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Proceedings Papers

Numerical Method for Investigating Non-Ideal Flow Demonstrated on a Centrifugal Compressor Operating Near the Critical Point of CO2

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Katharina Tegethoff, Carolina Borges de Almeida, Sebastian Schuster, Dieter Brillert
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A012, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124068
https://doi.org/10.1115/GT2024-124068
View Paper titled, Numerical Method for Investigating Non-Ideal Flow Demonstrated on a Centrifugal Compressor Operating Near the Critical Point of CO2
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Topics: Carbon dioxide, Compressors, Flow (Dynamics), Numerical analysis, Fluids, Compressibility, Computational fluid dynamics, Aerospace industry, Compressible flow, Equations of state
Proceedings Papers

Lattice-Boltzmann Modelling of Internal Compressible Flows: Application to the Transonic LS89 Cascade

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Iason Tsetoglou, Song Zhao, Jérôme Jacob, Pierre Boivin
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A014, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123051
https://doi.org/10.1115/GT2024-123051
View Paper titled, Lattice-Boltzmann Modelling of Internal Compressible Flows: Application to the Transonic LS89 Cascade
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Topics: Cascades (Fluid dynamics), Compressible flow, Internal flow, Lattice Boltzmann methods, Modeling, Flow (Dynamics), Blades, Computational fluid dynamics, Convection, Gas turbines
Proceedings Papers

Aerodynamic Shape Optimization of a Stator

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Payam Dehpanah, C. J. Doolittle, Carsten Fuetterer, Mattia Brenner
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A028, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125897
https://doi.org/10.1115/GT2024-125897
View Paper titled, Aerodynamic Shape Optimization of a Stator
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Topics: Shape optimization, Stators, Design, Geometry, Optimization, Flow (Dynamics), Pressure, Boundary-value problems, Compressible flow, Compressors
Proceedings Papers

Effect of Leading-Edge Inlet Models on the Performance of Gas Bearings Operating in Highly Compressible Flow Regimes

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Arvind Prabhakar, Daejong Kim
Proc. ASME. GT2023, Volume 9: Microturbines, Turbochargers, and Small Turbomachines; Oil and Gas Applications, V009T18A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102298
https://doi.org/10.1115/GT2023-102298
View Paper titled, Effect of Leading-Edge Inlet Models on the Performance of Gas Bearings Operating in Highly Compressible Flow Regimes
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Topics: Compressible flow, Gas bearings, Navier-Stokes equations, Pressure
Proceedings Papers

Implementation of a Central Upwind Scheme in Unsteady Compressible Flow Simulation of Multi-Stage Axial-Centrifugal Compressor

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Zhenhao Jing, Yedidia Neumeier, J. V. R. Prasad, Darrell K. James
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT32A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101015
https://doi.org/10.1115/GT2023-101015
View Paper titled, Implementation of a Central Upwind Scheme in Unsteady Compressible Flow Simulation of Multi-Stage Axial-Centrifugal Compressor
Open the PDF for Implementation of a Central Upwind Scheme in Unsteady Compressible Flow Simulation of Multi-Stage Axial-Centrifugal Compressor in another window
Topics: Compressible flow, Compressors, Flow (Dynamics), Simulation
Proceedings Papers

Computational Assessment of Labyrinth Seal Parametric Variation on Leakage Prediction Using Modified Direct Analytical Model in Transient and Steady Operation

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Gürkan Ertuğral, Dündar Uçar
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT14A021, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103791
https://doi.org/10.1115/GT2023-103791
View Paper titled, Computational Assessment of Labyrinth Seal Parametric Variation on Leakage Prediction Using Modified Direct Analytical Model in Transient and Steady Operation
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Topics: Leakage, Leakage flows, Transients (Dynamics), Flow (Dynamics), Clearances (Engineering), Compressible flow, Computational fluid dynamics, Experimental design, Gas turbines, Kinetic energy
Proceedings Papers

Compressible Flow Calculation for Brush Seals Embedded Within Stepped Labyrinth Tooth Arrays

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Robert Collis, Peter Crudgington, Aaron Bowsher, Raymond Chupp
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT14A001, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100950
https://doi.org/10.1115/GT2023-100950
View Paper titled, Compressible Flow Calculation for Brush Seals Embedded Within Stepped Labyrinth Tooth Arrays
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Topics: Compressible flow, Approximation, Computational methods, Computer simulation, Engineers, Machine design, Sealing (Process)
Proceedings Papers

High-Order Spectral/hp Compressible and Incompressible Comparison of Transitional Boundary-Layers Subject to a Realistic Pressure Gradient and High Reynolds Number

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Guglielmo Vivarelli, João Anderson Isler, Francesco Montomoli, Spencer J. Sherwin, Paolo Adami
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A024, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82100
https://doi.org/10.1115/GT2022-82100
View Paper titled, High-Order Spectral/hp Compressible and Incompressible Comparison of Transitional Boundary-Layers Subject to a Realistic Pressure Gradient and High Reynolds Number
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Topics: Boundary layers, Pressure gradient, Reynolds number, Flow (Dynamics), Turbulence, Bubbles, Compressibility, Compressible flow, Computer simulation, Cross-flow
Proceedings Papers

Large Eddy Simulation of Turbulent Flow Through a Compressor Cascade

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Syed Anjum Haider Rizvi, Joseph Mathew
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A040, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83081
https://doi.org/10.1115/GT2022-83081
View Paper titled, Large Eddy Simulation of Turbulent Flow Through a Compressor Cascade
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Topics: Cascades (Fluid dynamics), Compressors, Large eddy simulation, Turbulence, Blades, Separation (Technology), Chords (Trusses), Suction, Airfoils, Boundary layers
Proceedings Papers

