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Proceedings Papers

Mixed Whirl Modes in Numerical Rotordynamics Analysis

Konrad Juethner, Ted Rose, J. S. Kumar, Jianming Cao, Gregory M. Savela, Chris J. Zuck, Parag H. Mathuria

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A004, June 13–17, 2022

Paper No: GT2022-79755

DOI: https://doi.org/10.1115/GT2022-79755

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Topics: Rotordynamics, Whirls, Rotors, Design, Eigenvalues, Stability, Algorithms, Economics , Fatigue, Finite element analysis

Proceedings Papers

Stability Analysis of an Industrial Blade Accounting for a Blade-Tip/Casing Nonlinear Interface

Yann Colaïtis, Alain Batailly

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A018, June 13–17, 2022

Paper No: GT2022-82322

DOI: https://doi.org/10.1115/GT2022-82322

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Topics: Accounting, Blades, Rotors, Stability

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

Paper No: GT2022-82779

DOI: https://doi.org/10.1115/GT2022-82779

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Topics: Dry friction, Dynamic response, Friction, Stability, Bifurcation, Excitation, Collisions (Physics), Cycles, Dampers, Design

Proceedings Papers

Fan Stability Enhancement With Partial Casing Treatments

Matthew K. Oldfield, Alejandro Castillo Pardo, Cesare A. Hall

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A020, June 13–17, 2022

Paper No: GT2022-82039

DOI: https://doi.org/10.1115/GT2022-82039

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Topics: Stability, Annulus, Rotors, Flow (Dynamics), Compressors, Fans, Stall inception

Proceedings Papers

Leakage Flow Impact on Shrouded Stator Cavity Flow Topology and Associated High Speed Axial Compressor Stage Performance

Cedric Babin, Xavier Ottavy, Fabrizio Fontaneto

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A035, June 13–17, 2022

Paper No: GT2022-82868

DOI: https://doi.org/10.1115/GT2022-82868

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Topics: Cavity flows, Compressors, Leakage flows, Stators, Topology, Cavities, Design, Boundary layers, Engineering simulation, Fluid dynamics

Proceedings Papers

Casing Treatment: Its Potential and Limitations

Sungho Yoon, Patricia Cargill

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A008, June 13–17, 2022

Paper No: GT2022-80461

DOI: https://doi.org/10.1115/GT2022-80461

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Topics: Blades, Boundary layers, Compressors, Design, Durability, Dust, Flow (Dynamics), Ice, Industrial research, Leakage flows

Proceedings Papers

Extending Highly Loaded Axial Fan Operability Range Through Novel Blade Design

Diego I. Lopez, Tiziano Ghisu, Timoleon Kipouros, Shahrokh Shahpar, Mark Wilson

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A016, June 13–17, 2022

Paper No: GT2022-81748

DOI: https://doi.org/10.1115/GT2022-81748

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Topics: Blades, Design, Momentum, Clearances (Engineering), Stability, Computer simulation, Compressors, Computation, Engineering simulation, Leakage flows

Proceedings Papers

Simulating Stall Inception in a High-Performance Fan With Clean and Distorted Inlets

Andrew M. Bedke, Tyler Adams, Steve E. Gorrell

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A019, June 13–17, 2022

Paper No: GT2022-82031

DOI: https://doi.org/10.1115/GT2022-82031

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Topics: Stall inception, Aircraft, Vortices, Blades, Chords (Trusses), Fans, Flow (Dynamics), Shock (Mechanics), Annulus, Clearances (Engineering)

Proceedings Papers

Some Properties of the Exit Velocity Triangle of a Radial Compressor Impeller

Michael Casey, Chris Robinson

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A003, June 13–17, 2022

Paper No: GT2022-79368

DOI: https://doi.org/10.1115/GT2022-79368

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Topics: Compressor impellers, Compressors, Design, Impellers, Flow (Dynamics), Diffusers, Computational fluid dynamics, Stability, Teaching, Vaneless diffusers

Proceedings Papers

Computational Flow Field Assessment of the Inlet Region of Centrifugal Compressor Under Unsteady Flow Conditions Near Surge

Aakeen Parikh, Pablo Ale-Martos, Maria Esperanza Barrera-Medrano, Yoshihiro Hayashi, Ricardo Martinez-Botas

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A005, June 13–17, 2022

Paper No: GT2022-81968

DOI: https://doi.org/10.1115/GT2022-81968

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Topics: Compressors, Flow (Dynamics), Surges, Unsteady flow, Pulsatile flow, Stability, Boundary-value problems, Cycles, Dynamic response, Engines

Proceedings Papers

On the Impact of the Turbulence Model on the Secondary Flow Structure of a Highly-Loaded Compressor Stage

Riccardo Toracchio, Fabrizio Fontaneto, Koen Hillewaert

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A041, June 13–17, 2022

Paper No: GT2022-83163

DOI: https://doi.org/10.1115/GT2022-83163

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Topics: Compressors, Flow (Dynamics), Turbulence, Blades, Engineering simulation, Reynolds-averaged Navier–Stokes equations, Simulation, Design, Machinery, Pressure

Proceedings Papers

Calibrated Rotation-Helicity-Quadratic Constitutive Relation Spalart-Allmaras (R-H-QCR SA) Model for the Prediction of Multi-Stage Compressor Characteristics

Kotaro Matsui, Naoki Tani, Ethan Perez, Ryan T. Kelly, Aleksandar Jemcov

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A023, June 13–17, 2022

Paper No: GT2022-82080

DOI: https://doi.org/10.1115/GT2022-82080

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Topics: Compressors, Rotation, Stability, Turbulence

