Topics: Blades , Disks , Optimization , Steam turbines , Vibration , Flutter (Aerodynamics) , Eigenvalues , Manufacturing , Materials properties , Stability

Rig and Engine Validation of the Non-Linear Forced Response Analysis Performed by the Tool OrAgL

Andreas Hartung, Hans-Peter Hackenberg, Malte Krack, Johann Gross, Torsten Heinze, Lars Panning-von Scheidt

GT 2018; V07CT35A003doi:https://doi.org/10.1115/GT2018-75186

Abstracts

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Topics: Engines , Friction , Simulation , Blades , Dampers , Disks , Modeling , Nonlinear vibration , Stiffness , Temperature

A Study of Dynamic Phenomena Caused by Impulse Mistuning in Case of Self-Excitation

Peter Müller, Andreas Hartung, Hans-Peter Hackenberg

GT 2018; V07CT35A004doi:https://doi.org/10.1115/GT2018-75188

Abstracts

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Topics: Excitation , Impulse (Physics) , Damping , Vibration , Blades , High cycle fatigue , Energy transformation , Flutter (Aerodynamics) , Friction , Stress

A Reduced Order Model for Nonlinear Dynamics of Mistuned Bladed Disks With Shroud Friction Contacts

S. Mehrdad Pourkiaee, Stefano Zucca

GT 2018; V07CT35A005doi:https://doi.org/10.1115/GT2018-75223

Abstracts

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Topics: Disks , Friction , Nonlinear dynamics , Blades , Finite element model , Nonlinear vibration , Computer simulation , Fatigue , Modeling , Reliability

Rotational Speed-Dependent Contact Formulation for Nonlinear Blade Dynamics Prediction

Torsten Heinze, Lars Panning-von Scheidt, Jörg Wallaschek, Andreas Hartung

GT 2018; V07CT35A006doi:https://doi.org/10.1115/GT2018-75290

Abstracts

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Topics: Blades , Dynamics (Mechanics) , Algorithms , Approximation , Computation , Disks , Errors , Frequency response , Friction , Stiffness

Numerical Assessment of Reduced Order Modeling Techniques for Dynamic Analysis of Jointed Structures With Contact Nonlinearities

Jie Yuan, Fadi El-Haddad, Loic Salles, Chian Wong

GT 2018; V07CT35A007doi:https://doi.org/10.1115/GT2018-75303

Abstracts

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Topics: Dynamic analysis , Modeling , Excitation , Finite element analysis , Friction , Springs

Influence of Geometric Design Parameters Onto Vibratory Response and HCF Safety for Turbine Blades With Friction Damper

Matthias Hüls, Lars Panning-von Scheidt, Jörg Wallaschek

GT 2018; V07CT35A008doi:https://doi.org/10.1115/GT2018-75363

Abstracts

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Topics: Dampers , Design , Friction , High cycle fatigue , Safety , Turbine blades , Blades , Resonance , Damping , Stress

Mistuning Identification Approach With Focus on High-Speed Centrifugal Compressors

Robby Weber, Arnold Kühhorn

GT 2018; V07CT35A009doi:https://doi.org/10.1115/GT2018-75382

Abstracts

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Topics: Compressors , Blades , Vibration , Manufacturing , Turbines , Turbomachinery , Density , Design , Failure , Finite element model

The Determination of Steady-State Movements Using Blade Tip Timing Data

Mohamed Mohamed, Philip Bonello, Peter Russhard

GT 2018; V07CT35A010doi:https://doi.org/10.1115/GT2018-75488

Abstracts

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Topics: Blades , Steady state , Probes , Errors , Algorithms , Disks , Displacement , Finite element analysis , Finite element model , Instrumentation

Investigations on Transient Amplitude Amplification by Applying Intentional Mistuning

Klaus-Dieter Schlesier, Lars Panning-von Scheidt, Jörg Wallaschek

GT 2018; V07CT35A011doi:https://doi.org/10.1115/GT2018-75514

Abstracts

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Topics: Transients (Dynamics) , Resonance , Acoustics , Blades , Energy generation , Engineering simulation , Excitation , Simulation , Vibration

