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Journal Articles

Investigation of the Sigma Approximation Technique for the Solution of the Time Spectral Equation System

Accepted Manuscript
Yuze Zhu, Yuxuan Zhang, Sen Zhang, Dingxi Wang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1436
https://doi.org/10.1115/1.4066586
Published Online: September 19, 2024
View Article titled, Investigation of the Sigma Approximation Technique for the Solution of the Time Spectral Equation System
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Topics: Approximation, Oscillations, Compressors, Boundary layers, Computer simulation, Dimensions, Flow (Dynamics), NASA, Numerical stability, Shock (Mechanics)
Journal Articles

Proper Orthogonal Decomposition-Based Surrogate Modeling Approximation for Aeroengines Nonlinear Unbalance Responses

Francesco D'Alessandro, Hugo Festjens, Gael Chevallier, Scott Cogan, Tariq Benamara, Caroline Sainvitu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2024, 146(1): 011013.
Paper No: GTP-23-1345
https://doi.org/10.1115/1.4063519
Published Online: October 26, 2023
View Article titled, Proper Orthogonal Decomposition-Based Surrogate Modeling Approximation for Aeroengines Nonlinear Unbalance Responses
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Topics: Approximation, Damping, Experimental design, Finite element model, Metamodeling, Rotors, Simulation, Stators, Design, Rotordynamics
Journal Articles

The Impact of Thermal Load and Turbulent Flow on Minimum Film Thickness of a Large Tilting-Pad Journal Bearing

Daniel Vetter, Thomas Hagemann, Hubert Schwarze
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2024, 146(1): 011007.
Paper No: GTP-23-1370
https://doi.org/10.1115/1.4063383
Published Online: October 17, 2023
View Article titled, The Impact of Thermal Load and Turbulent Flow on Minimum Film Thickness of a Large Tilting-Pad Journal Bearing
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Topics: Approximation, Bearings, Clearances (Engineering), Deformation, Film thickness, Stress, Temperature, Thermomechanics, Turbulence, Journal bearings
Journal Articles

Lessons Learned Toward Estimating the High-Pressure Turbine Inlet Temperature Profile Using Measurements Acquired at the High-Pressure Turbine Exit

Xu Zhu, Kai Zhou, Xinqian Zheng, Fangyuan Lou
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2023, 145(7): 071011.
Paper No: GTP-23-1039
https://doi.org/10.1115/1.4062285
Published Online: May 25, 2023
View Article titled, Lessons Learned Toward Estimating the High-Pressure Turbine Inlet Temperature Profile Using Measurements Acquired at the High-Pressure Turbine Exit
Open the PDF for Lessons Learned Toward Estimating the High-Pressure Turbine Inlet Temperature Profile Using Measurements Acquired at the High-Pressure Turbine Exit in another window
Topics: Approximation, Flow (Dynamics), High pressure (Physics), Temperature, Temperature distribution, Temperature profiles, Turbines, Wavelets, Cooling
Journal Articles

The Nonlinear Thermoacoustic Eigenvalue Problem and Its Rational Approximations: Assessment of Solution Strategies

Moritz Merk, Philip E. Buschmann, Jonas P. Moeck, Wolfgang Polifke
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2023, 145(2): 021028.
Paper No: GTP-22-1336
https://doi.org/10.1115/1.4055583
Published Online: December 13, 2022
View Article titled, The Nonlinear Thermoacoustic Eigenvalue Problem and Its Rational Approximations: Assessment of Solution Strategies
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Topics: Eigenvalues, Approximation
Journal Articles

Approximating Gas Turbine Combustor Exit Temperature Distribution Factors Using Spatially Under-Sampled Measurements

Fangyuan Lou
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2022, 144(10): 101018.
Paper No: GTP-22-1274
https://doi.org/10.1115/1.4055218
Published Online: September 12, 2022
View Article titled, Approximating Gas Turbine Combustor Exit Temperature Distribution Factors Using Spatially Under-Sampled Measurements
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Topics: Combustion chambers, Temperature, Temperature distribution, Temperature profiles, Approximation, Wavelets, Flow (Dynamics), Design
Journal Articles

Integrally Bladed Rotor Mistuning Identification and Model Updating Using Geometric Mistuning Models

