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Journal Articles

Polynomial Chaos Expansion-Based Uncertainty Model for Fast Assessment of Gas Turbine Aero-Engines Thrust Regulation: A Sparse Regression Approach

Shijia Li, Zhiyuan Wei, Shuguang Zhang, Zhaohui Cen, Elias Tsoutsanis
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011031.
Paper No: GTP-24-1489
https://doi.org/10.1115/1.4066531
Published Online: October 25, 2024
View Articletitled, Polynomial Chaos Expansion-Based Uncertainty Model for Fast Assessment of Gas Turbine Aero-Engines Thrust Regulation: A Sparse Regression Approach
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Topics: Chaos, Engines, Polynomials, Simulation, Thrust, Uncertainty, Engineering simulation, Aircraft engines, Manufacturing, Errors
Journal Articles

A Preconditioner-Based Data-Driven Polynomial Expansion Method: Application to Compressor Blade With Leading Edge Uncertainty

Haohao Wang, Limin Gao, Guang Yang, Ruiyu Li, Baohai Wu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2024, 146(11): 111004.
Paper No: GTP-23-1290
https://doi.org/10.1115/1.4065787
Published Online: July 4, 2024
View Articletitled, A Preconditioner-Based Data-Driven Polynomial Expansion Method: Application to Compressor Blade With Leading Edge Uncertainty
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Topics: Blades, Chaos, Compressors, Errors, Polynomials, Uncertainty, Uncertainty quantification, Manufacturing, Fittings, Statistical distributions
Journal Articles

Robustness Analysis on the Aerothermal Performance of Turbine Blade Squealer Tip

Ming Huang, Zhigang Li, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2022, 144(7): 071011.
Paper No: GTP-22-1029
https://doi.org/10.1115/1.4054377
Published Online: May 20, 2022
View Articletitled, Robustness Analysis on the Aerothermal Performance of Turbine Blade Squealer Tip
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Topics: Blades, Clearances (Engineering), Flow (Dynamics), Leakage flows, Temperature, Turbine blades, Uncertainty, Uncertainty quantification, Heat transfer, Polynomials
Journal Articles

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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2019, 141(4): 041016.
Paper No: GTP-18-1302
https://doi.org/10.1115/1.4040906
Published Online: December 3, 2018
View Articletitled, Analysis of Deformation of Mistuned Bladed Disks With Friction and Random Crystal Anisotropy Orientation Using Gradient-Based Polynomial Chaos Expansion
Open the PDF for Analysis of Deformation of Mistuned Bladed Disks With Friction and Random Crystal Anisotropy Orientation Using Gradient-Based Polynomial Chaos Expansion in another window
Topics: Blades, Disks, Anisotropy, Polynomials, Chaos
Journal Articles

Uncertainty Quantification of NO x Emission Due to Operating Conditions and Chemical Kinetic Parameters in a Premixed Burner

Sajjad Yousefian, Gilles Bourque, Rory F. D. Monaghan
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2018, 140(12): 121005.
Paper No: GTP-18-1269
https://doi.org/10.1115/1.4040897
Published Online: October 1, 2018
View Articletitled, Uncertainty Quantification of NO x Emission Due to Operating Conditions and Chemical Kinetic Parameters in a Premixed Burner
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Topics: Chaos, Emissions, Modeling, Nitrogen oxides, Polynomials, Sensitivity analysis, Simulation, Temperature, Uncertainty, Uncertainty analysis
Journal Articles

Quantification of the Impact of Uncertainties in Operating Conditions on the Flame Transfer Function With Nonintrusive Polynomial Chaos Expansion

Alexander Avdonin, Wolfgang Polifke
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 011020.
Paper No: GTP-18-1364
https://doi.org/10.1115/1.4040745
Published Online: September 17, 2018
View Articletitled, Quantification of the Impact of Uncertainties in Operating Conditions on the Flame Transfer Function With Nonintrusive Polynomial Chaos Expansion
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Topics: Flames, Polynomials, Uncertainty, Computational fluid dynamics, Chaos, Impulse (Physics), Transfer functions, Simulation, Uncertainty quantification
Journal Articles

Instability and Chaos of a Flexible Rotor Ball Bearing System: An Investigation on the Influence of Rotating Imbalance and Bearing Clearance

T. C. Gupta, K. Gupta, D. K. Sehgal
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. August 2011, 133(8): 082501.
https://doi.org/10.1115/1.4002657
Published Online: April 5, 2011
View Articletitled, Instability and Chaos of a Flexible Rotor Ball Bearing System: An Investigation on the Influence of Rotating Imbalance and Bearing Clearance
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Topics: Ball bearings, Bearings, Chaos, Clearances (Engineering), Dynamic response, Rotors, Stiffness, Excitation, Disks, Stability
Journal Articles

Nonlinear Stochastic Dynamics, Chaos, and Reliability Analysis for a Single Degree of Freedom Model of a Rotor Blade

Pankaj Kumar, S. Narayanan
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2009, 131(1): 012506.
https://doi.org/10.1115/1.2967720
Published Online: October 13, 2008
View Articletitled, Nonlinear Stochastic Dynamics, Chaos, and Reliability Analysis for a Single Degree of Freedom Model of a Rotor Blade
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Topics: Blades, Chaos, Density, Dynamics (Mechanics), Excitation, Finite element analysis, Fokker-Planck equation, Probability, Reliability, Rotors
Journal Articles

Dynamic Behavior of Geared Rotors

T. N. Shiau, J. S. Rao, J. R. Chang, S.-T. Choi
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 1999, 121(3): 494–503.
https://doi.org/10.1115/1.2818500
Published Online: July 1, 1999
View Articletitled, Dynamic Behavior of Geared Rotors
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Topics: Rotors, Dampers, Excitation, Vibration, Chaos, Gravity (Force), Torsion, Whirls
Journal Articles

Non-Random Adaptive Grid Method for High-Speed Optimization of Highly Dimensional, Badly Behaving Real Time Functions

K. E. Shahroudi
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 1997, 119(2): 265–272.
https://doi.org/10.1115/1.2815569
Published Online: April 1, 1997
View Articletitled, Non-Random Adaptive Grid Method for High-Speed Optimization of Highly Dimensional, Badly Behaving Real Time Functions
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Topics: Optimization, Probability, Dimensions, Chaos, Design
Journal Articles

Tests of Thick Flame Combustion Estimates in a Single-Cylinder Engine

J. Boisvert, P. G. Hill
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. October 1987, 109(4): 410–418.
https://doi.org/10.1115/1.3240056
Published Online: October 1, 1987
View Articletitled, Tests of Thick Flame Combustion Estimates in a Single-Cylinder Engine
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Topics: Combustion, Flames, Single-cylinder engines, Turbulence, Engines, Pressure, Uncertainty, Chaos, Computational methods, Cylinders