Parametric Reduced Order Models for Bladed Disks With Mistuning and Varying Operational Speed

Eric Kurstak, Ryan Wilber, Kiran D’Souza

GT 2018; V07CT35A012doi:https://doi.org/10.1115/GT2018-75563

Abstracts

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Topics: Disks , Coordinate measuring machines , Finite element analysis

Non-Linear Vibration of Rotating Co-Rotational Two-Dimensional Beams With Large Displacement

Zihan Shen, Benjamin Chouvion, Fabrice Thouverez, Aline Beley, Jean-Daniel Beley

GT 2018; V07CT35A013doi:https://doi.org/10.1115/GT2018-75633

Abstracts

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Topics: Aircraft engines , Deformation , Design , Displacement , Finite element methods , Fuel consumption , Kinetic energy , Machinery , Modal analysis , Nonlinear vibration

An Acoustic Travelling Wave System for the Analysis of Blisk Mistuning

Joshua J. Grant, Mitchell R. Cosmo, Jianfu F. Hou, Evan O. Smith, Jouke H. S. de Baar

GT 2018; V07CT35A014doi:https://doi.org/10.1115/GT2018-75666

Abstracts

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Topics: Acoustics , Traveling waves , Excitation , Damage , Defense industry , Dynamic response , Errors , Finite element analysis , Finite element methods , Finite element model

Dynamic Analysis and Reduction of a Cyclic Symmetric System Subjected to Geometric Nonlinearities

Adrien Martin, Fabrice Thouverez

GT 2018; V07CT35A015doi:https://doi.org/10.1115/GT2018-75709

Abstracts

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Topics: Design , Dynamic analysis , Fuel consumption , Modeling , Stators , Turbojets , Weight (Mass)

Thermo-Mechanical Modeling of Abradable Coating Wear in Aircraft Engines

Florence Nyssen, Alain Batailly

GT 2018; V07CT35A016doi:https://doi.org/10.1115/GT2018-75824

Abstracts

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Topics: Aircraft engines , Coating processes , Coatings , Modeling , Thermomechanics , Wear , Temperature effects , Blades , Computer simulation , Dynamics (Mechanics)

Thermomechanical Model Reduction for Efficient Simulations of Rotor-Stator Contact Interaction

Nicolas Guérin, Anders Thorin, Fabrice Thouverez, Mathias Legrand, Patricio Almeida

GT 2018; V07CT35A017doi:https://doi.org/10.1115/GT2018-75880

Abstracts

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Topics: Engineering simulation , Rotors , Simulation , Stators , Thermomechanics , Life cycle assessment , Stress , Structural dynamics , Turbomachinery

Nonsmooth Thermoelastic Simulations of Blade-Casing Contact Interactions

Anders Thorin, Nicolas Guérin, Mathias Legrand, Fabrice Thouverez, Patricio Almeida

GT 2018; V07CT35A018doi:https://doi.org/10.1115/GT2018-75959

Abstracts

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Topics: Blades , Engineering simulation , Simulation , Thermoelasticity , Turbomachinery , Algorithms , Contact dynamics , Doors , Excitation , Heat

Criteria for Best Performance of Pre-Optimized Solid Dampers

Chiara Gastaldi, Muzio M. Gola

GT 2018; V07CT35A019doi:https://doi.org/10.1115/GT2018-75961

Abstracts

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Topics: Dampers , Design , Excitation , Optimization , Blades , Dynamics (Mechanics) , Energy dissipation , Finite element analysis

Investigating Damping Performance of Laser Powder Bed Fused Components With Unique Internal Structures

Onome Scott-Emuakpor, Tommy George, Brian Runyon, Casey Holycross, Bryan Langley, Luke Sheridan, Ryan O’Hara, Phil Johnson, Joseph Beck

GT 2018; V07CT35A020doi:https://doi.org/10.1115/GT2018-75977

Abstracts

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Topics: Damping , Lasers , Vibration suppression , Additive manufacturing , Design , Geometry , Internal friction , Manufacturing , Optimization , Physics

