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Proceedings Papers

Describing the Mechanism of Instability Suppression Using a Central Pilot Flame With Coupled Experiments and Simulations

Jihang Li, Hyunguk Kwon, Drue Seksinsky, Daniel Doleiden, Jacqueline O’Connor, Yuan Xuan, Michel Akiki, James Blust

Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A040, June 7–11, 2021

Paper No: GT2021-59117

DOI: https://doi.org/10.1115/GT2021-59117

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Topics: Flames, Simulation, Combustion chambers, Oscillations, Combustion, Flow (Dynamics), Emissions, Gas turbines, Gases, Acoustics

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

Paper No: GT2021-58794

DOI: https://doi.org/10.1115/GT2021-58794

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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

Paper No: GT2021-58358

DOI: https://doi.org/10.1115/GT2021-58358

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Topics: Dynamics (Mechanics), Nozzles, Oscillations, Unsteady flow, Flow (Dynamics), Vortices, Bubbles, Combustion chambers, Turbulence, Emissions

Proceedings Papers

Relative Effects of Velocity- and Mixture-Coupling in a Thermoacoustically Unstable, Partially-Premixed Flame

Ashwini Karmarker, Jacqueline O’Connor, Isaac Boxx

Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A039, June 7–11, 2021

Paper No: GT2021-59113

DOI: https://doi.org/10.1115/GT2021-59113

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Topics: Flames, Flow (Dynamics), Combustion chambers, Gas turbines, Oscillations, Combustion, Dynamics (Mechanics), Fluctuations (Physics), Fluorescence, Fuels

Proceedings Papers

Vortex Breakdown and Recirculation Bubble Formation in Counter Swirl Flows

Ravi K. Bompelly, Sai Phani Keerthan Ponduri, Sriharsha Maddila

Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A022, June 7–11, 2021

Paper No: GT2021-60005

DOI: https://doi.org/10.1115/GT2021-60005

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Topics: Bubbles, Flow (Dynamics), Vortices

Proceedings Papers

Binary Repetitive Model Predictive Active Flow Control Applied to an Annular Compressor Stator Cascade With Periodic Disturbances

Benjamin Fietzke, Rudibert King, Jan Mihalyovics, Dieter Peitsch

Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T05A003, June 7–11, 2021

Paper No: GT2021-58744

DOI: https://doi.org/10.1115/GT2021-58744

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Topics: Cascades (Fluid dynamics), Compressors, Flow control, Stators, Flow (Dynamics), Pressure, Suction, Combustion, Corners (Structural elements), Disks

Proceedings Papers

Online (Remote) Teaching for Laboratory Based Courses Using “Digital Twins” of the Experiments

Sabri Deniz, Ulf Christian Müller, Ivo Steiner, Thomas Sergi

Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T08A002, June 7–11, 2021

Paper No: GT2021-58697

DOI: https://doi.org/10.1115/GT2021-58697

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Topics: Teaching, Energy / power systems, Pandemics, Education, Flow (Dynamics), Fluid mechanics, Fluids, Pumps, Students, Thermodynamics

Proceedings Papers

Implementation of Vortex Generator and Ramp to Improve Film Cooling Effectiveness on Blade Endwall

Sadam Hussain, Xin Yan

Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A019, June 7–11, 2021

Paper No: GT2021-59530

DOI: https://doi.org/10.1115/GT2021-59530

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Topics: Blades, Film cooling, Generators, Vortices

Proceedings Papers

Comparison of Film Cooling Performance for Different Purge Slot Configurations in a Cylindrical and State-of-the-Art Nozzle Guide Vane

Christian Landfester, Gunther Müller, Robert Krewinkel, Clemens Domnick, Martin Böhle

Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A011, June 7–11, 2021

Paper No: GT2021-59229

DOI: https://doi.org/10.1115/GT2021-59229

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Topics: Film cooling, Nozzle guide vanes, Design, Flow (Dynamics), Coolants, Cascades (Fluid dynamics), Engines, High pressure (Physics), Pressure, Turbines

