

DOI: https://doi.org/10.1115/GT2021-58437

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Topics: Excitation, Nonlinear systems, Random excitation, Vibration, Structural analysis, Structural mechanics, Turbine blades, Turbomachinery, White noise

Proceedings Papers

Factors of Influence on the Leakage of Brush Seals

Alexander Fuchs, Johann Göttler, Oskar J. Haidn

Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A005, September 21–25, 2020

Paper No: GT2020-14189

DOI: https://doi.org/10.1115/GT2020-14189

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Topics: Leakage, Flow (Dynamics), Fluid dynamics, Fluid structure interaction, Modeling, Sealing (Process), Structural analysis, Structural mechanics

Proceedings Papers

Improved Quality Assessment of Probabilistic Simulations and Application to Turbomachinery

Andriy Prots, Lars Högner, Matthias Voigt, Ronald Mailach, Florian Danner

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT38A027, September 21–25, 2020

Paper No: GT2020-16147

DOI: https://doi.org/10.1115/GT2020-16147

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Topics: Simulation, Turbomachinery, Blades, Computational fluid dynamics, Accounting, Aerospace engineering, Computer software, Errors, Mechanical efficiency, Rotors

Proceedings Papers

A Deep Insight Into the Transonic Flow of an Advanced Centrifugal Compressor Design

D. Wittrock, M. Junker, M. Beversdorff, A. Peters, E. Nicke

Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT44A005, June 17–21, 2019

Paper No: GT2019-90308

DOI: https://doi.org/10.1115/GT2019-90308

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Topics: Compressors, Design, Transonic flow, Inflow, Flow (Dynamics), Impellers, Blades, Lasers, Manufacturing, Numerical analysis

Proceedings Papers

The Effect of Rated Climb Performance on Low Cycle Fatigue of a Civil Turbojet Engine

Jonas König, Matthias Weißschuh, Sven von Ende, Stephan Staudacher

Proc. ASME. GT2019, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Honors and Awards, V001T01A019, June 17–21, 2019

Paper No: GT2019-91190

DOI: https://doi.org/10.1115/GT2019-91190

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Topics: Engines, Low cycle fatigue, Turbojets, Aircraft, Disks, Maintenance, Temperature, Cycles, Engineering standards, Flight

Proceedings Papers

Optimization of a 900 mm Tilting-Pad Journal Bearing in Large Steam Turbines by Advanced Modeling and Validation

Ümit Mermertas, Thomas Hagemann, Clément Brichart

Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A035, June 11–15, 2018

Paper No: GT2018-76766

DOI: https://doi.org/10.1115/GT2018-76766

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Topics: Journal bearings, Modeling, Optimization, Steam turbines, Bearings, Rotors, Temperature, Clearances (Engineering), Computation, Computer software

Proceedings Papers

Rotordynamic Characterization of Labyrinth Seals in Steam Turbines: Effects of Thermal and Mechanical Loads

Filippo Cangioli, Steven Chatterton, Paolo Pennacchi, Leonardo Nettis, Lorenzo Ciuchicchi, Andrea Vania, Giuseppe Vannini

Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A001, June 11–15, 2018

Paper No: GT2018-75009

DOI: https://doi.org/10.1115/GT2018-75009

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Topics: Steam turbines, Stress, Flow (Dynamics), Machinery, Stability, Annulus, Centrifugal force, Clearances (Engineering), Geometry, Heat transfer

Proceedings Papers

A Newly Improved Collaborative Optimization Strategy: Application to Conceptual Multidisciplinary Design Optimization of a Civil Aero-Engine

Cheng Yan, Zeyong Yin, Fushui Guo, Xiuli Shen, Jun Fan, Ju Luo

Proc. ASME. GT2017, Volume 2C: Turbomachinery, V02CT47A015, June 26–30, 2017

Paper No: GT2017-64177

DOI: https://doi.org/10.1115/GT2017-64177

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Topics: Aircraft engines, Design, Optimization, Pressure, Engineering disciplines, Turbines, Structural analysis, Structural mechanics, Aerodynamics, Algorithms