A Comparison of Two Microslip Contact Models for Studying the Mechanics of Underplatform Dampers

Chao Xu, Dongwu Li, Muzio M. Gola, Chiara Gastaldi

GT 2018; V07CT35A021doi:https://doi.org/10.1115/GT2018-76007

Abstracts

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Topics: Dampers , Friction , Stiffness , Springs , Stress , Vibration , Blades , Damping , Displacement , Dynamics (Mechanics)

Comparison of Blade Tip Timing With Strain Gauge Data for Evaluation of Dynamic Characterization of Last Stage Blade With Interlocked Shroud for Steam Turbine

Jiamin Zhang, Peng Shan, Kai Cheng, Dechao Ye

GT 2018; V07CT35A022doi:https://doi.org/10.1115/GT2018-76264

Abstracts

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Topics: Blades , Steam turbines , Strain gages , Computer-aided engineering , Probes , Aircraft engines , Damping , Design , Engineering standards , Finite element analysis

Efficient Generation of Engine Representative Tip Timing Data Based on a Reduced Order Model for Bladed Rotors

Felix Figaschewsky, Benjamin Hanschke, Arnold Kühhorn

GT 2018; V07CT35A023doi:https://doi.org/10.1115/GT2018-76342

Abstracts

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Topics: Engines , Rotors , Blades , Signals , Algorithms , Compressors , Manufacturing , Simulation , Strain gages , Uncertainty

Automated Meshing Algorithm for Generating As-Manufactured Finite Element Models Directly From As-Measured Fan Blades and Integrally Bladed Disks

Alex A. Kaszynski, Joseph A. Beck, Jeffrey M. Brown

GT 2018; V07CT35A024doi:https://doi.org/10.1115/GT2018-76375

Abstracts

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Topics: Algorithms , Blades , Disks , Finite element model , Airfoils , Density , Finite element analysis , Geometry , Hardware , Manifolds

Representation and Analysis of Geometric Uncertainties in Rotor Blades

Luigi Carassale, Silvia Bruzzone, Andrea Cavicchi, Michela Marrè Brunenghi

GT 2018; V07CT35A025doi:https://doi.org/10.1115/GT2018-76385

Abstracts

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Topics: Blades , Rotors , Uncertainty , Geometry , Manufacturing , Case studies , Compressors , Principal component analysis , Shapes

A Mistuned Forced Response Analysis of an Embedded Compressor Blisk Using a Reduced Order Model

Mauricio Gutierrez, Paul Petrie-Repar, Robert E. Kielb, Nicole L. Key

GT 2018; V07CT35A026doi:https://doi.org/10.1115/GT2018-76455

Abstracts

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Topics: Compressors , Stators , Uncertainty , Rotors

A Method for Parametric Analysis of Stability Boundaries for Nonlinear Periodic Vibrations of Structures With Contact Interfaces

E. P. Petrov

GT 2018; V07CT35A027doi:https://doi.org/10.1115/GT2018-76545

Abstracts

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Topics: Stability , Vibration , Design , Algorithms , Damping , Degrees of freedom , Excitation , Finite element model , Friction , Gas turbines

Analysis of Nonlinear Modal Damping due to Friction at Blade Roots Using High-Fidelity Modelling

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

GT 2018; V07CT35A028doi:https://doi.org/10.1115/GT2018-76546

Abstracts

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Topics: Blades , Damping , Friction , Modeling , Disks , Vibration , Finite element model , Dimensions , Dynamics (Mechanics) , Engines

Analysis of Deformation of Mistuned Bladed Disks With Friction and Random Crystal Anisotropy Orientation Using Gradient-Based Polynomial Chaos Expansion

Rahul Rajasekharan, E. P. Petrov

GT 2018; V07CT35A029doi:https://doi.org/10.1115/GT2018-76566

Abstracts

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Topics: Anisotropy , Chaos , Crystals , Deformation , Disks , Friction , Polynomials , Blades , Sensitivity analysis , Statistical analysis

