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Proceedings Papers

Specific Speed Considerations for Inward Flow Radial Supercritical CO 2 Turbines

Syed J. Hoque, Pramod Kumar, Pramod Chandra Gopi
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A011, June 13–17, 2022
Paper No: GT2022-82090
https://doi.org/10.1115/GT2022-82090
View Paper titled, Specific Speed Considerations for Inward Flow Radial Supercritical CO 2 Turbines
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Topics: Coriolis force, Design, Flow (Dynamics), Supercritical carbon dioxide, Turbines, Gas turbines, Blades, Rotors, Boundary-value problems, Computational fluid dynamics
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
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

A Probabilistic Method for Predicting Particle-Blade Impact Kinematics in Turbomachinery

D. Klaoudatos, N. Bojdo, A. Filippone, S. Covey-Crump, M. Jones, A. Pawley
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT31A006, June 13–17, 2022
Paper No: GT2022-80389
https://doi.org/10.1115/GT2022-80389
View Paper titled, A Probabilistic Method for Predicting Particle-Blade Impact Kinematics in Turbomachinery
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Topics: Blades, Kinematics, Particulate matter, Turbomachinery, Compressors, Particle collisions, Rotors, Kinetic energy, Probability, Chords (Trusses)
Proceedings Papers

Assessment of RANS Turbulence Models on Simplified Geometries Representative of Turbine Blade Tip Shroud Flow

Fatih Uncu, Benjamin François, Nicolas Buffaz, Sébastien Le Guyader
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A007, June 13–17, 2022
Paper No: GT2022-80681
https://doi.org/10.1115/GT2022-80681
View Paper titled, Assessment of RANS Turbulence Models on Simplified Geometries Representative of Turbine Blade Tip Shroud Flow
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Topics: Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Turbine blades, Turbulence, Blades, Eddies (Fluid dynamics), Engineering simulation, Kinetic energy, Pressure, Reynolds stress
Proceedings Papers

On the Use of Kinetic-Energy Balance for the Feature-Based Mesh Adaptation Applied to Large-Eddy Simulation in Complex Geometries

Adrien Grenouilloux, Guillaume Balarac, Julien Leparoux, Vincent Moureau, Ghislain Lartigue, Pierre Bénard, Renaud Mercier, Paul Ferrey
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A006, June 13–17, 2022
Paper No: GT2022-80315
https://doi.org/10.1115/GT2022-80315
View Paper titled, On the Use of Kinetic-Energy Balance for the Feature-Based Mesh Adaptation Applied to Large-Eddy Simulation in Complex Geometries
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Topics: Kinetic energy, Large eddy simulation, Flow (Dynamics), Jets, Momentum, Nozzles, Resolution (Optics)
Proceedings Papers

Development of Machine-Learnt Turbulence Closures for Wake Mixing Predictions in Low-Pressure Turbines

Yuri Frey Marioni, Paolo Adami, Raul Vazquez Diaz, Andrea Cassinelli, Spencer Sherwin, Francesco Montomoli
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A032, June 13–17, 2022
Paper No: GT2022-82531
https://doi.org/10.1115/GT2022-82531
View Paper titled, Development of Machine-Learnt Turbulence Closures for Wake Mixing Predictions in Low-Pressure Turbines
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Topics: Machinery, Pressure, Turbines, Turbulence, Wakes, Artificial neural networks, Aircraft engines, Algebra, Flow (Dynamics), Kinetic energy
Proceedings Papers

Multi-Objective Development of Machine-Learnt Closures for Fully Integrated Transition and Wake Mixing Predictions in Low Pressure Turbines

Harshal D. Akolekar, Fabian Waschkowski, Roberto Pacciani, Yaomin Zhao, Richard D. Sandberg
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A013, June 13–17, 2022
Paper No: GT2022-81091
https://doi.org/10.1115/GT2022-81091
View Paper titled, Multi-Objective Development of Machine-Learnt Closures for Fully Integrated Transition and Wake Mixing Predictions in Low Pressure Turbines
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Topics: Machinery, Pressure, Turbines, Wakes, Blades, Computational fluid dynamics, Machine learning, Boundary layers, Reynolds number, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Crosswind Aerodynamic Analysis Using Quasi 3D Ducts

Sumit Shankar Sarvankar, Adrin Issai Arasu, Nagabhushana Rao Vadlamani
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A018, June 13–17, 2022
Paper No: GT2022-82964
https://doi.org/10.1115/GT2022-82964
View Paper titled, Crosswind Aerodynamic Analysis Using Quasi 3D Ducts
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Topics: Ducts, Plasmas (Ionized gases), Separation (Technology), Actuators, Aerodynamics, Boundary layers, Computer simulation, Design, Flow (Dynamics), Flow control
Proceedings Papers

Large Eddy Simulations of Wind Turbine Flows

Jérôme Dabas, Laurent Gicquel, Nicolas Odier, Florent Duchaine
Proc. ASME. GT2022, Volume 11: Wind Energy, V011T38A011, June 13–17, 2022
Paper No: GT2022-82096
https://doi.org/10.1115/GT2022-82096
View Paper titled, Large Eddy Simulations of Wind Turbine Flows
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Topics: Flow (Dynamics), Large eddy simulation, Wind turbines, Wakes, Computational fluid dynamics, Engineering simulation, Simulation, Turbines, Turbulence, Wind farms
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
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