Joseph A. Beck, Jeffrey M. Brown, Daniel L. Gillaugh, Emily B. Carper, Alex A. Kaszynski
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2021, 143(12): 121012.
Paper No: GTP-20-1576
https://doi.org/10.1115/1.4051111
Published Online: October 12, 2021
View Article titled, Integrally Bladed Rotor Mistuning Identification and Model Updating Using Geometric Mistuning Models
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Topics: Algorithms, Approximation, Blades, Eigenvalues, Elastic moduli, Errors, Excitation, Finite element model, Geometry, Materials properties
Journal Articles

Generalized Model for the Approximation of Coupled Acousto-Mechanical Natural Frequencies in High-Pressure Centrifugal Compressors

Christoph Rocky Heinrich, Arnold Kühhorn, Klaus Steff, Nico Petry
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2021, 143(7): 071022.
Paper No: GTP-20-1449
https://doi.org/10.1115/1.4049447
Published Online: March 31, 2021
View Article titled, Generalized Model for the Approximation of Coupled Acousto-Mechanical Natural Frequencies in High-Pressure Centrifugal Compressors
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Topics: Acoustics, Cavities, Compressors, Computer simulation, Fluids, Impellers, Pressure, Finite element model, High pressure (Physics), Finite element analysis
Journal Articles

Rotational Speed-Dependent Contact Formulation for Nonlinear Blade Dynamics Prediction

Torsten Heinze, Lars Panning-von Scheidt, Jörg Wallaschek, Andreas Hartung
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2019, 141(4): 042503.
Paper No: GTP-18-1332
https://doi.org/10.1115/1.4040843
Published Online: December 5, 2018
View Article titled, Rotational Speed-Dependent Contact Formulation for Nonlinear Blade Dynamics Prediction
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Topics: Blades, Disks, Dynamics (Mechanics), Equations of motion, Frequency response, Friction, Interpolation, Stiffness, Errors, Computation
Journal Articles

Approximate Solution of the Fokker–Planck Equation for a Multidegree of Freedom Frictionally Damped Bladed Disk Under Random Excitation

Alwin Förster, Lars Panning-von Scheidt, Jörg Wallaschek
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 011004.
Paper No: GTP-18-1279
https://doi.org/10.1115/1.4040740
Published Online: September 14, 2018
View Article titled, Approximate Solution of the Fokker–Planck Equation for a Multidegree of Freedom Frictionally Damped Bladed Disk Under Random Excitation
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Topics: Disks, Fokker-Planck equation, Random excitation, Approximation, Computation, Differential equations, Probability, Polynomials
Journal Articles

Fan Similarity Model for the Fan–Intake Interaction Problem

Mauro Carnevale, Feng Wang, Anthony B. Parry, Jeffrey S. Green, Luca di Mare
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2018, 140(5): 051202.
Paper No: GTP-17-1345
https://doi.org/10.1115/1.4038247
Published Online: December 19, 2017
View Article titled, Fan Similarity Model for the Fan–Intake Interaction Problem
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Topics: Approximation, Blades, Computational fluid dynamics, Engines, Flow (Dynamics), Pressure, Reynolds-averaged Navier–Stokes equations, Unsteady flow, Computation, Shock (Mechanics)
Journal Articles

A Reduced Order Modeling Methodology for Steam Turbine Clearance Control Design

Emrah Biyik, Fernando J. D'Amato, Arun Subramaniyan, Changjie Sun
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2017, 139(9): 092604.
Paper No: GTP-17-1014
https://doi.org/10.1115/1.4036062
Published Online: April 11, 2017
View Article titled, A Reduced Order Modeling Methodology for Steam Turbine Clearance Control Design
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Topics: Clearances (Engineering), Design, Finite element methods, Finite element model, Materials properties, Modeling, Simulation, Steam turbines, Temperature, Turbines
Journal Articles

Performance Metric for Turbine Stage Under Unsteady Pulsating Flow Environment

Jinwook Lee, Choon S. Tan, Borislav T. Sirakov, Hong-Sik Im, Martin Babak, Denis Tisserant, Chris Wilkins
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2017, 139(7): 072606.
Paper No: GTP-16-1562
https://doi.org/10.1115/1.4035630
Published Online: March 7, 2017
View Article titled, Performance Metric for Turbine Stage Under Unsteady Pulsating Flow Environment
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Topics: Entropy, Pulsatile flow, Storage, Turbines, Turbochargers, Unsteady flow, Cycles, Approximation, Flow (Dynamics)
Journal Articles