Proceedings Papers

Optimizing Surge Margin and Efficiency of a Transonic Compressor

Georgios Goinis, Eberhard Nicke

Proc. ASME. GT2016, Volume 2A: Turbomachinery, V02AT37A048, June 13–17, 2016

Paper No: GT2016-57896

DOI: https://doi.org/10.1115/GT2016-57896

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Topics: Compressors, Surges, Geometry, Rotors, Design, Blades, Boundary-value problems, Computational fluid dynamics, Flow (Dynamics), Optimization

Proceedings Papers

Coupled Multi-Disciplinary Simulation of Composite Engine Structures in Propulsion Environment

Christos C. Chamis, Surendra N. Singhal

Proc. ASME. GT1992, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education, V005T14A001, June 1–4, 1992

Paper No: 92-GT-006

DOI: https://doi.org/10.1115/92-GT-006

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Topics: Composite materials, Engines, Propulsion, Simulation, Acoustics, Blades, Noise (Sound), Vibration, Aircraft engines, Fibers

Proceedings Papers

Measurement and Prediction of the Static Operating Conditions of a Large Turbine Tilting-Pad Bearing Under High Circumferential Speeds and Heavy Loads

Thomas Hagemann, Sebastian Kukla, Hubert Schwarze

Proc. ASME. GT2013, Volume 7B: Structures and Dynamics, V07BT30A019, June 3–7, 2013

Paper No: GT2013-95004

DOI: https://doi.org/10.1115/GT2013-95004

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Topics: Bearings, Stress, Turbines, Temperature, Pressure, Clearances (Engineering), Computer software, Deformation, Film thickness, Flow (Dynamics)

Proceedings Papers

Full Design of a Highly Loaded and Compact Contra-Rotating Fan Using Multidisciplinary Evolutionary Optimization

Michael Joly, Tom Verstraete, Guillermo Paniagua

Proc. ASME. GT2013, Volume 6B: Turbomachinery, V06BT43A009, June 3–7, 2013

Paper No: GT2013-94433

DOI: https://doi.org/10.1115/GT2013-94433

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Topics: Design, Optimization, Computational fluid dynamics, Flow (Dynamics), Rotors, Fans, Pareto optimization, Algorithms, Machinery, Pressure

Proceedings Papers

Full Design of a Highly Loaded Fan by Multi-Objective Optimization of Through-Flow and High-Fidelity Aero-Mechanical Performances

Michael Joly, Tom Verstraete, Guillermo Paniagua

Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 2293-2301, June 11–15, 2012

Paper No: GT2012-69686

DOI: https://doi.org/10.1115/GT2012-69686

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Topics: Design, Flow (Dynamics), Pareto optimization, Optimization, Computational fluid dynamics, Algorithms, Axial flow, Compressors, Design methodology, Fluids

Proceedings Papers

The Influence of Metamodeling Techniques on the Multidisciplinary Design Optimization of a Radial Compressor Impeller

Christopher Chahine, Joerg R. Seume, Tom Verstraete

Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 1951-1964, June 11–15, 2012

Paper No: GT2012-68358

DOI: https://doi.org/10.1115/GT2012-68358

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Topics: Compressor impellers, Design, Optimization, Computational fluid dynamics, Flow (Dynamics), Optimization algorithms, Turbomachinery, Approximation, Engineering disciplines, Errors

Proceedings Papers

Testing of Full Speed No Load Operating Conditions in a Subscale Steam Turbine Test Vehicle

John Basirico, Bin Zhou, Amir Mujezinovic, Yuri Starodubtsev, Boris Frolov

Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 2455-2461, June 6–10, 2011

Paper No: GT2011-46857

DOI: https://doi.org/10.1115/GT2011-46857

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Topics: Steam turbines, Stress, Testing, Vehicles, Pressure, Turbines, Exhaust systems, Flow (Dynamics), Steam, Computational fluid dynamics

Proceedings Papers

Analytical Approach of TMF Prediction for Complex Loading

Farid Ahdad, Ragupathy Kannusamy, B. Damodharan

Proc. ASME. GT2010, Volume 6: Structures and Dynamics, Parts A and B, 581-590, June 14–18, 2010