High-Fidelity Sensitivity Analysis of Modal Properties of Mistuned Bladed Disks Regarding Material Anisotropy

Adam Koscso, Guido Dhondt, E. P. Petrov

GT 2018; V07CT35A030doi:https://doi.org/10.1115/GT2018-76572

Abstracts

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Topics: Anisotropy , Disks , Sensitivity analysis , Blades , Finite element model , Mode shapes , Crystal structure

Forced Response Reduction of a Blisk by Means of Intentional Mistuning

Bernd Beirow, Arnold Kühhorn, Felix Figaschewsky, Alfons Bornhorn, Oleg V. Repetckii

GT 2018; V07CT35A031doi:https://doi.org/10.1115/GT2018-76584

Abstracts

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Topics: Blades , Damping , Engineering prototypes , Engineering simulation , Engines , Excitation , Genetic algorithms , Manufacturing , Optimization , Robustness

Intentional Response Reduction by Harmonic Mistuning of Bladed Disks With Aerodynamic Damping

Sebastian Willeke, Lukas Schwerdt, Lars Panning-von Scheidt, Jörg Wallaschek

GT 2018; V07CT35A032doi:https://doi.org/10.1115/GT2018-76601

Abstracts

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Topics: Damping , Disks , Blades , Mode shapes , Separation (Technology) , Standing waves , Traveling waves , Wave packets

Reduced-Order Modeling of Bladed Disks Considering Small Mistuning of the Disk Sectors

Lukas Schwerdt, Sebastian Willeke, Lars Panning-von Scheidt, Jörg Wallaschek

GT 2018; V07CT35A033doi:https://doi.org/10.1115/GT2018-76610

Abstracts

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Topics: Disks , Modeling , Blades , Stiffness , Waves

Numerical and Experimental Study of Shrouded Blade Dynamics Considering Variable Operating Points

Ferhat Kaptan, Lars Panning-von Scheidt, Jörg Wallaschek

GT 2018; V07CT35A034doi:https://doi.org/10.1115/GT2018-76692

Abstracts

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Topics: Blades , Dynamics (Mechanics) , Disks , Vibration , Mechanical properties , Pressure , Turbomachinery , Computation , Design engineering , Excitation

Stress Calibration Methodology of Stator Blades Using Experimental SAFE Diagram

Jérôme Ligot, Sébastien Hoffait, Jean de Cazenove, Frédéric Vallino, Jean-Claude Golinval

GT 2018; V07CT35A035doi:https://doi.org/10.1115/GT2018-76709

Abstracts

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Topics: Blades , Calibration , Stators , Stress , Excitation , Accelerometers , Computation , Engines , Finite element analysis , Gages

An Extension of the Classical Subset of Nominal Modes Method for the Model Order Reduction of Gyroscopic Systems

Christian U. Waldherr, Damian M. Vogt

GT 2018; V07CT35A036doi:https://doi.org/10.1115/GT2018-76742

Abstracts

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Topics: Blades , Boundary-value problems , Computation , Coriolis force , Design , Disks , Finite element methods , Machinery , Modeling , Particle spin

Selection of Dynamic Testing Measurement Locations for Integrally Bladed Disks

Joseph A. Beck, Alex A. Kaszynski, Jeffrey M. Brown, Daniel L. Gillaugh, Onome E. Scott-Emuakpor

GT 2018; V07CT35A037doi:https://doi.org/10.1115/GT2018-76791

Abstracts

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Topics: Disks , Dynamic testing (Engineering) , Dynamic testing (Materials) , Density , Algorithms , Engines , Testing , Degrees of freedom , Excitation , Finite element analysis

An Experimental Study of Resonance Frequency Detuning Applied to Blade Mistuning

Garrett K. Lopp, Jeffrey L. Kauffman

GT 2018; V07CT35A038doi:https://doi.org/10.1115/GT2018-76834

Abstracts

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Topics: Blades , Resonance , Vibration , Stiffness , Construction , Damping , Design , Disks , Engines , Excitation