Direct Numerical Simulation of Rotating Cavity Flows Using a Spectral Element-Fourier Method

Diogo B. Pitz, John W. Chew, Olaf Marxen, Nicholas J. Hills
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2017, 139(7): 072602.
Paper No: GTP-16-1411
https://doi.org/10.1115/1.4035593
Published Online: February 14, 2017
View Article titled, Direct Numerical Simulation of Rotating Cavity Flows Using a Spectral Element-Fourier Method
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Topics: Approximation, Buoyancy, Cavities, Flow (Dynamics), Rotors, Stators, Reynolds number, Annulus, Disks, Rayleigh number
Journal Articles

Linear Growth Rate Estimation From Dynamics and Statistics of Acoustic Signal Envelope in Turbulent Combustors

Nicolas Noiray
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2017, 139(4): 041503.
Paper No: GTP-16-1350
https://doi.org/10.1115/1.4034601
Published Online: October 18, 2016
View Article titled, Linear Growth Rate Estimation From Dynamics and Statistics of Acoustic Signal Envelope in Turbulent Combustors
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Topics: Acoustics, Combustion chambers, Dynamics (Mechanics), Signals, Statistics, Bifurcation, Flames, Approximation, Sound pressure, Limit cycles
Journal Articles

Quantitative Stability Analysis Using Real-Valued Frequency Response Data

Martin Schmid, Ralf S. Blumenthal, Moritz Schulze, Wolfgang Polifke, Thomas Sattelmayer
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2013, 135(12): 121601.
Paper No: GTP-13-1240
https://doi.org/10.1115/1.4025299
Published Online: September 20, 2013
View Article titled, Quantitative Stability Analysis Using Real-Valued Frequency Response Data
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Topics: Approximation, Filters, Flames, Frequency response, Stability, Transfer functions, Cycles, Extruding
Journal Articles

Reduced Order Modeling of a Bladed Rotor With Geometric Mistuning Via Estimated Deviations in Mass and Stiffness Matrices

Yasharth Bhartiya, Alok Sinha
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2013, 135(5): 052501.
Paper No: GTP-11-1320
https://doi.org/10.1115/1.4007783
Published Online: April 18, 2013
View Article titled, Reduced Order Modeling of a Bladed Rotor With Geometric Mistuning Via Estimated Deviations in Mass and Stiffness Matrices
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Topics: Approximation, Blades, Modeling, Rotors, Simulation, Stiffness, Disks, Mode shapes, Errors
Journal Articles

Application of a Smooth Approximation of the Schmid's Law to a Single Crystal Gas Turbine Blade

Alessandro D. Ramaglia
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2013, 135(3): 032101.
Paper No: GTP-12-1379
https://doi.org/10.1115/1.4007785
Published Online: February 21, 2013
View Article titled, Application of a Smooth Approximation of the Schmid's Law to a Single Crystal Gas Turbine Blade
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Topics: Approximation, Crystals, Stress, Shear stress, Plasticity, Blades, Deformation, Gas turbines
Journal Articles

Inversion of the Fundamental Thermodynamic Equations for Isentropic Nozzle Flow Analysis

Joseph Majdalani, Brian A. Maicke
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2012, 134(3): 031201.
https://doi.org/10.1115/1.4003963
Published Online: December 28, 2011
View Article titled, Inversion of the Fundamental Thermodynamic Equations for Isentropic Nozzle Flow Analysis
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Topics: Approximation, Density, Errors, Flow (Dynamics), Mach number, Nozzles, Pressure, Temperature, Thermofluids, Specific heat
Journal Articles

Modeling of Fe–Cr Martensitic Steels Corrosion in Liquid Lead Alloys

F. Balbaud-Célérier, L. Martinelli
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. October 2010, 132(10): 102912.
https://doi.org/10.1115/1.4000865
Published Online: July 7, 2010
View Article titled, Modeling of Fe–Cr Martensitic Steels Corrosion in Liquid Lead Alloys
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Topics: Corrosion, Diffusion (Physics), Iron, Lead alloys, Magnetite, Martensitic steel, Modeling, Oxidation, Oxygen, Steel