Paper No: GT2010-23440

DOI: https://doi.org/10.1115/GT2010-23440

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Topics: Cycles, Exhaust systems, Failure, Fatigue, Fatigue damage, Finite element analysis, Highways, Manifolds, Metals, Roads

Proceedings Papers

Multidisciplinary 3D-Optimization of a Fan Stage Performance Map With Consideration of the Static and Dynamic Rotor Mechanics

Ulrich Siller, Marcel Aulich

Proc. ASME. GT2010, Volume 7: Turbomachinery, Parts A, B, and C, 317-328, June 14–18, 2010

Paper No: GT2010-22792

DOI: https://doi.org/10.1115/GT2010-22792

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Topics: Optimization, Rotors, Blades, Design, Structural analysis, Structural mechanics, Compressors, Stability, Aerodynamics, Computational fluid dynamics

Proceedings Papers

Evaluation of Plasma Sprayed Thermal Barrier Coatings Using NDE and SEM

Abbas Fahr, Catalin Mandache, Marc Genest, Weijie Chen, Xijia Wu, John Thornton

Proc. ASME. GT2007, Volume 5: Turbo Expo 2007, 125-130, May 14–17, 2007

Paper No: GT2007-27852

DOI: https://doi.org/10.1115/GT2007-27852

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Topics: Nondestructive evaluation, Plasmas (Ionized gases), Thermal barrier coatings, Temperature, Eddies (Fluid dynamics), Eddy currents (Electricity), Imaging, Ceramics, Damage, Electromagnetic fields

Proceedings Papers

Aero-Mechanical Optimization Method With Direct CAD Access: Application to Counter Rotating Fan Design

S. Pierret, H. Kato, R. Filomeno Coelho, A. Merchant

Proc. ASME. GT2006, Volume 6: Turbomachinery, Parts A and B, 1329-1341, May 8–11, 2006

Paper No: GT2006-90505

DOI: https://doi.org/10.1115/GT2006-90505

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Topics: Computer-aided design, Design, Optimization, Turbomachinery, Blades, Computer software, Cycles, Geometry, Algorithms, Chain

NARROW

Calculation of Nonlinear Systems Under Narrow Band Excitation Using Equivalent Linearization and Path Continuation

Factors of Influence on the Leakage of Brush Seals

Improved Quality Assessment of Probabilistic Simulations and Application to Turbomachinery

A Deep Insight Into the Transonic Flow of an Advanced Centrifugal Compressor Design

The Effect of Rated Climb Performance on Low Cycle Fatigue of a Civil Turbojet Engine

Optimization of a 900 mm Tilting-Pad Journal Bearing in Large Steam Turbines by Advanced Modeling and Validation

Rotordynamic Characterization of Labyrinth Seals in Steam Turbines: Effects of Thermal and Mechanical Loads

A Newly Improved Collaborative Optimization Strategy: Application to Conceptual Multidisciplinary Design Optimization of a Civil Aero-Engine

Optimizing Surge Margin and Efficiency of a Transonic Compressor

Coupled Multi-Disciplinary Simulation of Composite Engine Structures in Propulsion Environment

Measurement and Prediction of the Static Operating Conditions of a Large Turbine Tilting-Pad Bearing Under High Circumferential Speeds and Heavy Loads

Full Design of a Highly Loaded and Compact Contra-Rotating Fan Using Multidisciplinary Evolutionary Optimization

Full Design of a Highly Loaded Fan by Multi-Objective Optimization of Through-Flow and High-Fidelity Aero-Mechanical Performances

The Influence of Metamodeling Techniques on the Multidisciplinary Design Optimization of a Radial Compressor Impeller

Testing of Full Speed No Load Operating Conditions in a Subscale Steam Turbine Test Vehicle

Analytical Approach of TMF Prediction for Complex Loading

Multidisciplinary 3D-Optimization of a Fan Stage Performance Map With Consideration of the Static and Dynamic Rotor Mechanics

Evaluation of Plasma Sprayed Thermal Barrier Coatings Using NDE and SEM

Aero-Mechanical Optimization Method With Direct CAD Access: Application to Counter Rotating Fan Design

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