Proceedings Papers

Unsteady Film Cooling Performance on the High Pressure Turbine Shroud Under Rotor-Stator Interaction for an Aero-Engine

Zihao Bao, Zhihai Kou, Bo Han, Guangchao Li

Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A003, June 7–11, 2021

Paper No: GT2021-58889

DOI: https://doi.org/10.1115/GT2021-58889

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Topics: Aircraft engines, Blades, Clearances (Engineering), Film cooling, High pressure (Physics), Leakage, Leakage flows, Rotors, Stators, Turbines

Proceedings Papers

Analysis of LES and 1D Hot-Wire Data to Determine Actively Generated Main Flow Turbulence in a Film Cooling Test Rig

Lukas Fischer, Michael Straußwald, Michael Pfitzner

Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A002, June 7–11, 2021

Paper No: GT2021-58661

DOI: https://doi.org/10.1115/GT2021-58661

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Topics: Film cooling, Flow (Dynamics), Turbulence, Wire, Probes, Generators, Signals, Vortices, Anisotropy, Combustion chambers

Proceedings Papers

Experimental Investigation and Optimal Design on the Film Cooling Performance of Fan-Shaped Hole With Vortex Generator Fed by Crossflow

Jie Wang, Chao Zhang, Xuebin Liu, Liming Song, Jun Li, Zhenping Feng

Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A008, June 7–11, 2021

Paper No: GT2021-59144

DOI: https://doi.org/10.1115/GT2021-59144

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Topics: Design, Film cooling, Generators, Vortices

Proceedings Papers

DDES Numerical Investigations on Coherent Structures in Trailing-Edge Film Cooling Combined With Pressure-Side Film Hole

Xiangtao Xiao, Pei Wang, Qiang Du, Qingzong Xu, Jun Liu

Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A009, June 7–11, 2021

Paper No: GT2021-59150

DOI: https://doi.org/10.1115/GT2021-59150

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Topics: Delay differential equations, Film cooling, Pressure, Vortices, Coolants, Shear (Mechanics), Design, Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Temperature

Proceedings Papers

Film Cooling Effectiveness Enhancement Using Multi-Longitudinal Vortex Generated by Alternating Elliptical Film Holes

Kun Xiao, Juan He, Zhenping Feng

Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A001, June 7–11, 2021

Paper No: GT2021-58451

DOI: https://doi.org/10.1115/GT2021-58451

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Topics: Cooling, Film cooling, Kidney, Pressure, Vortices

Proceedings Papers

Multi-Objective Optimization on the Fluid Flow and Heat Transfer of Semi-Attached Rib-Channels

Xu Wang, Huazhao Xu, Jianhua Wang, Yuefeng Li, Wei Song

Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A002, June 7–11, 2021

Paper No: GT2021-58725

DOI: https://doi.org/10.1115/GT2021-58725

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Topics: Cooling, Fluid dynamics, Heat transfer, Pareto optimization, Friction, Heat transfer coefficients, Optimization, Pressure, Algorithms, Blades

Proceedings Papers

Unsteady Pressure Measurements in a Heated Rotating Cavity

Richard W. Jackson, Hui Tang, James A. Scobie, Oliver J. Pountney, Carl M. Sangan, J. Michael Owen, Gary D. Lock

Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A005, June 7–11, 2021

Paper No: GT2021-59090

DOI: https://doi.org/10.1115/GT2021-59090

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Topics: Cavities, Pressure measurement, Vortices, Buoyancy, Engines, Flow (Dynamics), Aircraft engines, Cavity flows, Compressors, Computational fluid dynamics