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

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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

Large Eddy Simulations of Wind Turbine Flows

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Jérôme Dabas, Laurent Gicquel, Nicolas Odier, Florent Duchaine
Proc. ASME. GT2022, Volume 11: Wind Energy, V011T38A011, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
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

Numerical Calibration and Investigation of the Influence Of Reynolds Number on Measurements With Five-Hole Probes In Compressible Flows

Open Access

Christian Schäffer, Konstantin Speck, Volker Gümmer
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T05A002, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58618
https://doi.org/10.1115/GT2021-58618
View Paper titled, Numerical Calibration and Investigation of the Influence Of Reynolds Number on Measurements With Five-Hole Probes In Compressible Flows
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Topics: Calibration, Compressible flow, Probes, Reynolds number
Proceedings Papers

Determining Total Pressure Fields From Velocimetry Measurements in a Transonic Turbine Flowfield

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Alexander Rusted, Stephen Lynch
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A009, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59388
https://doi.org/10.1115/GT2021-59388
View Paper titled, Determining Total Pressure Fields From Velocimetry Measurements in a Transonic Turbine Flowfield
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Topics: Pressure, Turbines, Temperature, Flow (Dynamics), Compressible flow, Errors, Momentum, Computational fluid dynamics, Entropy, Film cooling
Proceedings Papers

Design Guidelines for Axial Turbines Operating With Non-Ideal Compressible Flows

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Andrea Giuffre’, Matteo Pini
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A002, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14209
https://doi.org/10.1115/GT2020-14209
View Paper titled, Design Guidelines for Axial Turbines Operating With Non-Ideal Compressible Flows
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Topics: Compressible flow, Design, Turbines, Flow (Dynamics), Compressibility, Fluids, Engineering simulation, Pressure, Reynolds-averaged Navier–Stokes equations, Simulation
Proceedings Papers

High-Fidelity Calculation of Floating Offshore Wind Turbines Under Pitching Motion

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Andrea Ortolani, Giacomo Persico, Jernej Drofelnik, Adrian Jackson, M. Sergio Campobasso
Proc. ASME. GT2020, Volume 12: Wind Energy, V012T42A012, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15552
https://doi.org/10.1115/GT2020-15552
View Paper titled, High-Fidelity Calculation of Floating Offshore Wind Turbines Under Pitching Motion
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Topics: Floating wind turbines, Rotors, Computational fluid dynamics, Blades, Wakes, Aerodynamics, Engineering simulation, Simulation, Stress, Turbines
Proceedings Papers

Profile Loss of Ultra-Highly Loaded Turbine Cascade at Transonic Flow Condition

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Hoshio Tsujita, Masanao Kaneko
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT40A019, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91264
https://doi.org/10.1115/GT2019-91264
View Paper titled, Profile Loss of Ultra-Highly Loaded Turbine Cascade at Transonic Flow Condition
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Topics: Cascades (Fluid dynamics), Transonic flow, Turbines, Mach number, Turbine components, Compressible flow, Computation, Computational fluid dynamics, Energy recovery, Gas turbines
Proceedings Papers

A Methodology for Steady and Unsteady Full-Engine Simulations

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Luigi Romagnosi, Yingchen Li, Mohamed Mezine, Mateus Teixeira, Stephane Vilmin, Jan E. Anker, Kilian Claramunt, Yannick Baux, Charles Hirsch
Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A002, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90110
https://doi.org/10.1115/GT2019-90110
View Paper titled, A Methodology for Steady and Unsteady Full-Engine Simulations
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Topics: Engines, Simulation, Combustion chambers, Turbines, Compressors, Combustion, Blades, Computational fluid dynamics, Flamelet generated manifold, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Transcritical / Supercritical CO2 Recompression Brayton Cycle Using a Novel Rotary Liquid Piston Compressor

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Azam Thatte
Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A019, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91088
https://doi.org/10.1115/GT2019-91088
View Paper titled, Transcritical / Supercritical CO2 Recompression Brayton Cycle Using a Novel Rotary Liquid Piston Compressor
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Topics: Brayton cycle, Compressors, Pistons, Supercritical carbon dioxide, Compression, Carbon dioxide, Fluids, Flow (Dynamics), Temperature, Bearings
Proceedings Papers

Design of a Working Fluid Versatile Supersonic Turbine for Micro Launchers

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Cleopatra Cuciumita, Valeriu Vilag
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT40A016, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91255
https://doi.org/10.1115/GT2019-91255
View Paper titled, Design of a Working Fluid Versatile Supersonic Turbine for Micro Launchers
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Topics: Design, Fluids, Turbines, Fuels, Geometry, Mach number, Shock waves, Computer simulation, Flow (Dynamics), Vehicles
Proceedings Papers

An Analytical Shock-Loss Model Fully Integrated to a Streamline Curvature Method for Axial-Flow Compressors

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Hasani Azamar Aguirre, Vassilios Pachidis, Ioannis Templalexis
Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A036, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91701
https://doi.org/10.1115/GT2019-91701
View Paper titled, An Analytical Shock-Loss Model Fully Integrated to a Streamline Curvature Method for Axial-Flow Compressors
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Topics: Axial flow, Compressors, Shock (Mechanics), Design, Blades, Flow (Dynamics), Physics, Pressure, Compressible flow, Computational fluid dynamics