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Proceedings Papers

Development of a Needle Type Nanosecond Pulsed Plasma Actuator for the Enhancement of Blowout Limits in a Lifted Stabilized Combustor

Maria Grazia De Giorgi, Sara Bonuso, Ghazanfar Mehdi, Stefan Harth, Antonio Ficarella
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A061, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103936
https://doi.org/10.1115/GT2023-103936
View Paper titled, Development of a Needle Type Nanosecond Pulsed Plasma Actuator for the Enhancement of Blowout Limits in a Lifted Stabilized Combustor
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Topics: Actuators, Combustion, Combustion chambers, Flames, Needles, Plasmas (Ionized gases), Stability, Plasma generators, Chemiluminescence, Excitation
Proceedings Papers

Unsteady Flow Structure of Corner Separation in a Highly Loaded Compressor Cascade

Weibo Zhong, Yangwei Liu, Yumeng Tang
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT36A024, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104234
https://doi.org/10.1115/GT2023-104234
View Paper titled, Unsteady Flow Structure of Corner Separation in a Highly Loaded Compressor Cascade
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Topics: Cascades (Fluid dynamics), Compressors, Corners (Structural elements), Flow (Dynamics), Principal component analysis, Separation (Technology), Unsteady flow
Proceedings Papers

Effect of the Structure of Flow Deflector on Ignition and Flame Shape of The Centrally Staged Combustor

Jinglong Ma, Xin Hui, Xiao Han, Meng Han
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A026, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103132
https://doi.org/10.1115/GT2023-103132
View Paper titled, Effect of the Structure of Flow Deflector on Ignition and Flame Shape of The Centrally Staged Combustor
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Topics: Combustion chambers, Flames, Flow (Dynamics), Ignition, Principal component analysis, Shapes
Proceedings Papers

Analysis of Unsteady Loss Sensitivity to Incidence Angle Variation in Low Pressure Turbine

Matteo Dellacasagrande, Davide Lengani, Daniele Simoni, Marina Ubaldi, Angelo Alberto Granata, Matteo Giovannini, Filippo Rubechini, Francesco Bertini
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A037, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103770
https://doi.org/10.1115/GT2023-103770
View Paper titled, Analysis of Unsteady Loss Sensitivity to Incidence Angle Variation in Low Pressure Turbine
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Topics: Pressure, Turbines, Wakes, Flow (Dynamics), Unsteady flow, Blades, Boundary layers, Cascades (Fluid dynamics), Inflow, Engineering design processes
Proceedings Papers

Low Reynolds Number Effects on the Endwall Flow Field in A High-Lift Turbine Passage

Molly H. Donovan, Markus P. Rumpfkeil, Christopher R. Marks, Zachary Robison, Andreas Gross
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A010, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81204
https://doi.org/10.1115/GT2022-81204
View Paper titled, Low Reynolds Number Effects on the Endwall Flow Field in A High-Lift Turbine Passage
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Topics: Flow (Dynamics), Reynolds number, Turbines, Pressure, Turbine blades, Vortices, Cascades (Fluid dynamics), Junctions, Large eddy simulation, Particulate matter
Proceedings Papers

Circulation Budget Analysis of the Leading-Edge Vortex in a Wells Turbine Under Steady Inflow Conditions

Kaihe Geng, Ce Yang, Xinyu He, Chenxing Hu, Hanzhi Zhang, Xin Shi
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A014, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81890
https://doi.org/10.1115/GT2022-81890
View Paper titled, Circulation Budget Analysis of the Leading-Edge Vortex in a Wells Turbine Under Steady Inflow Conditions
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Topics: Inflow, Turbines, Vortices, Wells, Vorticity, Stall inception, Convection, Flow (Dynamics), Rotors, Shear (Mechanics)
Proceedings Papers

Mission Severity Assessment Based on 1Hz Engine Data

Stefano Scarso, Stephan Staudacher, Christian Keller, Jürgen Mathes
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT31A007, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80923
https://doi.org/10.1115/GT2022-80923
View Paper titled, Mission Severity Assessment Based on 1Hz Engine Data
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Topics: Engines, Flight, Aircraft, Algorithms, Control systems, Machinery, NASA, Principal component analysis, Robustness
Proceedings Papers