Proceedings Papers

Investigation of Unsteady Flow Characteristics in Axial Rim Seal

Lei Xie, Qiang Du, Guang Liu, Zengyan Lian, Ran Ren

Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A002, June 7–11, 2021

Paper No: GT2021-58822

DOI: https://doi.org/10.1115/GT2021-58822

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Topics: Computational fluid dynamics, Unsteady flow, Flow (Dynamics), Sealing (Process), Cavities, Wheels, Pressure, Vortices, Coriolis force, Inertia (Mechanics)

Proceedings Papers

Measurement of Heat Transfer and Flow Structures in a Closed Rotating Cavity

Richard W. Jackson, Hui Tang, James A. Scobie, J. Michael Owen, Gary D. Lock

Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A013, June 7–11, 2021

Paper No: GT2021-59605

DOI: https://doi.org/10.1115/GT2021-59605

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Topics: Cavities, Flow (Dynamics), Heat transfer, Disks, Temperature, Compressibility, Engines, Buoyancy, Compressors, Gas turbines

Proceedings Papers

Vortex Tracking of Purge-Mainstream Interactions in a Rotating Turbine Stage

Alex W. Mesny, Mark A. Glozier, Oliver J. Pountney, James A. Scobie, Yan Sheng Li, David J. Cleaver, Carl M. Sangan

Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A012, June 7–11, 2021

Paper No: GT2021-59701

DOI: https://doi.org/10.1115/GT2021-59701

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Topics: Flow (Dynamics), Turbines, Vortices

Proceedings Papers

Assessment of Profile Transformation for Turbomachinery Large Eddy Simulations - From Academic to Industrial Applications

Clovis Gout, Dimitrios Papadogiannis, Jérôme Dombard, Florent Duchaine, Laurent Gicquel, Nicolas Odier

Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A020, June 7–11, 2021

Paper No: GT2021-59293

DOI: https://doi.org/10.1115/GT2021-59293

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Topics: Large eddy simulation, Turbomachinery, Blades, Engineering simulation, Flow (Dynamics), Simulation, Approximation, Convection, Design, Errors

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NARROW

Describing the Mechanism of Instability Suppression Using a Central Pilot Flame With Coupled Experiments and Simulations

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

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

Relative Effects of Velocity- and Mixture-Coupling in a Thermoacoustically Unstable, Partially-Premixed Flame

Vortex Breakdown and Recirculation Bubble Formation in Counter Swirl Flows

Binary Repetitive Model Predictive Active Flow Control Applied to an Annular Compressor Stator Cascade With Periodic Disturbances

Online (Remote) Teaching for Laboratory Based Courses Using “Digital Twins” of the Experiments

Implementation of Vortex Generator and Ramp to Improve Film Cooling Effectiveness on Blade Endwall

Comparison of Film Cooling Performance for Different Purge Slot Configurations in a Cylindrical and State-of-the-Art Nozzle Guide Vane

Unsteady Film Cooling Performance on the High Pressure Turbine Shroud Under Rotor-Stator Interaction for an Aero-Engine

Analysis of LES and 1D Hot-Wire Data to Determine Actively Generated Main Flow Turbulence in a Film Cooling Test Rig

Experimental Investigation and Optimal Design on the Film Cooling Performance of Fan-Shaped Hole With Vortex Generator Fed by Crossflow

DDES Numerical Investigations on Coherent Structures in Trailing-Edge Film Cooling Combined With Pressure-Side Film Hole

Film Cooling Effectiveness Enhancement Using Multi-Longitudinal Vortex Generated by Alternating Elliptical Film Holes

Multi-Objective Optimization on the Fluid Flow and Heat Transfer of Semi-Attached Rib-Channels

Unsteady Pressure Measurements in a Heated Rotating Cavity

Investigation of Unsteady Flow Characteristics in Axial Rim Seal

Measurement of Heat Transfer and Flow Structures in a Closed Rotating Cavity

Vortex Tracking of Purge-Mainstream Interactions in a Rotating Turbine Stage

Assessment of Profile Transformation for Turbomachinery Large Eddy Simulations - From Academic to Industrial Applications

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