Spray Characterization of a Preheated Bio-Oil Surrogate at Elevated Pressures

Mohsen Broumand, Murray J. Thomson, Sean Yun, Zekai Hong
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T03A003, June 13–17, 2022
Paper No: GT2022-80430
https://doi.org/10.1115/GT2022-80430
View Paper titled, Spray Characterization of a Preheated Bio-Oil Surrogate at Elevated Pressures
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Topics: Sprays, Density, Drops, Fluids, Lasers, Momentum, Viscosity, Chemical reactions, Combustion, Computer simulation
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
https://doi.org/10.1115/GT2022-80762
View Paper titled, Numerical Investigation on the Effect of Fuel Injection Location in a Multi-Swirl Lean Direct Injection Burner
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Topics: Computational fluid dynamics, Emissions, Fuels, Nitrogen oxides, Flow (Dynamics), Flames, Combustion, Temperature, Turbulence, Air flow
Proceedings Papers

Numerical Modeling of Liquid Jet in Non-Uniform Crossflow Using Enhanced Madabhushi Model

Homayoon Feiz, Wei Zhao, Dominik Kubicki, Marcin Frackowiak, Vivek Kumar, Harshrajsinh Jadeja, Pravin Nakod, Sourabh Shrivastava, Sravan K. Nallamothu, Markus Lambert, Jong Guen Lee, Jinkwan Song
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A034, June 13–17, 2022
Paper No: GT2022-82766
https://doi.org/10.1115/GT2022-82766
View Paper titled, Numerical Modeling of Liquid Jet in Non-Uniform Crossflow Using Enhanced Madabhushi Model
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Topics: Combustion chambers, Computer simulation, Cross-flow, Diesel, Drops, Engine design, Gas flow, Gas turbines, Jets, Kinetic energy
Proceedings Papers

Performance Assessment of Tesla Expander Using 3D Numerical Simulation

Avinash Renuke, Alberto Traverso
Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T06A024, June 13–17, 2022
Paper No: GT2022-82690
https://doi.org/10.1115/GT2022-82690
View Paper titled, Performance Assessment of Tesla Expander Using 3D Numerical Simulation
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Topics: Computer simulation, Turbines, Flow (Dynamics), Rotors, Disks, Stators, Fluids, Bearings, Computational fluid dynamics, Computer software
Proceedings Papers

Static and Rotordynamic Characteristics for Two Novel Hole-Pattern Annular Liquid Seals With Circumferentially- /Axially- Oblique Hole Cavities

Zhi Fang, Zhigang Li, Jun Li, Zhenping Feng
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A013, June 7–11, 2021
Paper No: GT2021-58996
https://doi.org/10.1115/GT2021-58996
View Paper titled, Static and Rotordynamic Characteristics for Two Novel Hole-Pattern Annular Liquid Seals With Circumferentially- /Axially- Oblique Hole Cavities
Open the PDF for Static and Rotordynamic Characteristics for Two Novel Hole-Pattern Annular Liquid Seals With Circumferentially- /Axially- Oblique Hole Cavities in another window
Topics: Cavities, Leakage, Design, Abrasion, Manufacturing, Rotors, Transients (Dynamics), Bearings, Centrifugal pumps, Clearances (Engineering)
Proceedings Papers

Experimental Investigation Into Gravity Drained Journal Bearings

Rohit Khattar, Sudeep Bosu, Kashinath Akki, Amit Paspulati
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A008, June 7–11, 2021
Paper No: GT2021-58804
https://doi.org/10.1115/GT2021-58804
View Paper titled, Experimental Investigation Into Gravity Drained Journal Bearings
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Topics: Gravity (Force), Journal bearings, Bearings, Design, Flow (Dynamics), Drainage, Kinetic energy, Rotors, Swirling flow, Failure
Proceedings Papers

Effective Clearance And Differential Gapping Impact on Seal Flutter Modelling and Validation

Roque Corral, Michele Greco, Almudena Vega
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A006, June 7–11, 2021
Paper No: GT2021-58846
https://doi.org/10.1115/GT2021-58846
View Paper titled, Effective Clearance And Differential Gapping Impact on Seal Flutter Modelling and Validation
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Topics: Clearances (Engineering), Flutter (Aerodynamics), Modeling, Stability, Accounting, Cavities, Computer simulation, Engineering simulation, Kinetic energy, Navier-Stokes equations
Proceedings Papers

The Effect of Inlet Conditions on Turbine Endwall Loss

John D. Coull, Christopher J. Clark
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A011, June 7–11, 2021
Paper No: GT2021-59694
https://doi.org/10.1115/GT2021-59694
View Paper titled, The Effect of Inlet Conditions on Turbine Endwall Loss
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Topics: Turbines, Vorticity, Blades, Boundary layers, Boundary-value problems, Design, Displacement, Energy dissipation, Flow (Dynamics), Kinetic energy
Proceedings Papers

Development of Turbulent Quantities Inside an Axial Turbine Vane

Stephan Behre, Dragan Kožulović, Christian Hösgen, Peter Jeschke
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A014, June 7–11, 2021
Paper No: GT2021-60013
https://doi.org/10.1115/GT2021-60013
View Paper titled, Development of Turbulent Quantities Inside an Axial Turbine Vane
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Topics: Turbines, Turbulence, Stators, Kinetic energy, Wire, Algebra, Anisotropy, Axial flow, Computational fluid dynamics, Engineering simulation
Proceedings Papers

Evaluating the Influence of Rotor-Casing Eccentricity on Turbine Efficiency Including Time-Resolved Flow Field Measurements

Eric T. DeShong, Shawn Siroka, Reid A. Berdanier, Karen A. Thole
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A005, June 7–11, 2021
Paper No: GT2021-59112
https://doi.org/10.1115/GT2021-59112
View Paper titled, Evaluating the Influence of Rotor-Casing Eccentricity on Turbine Efficiency Including Time-Resolved Flow Field Measurements
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Topics: Flow (Dynamics), Rotors, Turbines, Clearances (Engineering), Engines, Analytical methods, Bearings, Blades, Control systems, Gas turbines