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Proceedings Papers

Instability Amplitude Suppression in a Double Orifice Flow Through External Periodic Forcing

Ashutosh Singh, Isha Mukherjee, Vineeth Nair
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A007, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127399
https://doi.org/10.1115/GT2024-127399
View Paper titled, Instability Amplitude Suppression in a Double Orifice Flow Through External Periodic Forcing
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Topics: Flow (Dynamics), Locks (Waterways), Synchronization, Quenching (Metalworking), Ducts, Acoustics, Bifurcation, Cavities, Combustion chambers, Dynamics (Mechanics)
Proceedings Papers

Reduced Order Model for Cavity-Based Combustors Describing Various Bifurcations As Cavity Size Is Varied

Ashutosh Singh, Vineeth Nair
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A033, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128504
https://doi.org/10.1115/GT2024-128504
View Paper titled, Reduced Order Model for Cavity-Based Combustors Describing Various Bifurcations As Cavity Size Is Varied
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Topics: Attractors, Bifurcation, Cavities, Chaos, Combustion chambers, Vortices
Proceedings Papers

Large Axial Vibrations in Turbomachines: Non-Linear Behaviour of Double Sided Lubricated Thrust Bearing

Ludovico Dassi, Steven Chatterton, Edoardo Gheller, Paolo Pennacchi
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT22A007, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124990
https://doi.org/10.1115/GT2024-124990
View Paper titled, Large Axial Vibrations in Turbomachines: Non-Linear Behaviour of Double Sided Lubricated Thrust Bearing
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Topics: Nonlinear dynamics, Thrust bearings, Turbomachinery, Vibration, Machinery, Bearings, Clearances (Engineering), Bifurcation, Compressors, Flow (Dynamics)
Proceedings Papers

Intermittency of Flame Structure and Thermo-Acoustic Behavior in a Staged Multipoint Injector Using Liquid Fuel

Marie Truffot, Antoine Renaud, Laurent Zimmer, Franck Richecoeur, Alain Cayre, Yoann Méry
Proc. ASME. GT2023, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A062, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102446
https://doi.org/10.1115/GT2023-102446
View Paper titled, Intermittency of Flame Structure and Thermo-Acoustic Behavior in a Staged Multipoint Injector Using Liquid Fuel
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Topics: Acoustics, Ejectors, Flames, Fuels, Fluctuations (Physics), Shapes, Atmospheric pressure, Bifurcation, Combustion, Combustion chambers
Proceedings Papers

Application of Numerical Bifurcation Tracking Strategy to Blade-Tip/Casing Interactions in Aircraft Engines

Clément Delbé, Yann Colaïtis, Alain Batailly
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT27A019, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103048
https://doi.org/10.1115/GT2023-103048
View Paper titled, Application of Numerical Bifurcation Tracking Strategy to Blade-Tip/Casing Interactions in Aircraft Engines
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Topics: Aircraft engines, Bifurcation, Blades, Rotors
Proceedings Papers

System Parameter Identification of a Colored-Noise-Driven Rijke Tube Simulator

Neha Vishnoi, Vikrant Gupta, Aditya Saurabh, Lipika Kabiraj
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A040, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83006
https://doi.org/10.1115/GT2022-83006
View Paper titled, System Parameter Identification of a Colored-Noise-Driven Rijke Tube Simulator
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Topics: Noise (Sound), White noise, Approximation, Acoustics, Bifurcation, Fokker-Planck equation, Oscillations, System identification
Proceedings Papers

Nonlinear Dynamics of Turbine Generator Shaft Trains: Evaluation of Bifurcation Sets Applying Numerical Continuation

Ioannis Gavalas, Athanasios Chasalevris
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A005, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80107
https://doi.org/10.1115/GT2022-80107
View Paper titled, Nonlinear Dynamics of Turbine Generator Shaft Trains: Evaluation of Bifurcation Sets Applying Numerical Continuation
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Topics: Bifurcation, Nonlinear dynamics, Trains, Turbogenerators
Proceedings Papers

On the Dynamic Response of a Two-Degree-of-Freedom System With Dry Friction and Elastic Stop

Liming Jiang, Zhimin Su, Jie Hong, Yanhong Ma
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A024, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82779
https://doi.org/10.1115/GT2022-82779
View Paper titled, On the Dynamic Response of a Two-Degree-of-Freedom System With Dry Friction and Elastic Stop
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Topics: Dry friction, Dynamic response, Friction, Stability, Bifurcation, Excitation, Collisions (Physics), Cycles, Dampers, Design
Proceedings Papers