Mistuning Evaluation Comparison via As-Manufactured Models, Traveling Wave Excitation, and Compressor Rigs

Daniel L. Gillaugh, Alexander A. Kaszynski, Jeffrey M. Brown, Joseph A. Beck, Joseph C. Slater

GT 2018; V07CT35A039doi:https://doi.org/10.1115/GT2018-76888

Abstracts

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Topics: Compressors , Excitation , Traveling waves , Blades , Rotors , Analytical methods , Testing , Disks , Engines , Geometry

Numerical and Experimental Estimation of the Turbine Blade Damper Efficiency

Boris Shorr, Nikolay Serebriakov, Galina Mel'nikova, Dmitri Shadrin, Boris Vasilyev, Alexander Stadnikov

GT 2018; V07CT35A040doi:https://doi.org/10.1115/GT2018-76974

Abstracts

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Topics: Dampers , Turbine blades , Blades , Stress , Design , Resonance , Stiffness , Damping , Pressing , Turbines

Optimal Placement and Sizing of Piezoelectric Material for Multiple-Mode Vibration Reduction

Christopher R. Kelley, Jeffrey L. Kauffman

GT 2018; V07CT35A041doi:https://doi.org/10.1115/GT2018-77025

Abstracts

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Topics: Piezoelectric materials , Vibration , Blades , Damping , Failure , High cycle fatigue , Mechanical properties , Smart materials , Transients (Dynamics) , Turbine blades

Aerodynamic Excitation and Damping

Experimental Investigation of an Aerodynamically Mistuned Oscillating Compressor Cascade

Leonie Malzacher, Valentina Motta, Christopher Schwarze, Dieter Peitsch

GT 2018; V07CT36A001doi:https://doi.org/10.1115/GT2018-75025

Abstracts

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Topics: Cascades (Fluid dynamics) , Compressors , Blades , Stability , Damping , Flow (Dynamics) , Test facilities

Modelling Strategies to Obtain the Forcing Function for a Forced Response Analysis

Stuart Connell, Laith Zori, Sunil Patil

GT 2018; V07CT36A002doi:https://doi.org/10.1115/GT2018-75057

Abstracts

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Topics: Modeling , Pressure , Flow (Dynamics) , Simulation , Wheels , Blades , Guide vanes , Hydraulic turbines , Rotors , Transients (Dynamics)

Aeroelastic Control on Compressor Blades With Virtual Control Surfaces: A Numerical Assessment

Valentina Motta, Leonie Malzacher, Victor Bicalho Civinelli de Almeida, Dieter Peitsch

GT 2018; V07CT36A003doi:https://doi.org/10.1115/GT2018-75079

Abstracts

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Topics: Blades , Compressors , Plasmas (Ionized gases) , Flow (Dynamics) , Actuators , Turbomachinery , Cascades (Fluid dynamics) , Drag (Fluid dynamics) , Flutter (Aerodynamics) , Pressure

A Physically Consistent Reduced Order Model for Plasma Aeroelastic Control on Compressor Blades

Valentina Motta, Leonie Malzacher, Dieter Peitsch, Giuseppe Quaranta

GT 2018; V07CT36A004doi:https://doi.org/10.1115/GT2018-75080

Abstracts

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Topics: Blades , Compressors , Plasmas (Ionized gases) , Actuators , Cascades (Fluid dynamics) , Pressure , Suction , Airfoils , Flow (Dynamics) , Chords (Trusses)

Intentional Mistuning With Predominant Aerodynamic Effects

Carlos Martel, José J. Sánchez

GT 2018; V07CT36A005doi:https://doi.org/10.1115/GT2018-75081

Abstracts

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Topics: Aerodynamics , Blades , Damping , Finite element model , Fluid-dynamic forces , Rotors , Traveling waves , Vibration

Application of the Modal Approach for Prediction of Forced Response Amplitudes for Fan Blades

Franziska Eichner, Joachim Belz

GT 2018; V07CT36A006doi:https://doi.org/10.1115/GT2018-75239

Abstracts

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Topics: Blades , Resonance , Vibration , Excitation , Boundary layers , Carbon reinforced plastics , Deformation , Engineering simulation , Fans , High cycle fatigue