Proceedings Papers

Identification and Stability Analysis of a Turbojet Engine in Start-Up Mode

Erkan Abdulhamitbilal, Sinan Şal, Elbrous M. Jafarov

Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A001, June 13–17, 2022

Paper No: GT2022-77985

DOI: https://doi.org/10.1115/GT2022-77985

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Topics: Engines, Stability, Turbojets

Proceedings Papers

Experimental Investigation of CH 4 -Humid Air Flame Characteristic of a Novel Micromix Concept Model Burner

Ce Liu, Weiwei Shao, Zhedian Zhang

Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A053, June 13–17, 2022

Paper No: GT2022-81919

DOI: https://doi.org/10.1115/GT2022-81919

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Topics: Combustion, Emissions, Flames, Methane, Nitrogen oxides, Combustion chambers, Cycles, Steam, Temperature, Atmospheric pressure

Proceedings Papers

Micro-mixing Combustion for Highly Recuperated Gas Turbines: Effects of Inlet Temperature and Fuel Composition on Combustion Stability and NOx Emissions

A. Landry-Blais, S. Sivić, M. Picard

Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A001, June 13–17, 2022

Paper No: GT2022-77959

DOI: https://doi.org/10.1115/GT2022-77959

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Topics: Combustion, Emissions, Fuels, Gas turbines, Nitrogen oxides, Stability, Temperature

Proceedings Papers

Lean Stability Limits and Exhaust Emissions of Ammonia-Methane-Air Swirl Flames at Micro Gas Turbine Relevant Pressure

Cristian Avila, Guoqing Wang, Xuren Zhu, Et-Touhami Es-Sebbar, Marwan Abdullah, Mourad Younes, Aqil Jamal, Thibault Guiberti, William L. Roberts

Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A004, June 13–17, 2022

Paper No: GT2022-78304

DOI: https://doi.org/10.1115/GT2022-78304

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Topics: Combustion, Emissions, Exhaust systems, Flames, Methane, Micro gas turbines, Pressure, Stability

Proceedings Papers

Automatized Experimental Combustor Development Using Adaptive Surrogate Model-Based Optimization

Johann Moritz Reumschüssel, Philipp Maximilian zur Nedden, Jakob G. R. von Saldern, Thoralf G. Reichel, Bernhard Ćosić, Christian Oliver Paschereit

Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A048, June 13–17, 2022

Paper No: GT2022-81756

DOI: https://doi.org/10.1115/GT2022-81756

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Topics: Combustion chambers, Optimization, Flames, Emissions, Fuels, Gas turbines, Nitrogen oxides, Stability, Valves, Artificial intelligence

Proceedings Papers

Hysteresis and Bi-Stability in Transversely Excited Swirling Flows

Ravi Gupta, Rajat Gohiya, Chandan Vempati, Santosh Hemchandra, Pratikash Panda

Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A025, June 13–17, 2022

Paper No: GT2022-80771

DOI: https://doi.org/10.1115/GT2022-80771

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Topics: Acoustics, Stability, Swirling flow

Proceedings Papers

Numerical Investigation on the Effect of Fuel Injection Location in a Multi-Swirl Lean Direct Injection Burner

Perikathra Sarath, Raparti Jogesh Aditya, T. M. Muruganandam

Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A024, June 13–17, 2022

Paper No: GT2022-80762

DOI: https://doi.org/10.1115/GT2022-80762

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Topics: Computational fluid dynamics, Emissions, Fuels, Nitrogen oxides, Flow (Dynamics), Flames, Combustion, Temperature, Turbulence, Air flow

Proceedings Papers

Optimum Injector Parameters for Thermoacoustic Stability in a Multi-Nozzle Can Combustion System

Vishal Acharya

Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A051, June 13–17, 2022

Paper No: GT2022-83392

DOI: https://doi.org/10.1115/GT2022-83392

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Topics: Combustion systems, Ejectors, Nozzles, Stability

NARROW

Mixed Whirl Modes in Numerical Rotordynamics Analysis

Stability Analysis of an Industrial Blade Accounting for a Blade-Tip/Casing Nonlinear Interface

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

Fan Stability Enhancement With Partial Casing Treatments

Leakage Flow Impact on Shrouded Stator Cavity Flow Topology and Associated High Speed Axial Compressor Stage Performance

Casing Treatment: Its Potential and Limitations

Extending Highly Loaded Axial Fan Operability Range Through Novel Blade Design

Simulating Stall Inception in a High-Performance Fan With Clean and Distorted Inlets

Some Properties of the Exit Velocity Triangle of a Radial Compressor Impeller

Computational Flow Field Assessment of the Inlet Region of Centrifugal Compressor Under Unsteady Flow Conditions Near Surge

On the Impact of the Turbulence Model on the Secondary Flow Structure of a Highly-Loaded Compressor Stage

Calibrated Rotation-Helicity-Quadratic Constitutive Relation Spalart-Allmaras (R-H-QCR SA) Model for the Prediction of Multi-Stage Compressor Characteristics

Identification and Stability Analysis of a Turbojet Engine in Start-Up Mode

Experimental Investigation of CH 4 -Humid Air Flame Characteristic of a Novel Micromix Concept Model Burner

Micro-mixing Combustion for Highly Recuperated Gas Turbines: Effects of Inlet Temperature and Fuel Composition on Combustion Stability and NOx Emissions

Lean Stability Limits and Exhaust Emissions of Ammonia-Methane-Air Swirl Flames at Micro Gas Turbine Relevant Pressure

Automatized Experimental Combustor Development Using Adaptive Surrogate Model-Based Optimization

Hysteresis and Bi-Stability in Transversely Excited Swirling Flows

Numerical Investigation on the Effect of Fuel Injection Location in a Multi-Swirl Lean Direct Injection Burner

Optimum Injector Parameters for Thermoacoustic Stability in a Multi-Nozzle Can Combustion System

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