On the Effect of Noise Induced Dynamics on Linear Growth Rates of Oscillations in an Electroacoustic Rijke Tube Simulator

Neha Vishnoi, Pankaj Wahi, Aditya Saurabh, Lipika Kabiraj
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A013, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58691
https://doi.org/10.1115/GT2021-58691
View Paper titled, On the Effect of Noise Induced Dynamics on Linear Growth Rates of Oscillations in an Electroacoustic Rijke Tube Simulator
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Topics: Dynamics (Mechanics), Noise (Sound), Oscillations, Stability, Combustion chambers, Acoustics, Gas turbines, Bifurcation, Combustion, Damping
Proceedings Papers

Numerical Investigation of Rotor and Journal Bearing Parameters on Nonlinear Vibration of a Highly Flexible Rotor Considering Journal Angular Motion With Experimental Verification

Nuntaphong Koondilogpiboon, Tsuyoshi Inoue
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A006, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14254
https://doi.org/10.1115/GT2020-14254
View Paper titled, Numerical Investigation of Rotor and Journal Bearing Parameters on Nonlinear Vibration of a Highly Flexible Rotor Considering Journal Angular Motion With Experimental Verification
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Topics: Journal bearings, Nonlinear vibration, Rotors, Bearings, Bifurcation, Disks, Limit cycles, Degrees of freedom, Finite element analysis, Rolling bearings
Proceedings Papers

Intermittency, Secondary Bifurcation and Mixed-Mode Oscillations in a Swirl-Stabilized Annular Combustor: Experiments and Modeling

Samarjeet Singh, Amitesh Roy, K. V. Reeja, Asalatha Nair, Swetaprovo Chaudhuri, R. I. Sujith
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A009, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15356
https://doi.org/10.1115/GT2020-15356
View Paper titled, Intermittency, Secondary Bifurcation and Mixed-Mode Oscillations in a Swirl-Stabilized Annular Combustor: Experiments and Modeling
Open the PDF for Intermittency, Secondary Bifurcation and Mixed-Mode Oscillations in a Swirl-Stabilized Annular Combustor: Experiments and Modeling in another window
Topics: Bifurcation, Combustion chambers, Modeling, Oscillations, Flames, Combustion, Dynamics (Mechanics), Noise (Sound), Turbulence
Proceedings Papers

Large Eddy Simulation of Film Cooling for the Real Additive Manufactured Fan-Shaped Holes

Wei Shi, Xueying Li, Lang Wang, Jing Ren, Hongde Jiang
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A036, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14852
https://doi.org/10.1115/GT2020-14852
View Paper titled, Large Eddy Simulation of Film Cooling for the Real Additive Manufactured Fan-Shaped Holes
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Topics: Additive manufacturing, Film cooling, Large eddy simulation, Flow (Dynamics), Fluids, Heat transfer, Manufacturing, Surface roughness, Workflow, Bifurcation
Proceedings Papers

Nonlinear Harmonic Analysis of a Blade Model Subjected to Large Geometrical Deflection and Internal Resonance

Nicolas Di Palma, Adrien Martin, Fabrice Thouverez, Vivien Courtier
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT35A017, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91213
https://doi.org/10.1115/GT2019-91213
View Paper titled, Nonlinear Harmonic Analysis of a Blade Model Subjected to Large Geometrical Deflection and Internal Resonance
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Topics: Blades, Deflection, Resonance, Bifurcation, Stiffness, Frequency response
Proceedings Papers

Nonlinear Vibration Prediction of a Highly Flexible Rotor Supported by an Axial Groove Journal Bearing Considering Journal Angular Whirling Motion

Nuntaphong Koondilogpiboon, Tsuyoshi Inoue
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A024, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90951
https://doi.org/10.1115/GT2019-90951
View Paper titled, Nonlinear Vibration Prediction of a Highly Flexible Rotor Supported by an Axial Groove Journal Bearing Considering Journal Angular Whirling Motion
Open the PDF for Nonlinear Vibration Prediction of a Highly Flexible Rotor Supported by an Axial Groove Journal Bearing Considering Journal Angular Whirling Motion in another window
Topics: Journal bearings, Nonlinear vibration, Rotors, Whirls, Disks, Bearings, Bifurcation, Ball bearings, Steady state
Proceedings Papers