Determination of Aerodynamic Damping at High Reduced Frequencies

Minghao Pan, Paul Petrie-Repar, Hans Mårtensson, Tianrui Sun, Tobias Gezork

GT 2018; V07CT36A007doi:https://doi.org/10.1115/GT2018-75294

Abstracts

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Topics: Damping , Acoustics , Blades , Resonance , Turbines , Vibration , Boundary-value problems , Excitation , Failure , Flat plates

Aeroelastic Analysis of Last Stage LP Steam Turbine Rotor Blades With Exhaust Hood for Various Non-Nominal Regimes

Romuald Rzadkowski, Vitaly Gnesin, Lubov Kolodyazhnaya, Ryszard Szczepanik

GT 2018; V07CT36A008doi:https://doi.org/10.1115/GT2018-75300

Abstracts

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Topics: Blades , Exhaust systems , Rotors , Steam turbines , Oscillations , Pressure , Stators , Stress , Turbines , Algorithms

Experimental Validation of Forced Response Methods in a Multi-Stage Axial Turbine

Thomas Hauptmann, Christopher E. Meinzer, Joerg R. Seume

GT 2018; V07CT36A009doi:https://doi.org/10.1115/GT2018-75390

Abstracts

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Topics: Turbines , Turbine blades , Fluid structure interaction , Vibration , Blades , Clearances (Engineering) , Damping , Engines , Excitation , Geometry

The Validation of Flutter Prediction in a Linear Cascade of Non-Rigid Turbine Blades

Vaclav Slama, Bartolomej Rudas, Jiri Ira, Ales Macalka, Petr Eret, Volodymyr Tsymbalyuk

GT 2018; V07CT36A010doi:https://doi.org/10.1115/GT2018-75502

Abstracts

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Topics: Cascades (Fluid dynamics) , Flutter (Aerodynamics) , Turbine blades , Blades , Aerodynamics , Design , Engineering simulation , Fluid-dynamic forces , Simulation , Steam turbines

Study of the Impact of Multi-Row Interaction on Flutter Analysis for a Representative LPT Geometry

Adrian Sotillo, Juan Manuel Gallardo

GT 2018; V07CT36A011doi:https://doi.org/10.1115/GT2018-75762

Abstracts

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Topics: Flutter (Aerodynamics) , Geometry , Blades , Acoustics , Spin (Aerodynamics) , Spinning (Textile) , Computation , Computational fluid dynamics , Damping , Engineering simulation

Conceptual Flutter Analysis of Labyrinth Seals Using Analytical Models: Part II — Physical Interpretation

Almudena Vega, Roque Corral

GT 2018; V07CT36A012doi:https://doi.org/10.1115/GT2018-75831

Abstracts

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Topics: Flutter (Aerodynamics) , Cavities , Stability , Cycles , Fluids , Acoustics , Resonance , Clearances (Engineering) , Damping , Geometry

Conceptual Flutter Analysis of Labyrinth Seals Using Analytical Models: Part I — Theoretical Support

Roque Corral, Almudena Vega

GT 2018; V07CT36A013doi:https://doi.org/10.1115/GT2018-75958

Abstracts

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Topics: Flutter (Aerodynamics) , Cavities , Stability , Cycles , Fluids , Acoustics , Resonance , Clearances (Engineering) , Damping , Geometry

Coupled Fluid Structure Simulation Method in the Frequency Domain for Turbomachinery Applications

Christian Berthold, Christian Frey, Harald Schönenborn

GT 2018; V07CT36A014doi:https://doi.org/10.1115/GT2018-76220

Abstracts

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Topics: Fluids , Simulation , Turbomachinery , Fluid structure interaction , Blades , Damping , Dynamics (Mechanics) , Flow (Dynamics) , Flutter (Aerodynamics) , Stress

Numerical and Experimental FSI-Study to Determine Mechanical Stresses Induced by Rotating Stall in Unshrouded Centrifugal Compressor Impellers