Correlated Pressure-Velocity Instability in a Transonic High-Pressure Turbine Blade

Matteo Dellacasagrande, Davide Lengani, Ettore Bertolini, Wolfgang Sanz
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A020, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82205
https://doi.org/10.1115/GT2022-82205
View Paper titled, Correlated Pressure-Velocity Instability in a Transonic High-Pressure Turbine Blade
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Topics: High pressure (Physics), Pressure, Turbine blades, Boundary layers, Waves, Blades, Fluctuations (Physics), Suction, Large eddy simulation, Principal component analysis
Proceedings Papers

A Digital Twin of Compressor Blisk Manufacturing Geometrical Variability for the Aeroelastic Uncertainty Quantification of the Aerodynamic Damping

Marco Gambitta, Bernd Beirow, Sven Schrape
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT21A021, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82935
https://doi.org/10.1115/GT2022-82935
View Paper titled, A Digital Twin of Compressor Blisk Manufacturing Geometrical Variability for the Aeroelastic Uncertainty Quantification of the Aerodynamic Damping
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Topics: Compressors, Damping, Digital twin, Manufacturing, Uncertainty quantification, Airfoils, Geometry, Vibration, Aerodynamics, Blades
Proceedings Papers

Processing Multi Component Blade Tip Timing Experimental Data by Independent Component Analysis

Elena Rizzetto, Luigi Carassale
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A011, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81753
https://doi.org/10.1115/GT2022-81753
View Paper titled, Processing Multi Component Blade Tip Timing Experimental Data by Independent Component Analysis
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Topics: Blades, Flutter (Aerodynamics), Independent component analysis, Vibration, Disks, Principal component analysis, Rotors, Sensors, Signals, Stress
Proceedings Papers

Dynamic Response of Stratified Flames to Acoustic Excitation in a Multi-Swirler Model Combustor

Weijie Liu, Ming Jin, Bing Ge, Ranran Xue, He Su, Shusheng Zang
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A035, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82871
https://doi.org/10.1115/GT2022-82871
View Paper titled, Dynamic Response of Stratified Flames to Acoustic Excitation in a Multi-Swirler Model Combustor
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Topics: Acoustics, Combustion chambers, Dynamic response, Excitation, Flames, Flow (Dynamics), Principal component analysis, Swirling flow, Transfer functions
Proceedings Papers

Identification of Fluctuation Modes for a Cylindrical Film Cooling Hole Using the Spectral Proper Orthogonal Decomposition Method

Nicola Rosafio, Giove De Cosmo, Simone Salvadori, Mauro Carnevale, Daniela Anna Misul
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A006, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-79528
https://doi.org/10.1115/GT2022-79528
View Paper titled, Identification of Fluctuation Modes for a Cylindrical Film Cooling Hole Using the Spectral Proper Orthogonal Decomposition Method
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Topics: Film cooling, Principal component analysis, Coolants, Flow (Dynamics), Modeling, Blades, Compressible flow, Cooling, Engines, Flat plates
Proceedings Papers

The Heat Transfer and Coherent Structures of the Tangential Impingement Jets in the Annular Chamber Studied With Extended Proper Orthogonal Decomposition

Lei Shi, Xiaocheng Zhu, Zhaohui Du
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A018, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82198
https://doi.org/10.1115/GT2022-82198
View Paper titled, The Heat Transfer and Coherent Structures of the Tangential Impingement Jets in the Annular Chamber Studied With Extended Proper Orthogonal Decomposition
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Topics: Heat transfer, Jets, Principal component analysis
Proceedings Papers

An Efficient Unsteady 1-Way Coupling Method of Combustor and Turbine

Jonathan Gründler, Heinz-Peter Schiffer, Knut Lehmann
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A003, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78056
https://doi.org/10.1115/GT2022-78056
View Paper titled, An Efficient Unsteady 1-Way Coupling Method of Combustor and Turbine
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Topics: Combustion chambers, Turbines, Simulation, Boundary-value problems, Compression, Computational fluid dynamics, Filters, Fourier series, High pressure (Physics), Large eddy simulation
Proceedings Papers