Simultaneous TR-PIV and CH* Chemiluminescence During Combustion-Instability Triggered Flame-Flashback in a Backward Facing Step Combustor

Pankaj Pancharia, Vikram Ramanan, Baladandayuthapani Nagarajan, S. R. Chakravarthy
Proc. ASME. GT2019, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A018, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91252
https://doi.org/10.1115/GT2019-91252
View Paper titled, Simultaneous TR-PIV and CH* Chemiluminescence During Combustion-Instability Triggered Flame-Flashback in a Backward Facing Step Combustor
Open the PDF for Simultaneous TR-PIV and CH* Chemiluminescence During Combustion-Instability Triggered Flame-Flashback in a Backward Facing Step Combustor in another window
Topics: Chemiluminescence, Combustion, Combustion chambers, Flames, Acoustics, Turbulence, Bifurcation, Cycles, Data acquisition, Ducts
Proceedings Papers

Investigation on Effect of Inlet Flow Turbulence on the Combustion Instability Using Simultaneous PIV and CH* Chemiluminescence in a Backward Facing Step Combustor

Pankaj Pancharia, Vikram Ramanan, Baladandayuthapani Nagarajan, S. R. Chakravarthy
Proc. ASME. GT2019, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A055, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-92022
https://doi.org/10.1115/GT2019-92022
View Paper titled, Investigation on Effect of Inlet Flow Turbulence on the Combustion Instability Using Simultaneous PIV and CH* Chemiluminescence in a Backward Facing Step Combustor
Open the PDF for Investigation on Effect of Inlet Flow Turbulence on the Combustion Instability Using Simultaneous PIV and CH* Chemiluminescence in a Backward Facing Step Combustor in another window
Topics: Chemiluminescence, Combustion, Combustion chambers, Flow (Dynamics), Turbulence, Flames, Vortices, Dynamics (Mechanics), Acoustics, Air flow
Proceedings Papers

Enhanced Heat Transfer and Thermal Performance of a Blade With Tree-Shaped Film Cooling Channels

Guohua Zhang, Gongnan Xie, Bengt Sundén
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT12A013, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75918
https://doi.org/10.1115/GT2018-75918
View Paper titled, Enhanced Heat Transfer and Thermal Performance of a Blade With Tree-Shaped Film Cooling Channels
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Topics: Blades, Film cooling, Heat transfer, Computer simulation, Metals, Temperature, Bifurcation, Boundary-value problems, Gas turbines, Turbine blades
Proceedings Papers

Large Eddy Simulation of a Two-Phase Staged Swirling Burner Using an Euler-Lagrange Approach: Validation of the Injection Strategy

Léo Cunha Caldeira Mesquita, Aymeric Vié, Sébastien Ducruix
Proc. ASME. GT2018, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A004, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76125
https://doi.org/10.1115/GT2018-76125
View Paper titled, Large Eddy Simulation of a Two-Phase Staged Swirling Burner Using an Euler-Lagrange Approach: Validation of the Injection Strategy
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Topics: Large eddy simulation, Swirling flow, Drops, Sprays, Flames, Approximation, Bifurcation, Combustion chambers, Computer simulation, Fuels
Proceedings Papers

Effects of Density and Blowing Ratios on the Turbulent Structure and Effectiveness of Film-Cooling

Zachary T. Stratton, Tom I-P. Shih
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT12A014, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76170
https://doi.org/10.1115/GT2018-76170
View Paper titled, Effects of Density and Blowing Ratios on the Turbulent Structure and Effectiveness of Film-Cooling
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Topics: Density, Film cooling, Turbulence, Cooling, Flat plates, Fluctuations (Physics), Shear (Mechanics), Vortices, Vorticity, Bifurcation
Proceedings Papers

Through-Flow Modeling of Single- and Two-Shaft Gas Turbines at Wide Operating Range

Alexander Wiedermann, Milan V. Petrovic
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A006, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75394
https://doi.org/10.1115/GT2018-75394
View Paper titled, Through-Flow Modeling of Single- and Two-Shaft Gas Turbines at Wide Operating Range
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Topics: Flow (Dynamics), Gas turbines, Modeling, Turbines, Compressors, Cooling, Design, Bifurcation, Boundary layers, Combustion