B. Mischo, P. Jenny, S. Mauri, Y. Bidaut, M. Kramer, S. Spengler

GT 2018; V07CT36A015doi:https://doi.org/10.1115/GT2018-76344

Abstracts

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Topics: Compressor impellers , Fluid structure interaction , Stress , Blades , Impellers , Vibration , Design , Resonance , Compression , Computational fluid dynamics

Numerical Investigation on Wide-Chord Fan Blade Forced Response due to Vortex Ingestion

Zhonglin Wang, Yong Chen, Hua Ouyang, Anjenq Wang

GT 2018; V07CT36A016doi:https://doi.org/10.1115/GT2018-76352

Abstracts

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Topics: Blades , Chords (Trusses) , Vortices , Engines , Vibration , Design , Safety , Stability , Damage , Displacement

The Influence of Circumferential Grooves on the Flutter Stability of a Transonic Fan

Matthias Kniefs, Martin Lange, Ronald Mailach, Senad Iseni, Derek Micallef, Francesca di Mare

GT 2018; V07CT36A017doi:https://doi.org/10.1115/GT2018-76422

Abstracts

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Topics: Flutter (Aerodynamics) , Stability , Computational fluid dynamics , Blades , Fluid structure interaction , Simulation , Traveling waves , Vibration , Aerodynamic noise , Aerodynamics

Damping Behavior of Acoustic Dominant Modes in an Aeroacoustic Test Rig Representing a Simplified Geometry of a High Pressure Radial Compressor

Botond Barabas, Dieter Brillert, Hans Josef Dohmen, Friedrich-Karl Benra

GT 2018; V07CT36A018doi:https://doi.org/10.1115/GT2018-76629

Abstracts

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Topics: Acoustics , Compressors , Damping , Geometry , High pressure (Physics) , Pressure , Design , Excitation , Fluid pressure , Fluids

Influence of Intrarow Interaction on the Aerodynamic Damping of an Axial Turbine Stage

Tobias R. Müller, Damian M. Vogt, Klemens Vogel, Bent A. Phillipsen

GT 2018; V07CT36A019doi:https://doi.org/10.1115/GT2018-76777

Abstracts

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Topics: Damping , Turbines , Pressure , Vibration , Blades , Rotors , Stators , Acoustics , Reflection , Waves

Prediction of Aerodynamically Induced Blade Vibrations in a Radial Turbine Rotor Using the Nonlinear Harmonic Approach

Nikola Kovachev, Christian U. Waldherr, Jürgen F. Mayer, Damian M. Vogt

GT 2018; V07CT36A020doi:https://doi.org/10.1115/GT2018-76814

Abstracts

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Topics: Blades , Rotors , Turbines , Vibration , Computational fluid dynamics , Damping , Engineering simulation , Excitation , Fluid structure interaction , High cycle fatigue

Improving the Flutter Margin of an Unstable Fan Blade

Sina Stapelfeldt, Mehdi Vahdati

GT 2018; V07CT36A021doi:https://doi.org/10.1115/GT2018-76889

Abstracts

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Topics: Blades , Flutter (Aerodynamics) , Flow (Dynamics) , Design , Acoustics , Aerodynamics , Aeroelasticity , Crude oil , Optimization , Pressure

Flutter Analysis of a Flexible UHBR Fan at Different Flight Conditions

Matthias Schuff, Jannik Reisberg

GT 2018; V07CT36A022doi:https://doi.org/10.1115/GT2018-76930

Abstracts

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Topics: Flight , Flutter (Aerodynamics) , Blades , Compressors , Deflection , Deformation , Stability , Damping , Dimensions , Mode shapes

An Approach to Approximate the Full Strain Field of Turbofan Blades During Operation

Gen Fu, Alexandrina Untaroiu, Walter O’Brien

GT 2018; V07CT36A023doi:https://doi.org/10.1115/GT2018-77056

Abstracts

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Topics: Blades , Turbofans , Sensors , Instrumentation , Algorithms , Cantilever beams , Computer simulation , Data acquisition systems , Excitation , Mode shapes