Investigation on Strain and Stress Principal Axes in Unsteady DNS Turbine Data

D. Lengani, D. Simoni, L. De Vincentiis, K. Ðurović, J. Pralits, D. S. Henningson, A. Hanifi
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A031, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83197
https://doi.org/10.1115/GT2022-83197
View Paper titled, Investigation on Strain and Stress Principal Axes in Unsteady DNS Turbine Data
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Topics: Stress, Turbines, Turbulence, Tensors, Eigenvalues, Blades, Boundary layers, Reynolds stress, Suction, Cascades (Fluid dynamics)
Proceedings Papers

Impact of Hydrogen Addition on the Thermoacoustic Instability and Precessing Vortex Core Dynamics in a CH 4 /H 2 /air Technically Premixed Combustor

Anindya Datta, Saarthak Gupta, Santosh Hemchandra, Ianko Chterev, Isaac Boxx
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A018, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58794
https://doi.org/10.1115/GT2021-58794
View Paper titled, Impact of Hydrogen Addition on the Thermoacoustic Instability and Precessing Vortex Core Dynamics in a CH 4 /H 2 /air Technically Premixed Combustor
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Topics: Combustion chambers, Dynamics (Mechanics), Hydrogen, Methane, Vortices, Oscillations, Flames, Flow (Dynamics), Fuels, Nozzles
Proceedings Papers

Impact of a Centrebody on the Unsteady Flow Dynamics of A Swirl Nozzle: Intermittency of PVC Oscillations

Saarthak Gupta, Santosh Hemchandra, Masayasu Shimura, Santosh Shanbhogue, Ahmed Ghoniem
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A003, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58358
https://doi.org/10.1115/GT2021-58358
View Paper titled, Impact of a Centrebody on the Unsteady Flow Dynamics of A Swirl Nozzle: Intermittency of PVC Oscillations
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Topics: Dynamics (Mechanics), Nozzles, Oscillations, Unsteady flow, Flow (Dynamics), Vortices, Bubbles, Combustion chambers, Turbulence, Emissions
Proceedings Papers

Localized Breakup Instabilities for a Liquid Jet in Crossflow

Sheikh Salauddin, Wilmer Flores, Michelle Otero, Kareem Ahmed
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A004, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59421
https://doi.org/10.1115/GT2021-59421
View Paper titled, Localized Breakup Instabilities for a Liquid Jet in Crossflow
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Topics: Aviation, Flow (Dynamics), Fuels, Hydrodynamic stability, Momentum, Nonlinear dynamical systems, Principal component analysis, Rayleigh-Taylor instability, Resolution (Optics), Shear (Mechanics)
Proceedings Papers

Flow Response of an Industrial Gas Turbine Combustor To Acoustic Forcing Extracted From Unforced Data

Jan Paul Beuth, Jakob G. R. von Saldern, Thomas Ludwig Kaiser, Thoralf G. Reichel, Christian Oliver Paschereit, Bernhard Ćosić, Kilian Oberleithner
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A015, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59718
https://doi.org/10.1115/GT2021-59718
View Paper titled, Flow Response of an Industrial Gas Turbine Combustor To Acoustic Forcing Extracted From Unforced Data
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Topics: Acoustics, Combustion chambers, Flow (Dynamics), Industrial gases, Turbines, Flames, Dynamics (Mechanics), Fluctuations (Physics), Combustion systems, Emissions
Proceedings Papers

Data-Driven Analysis of Engine Mission Severity Using Non-Dimensional Groups

Tim Brandes, Stefano Scarso, Christian Koch, Stephan Staudacher
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT33A002, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58673
https://doi.org/10.1115/GT2021-58673
View Paper titled, Data-Driven Analysis of Engine Mission Severity Using Non-Dimensional Groups
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Topics: Engines, Flight, Machinery, Accuracy and precision, Algorithms, Blades, Compressors, Computation, Databases, Erosion