Topics: Cavitation , Modeling , Simulation , Flow (Dynamics) , Pumps , Compressibility , Vapors , Computer simulation , Equations of state , Equilibrium (Physics)

Design Optimization of Integrated Anti-Rotation Feature for Power Turbine Nozzles

Abhimanyu Soman, Simone Colantoni

GT 2022; V10CT32A003https://doi.org/10.1115/GT2022-78254

Abstract

View Articletitled, Design Optimization of Integrated Anti-Rotation Feature for Power Turbine Nozzles

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Topics: Design , Nozzles , Optimization , Rotation , Turbines

Numerical Observations of a Stall Phenomenon in the NASA CC3 Compressor

Michael Ni, Gregorio Robles Vega, Ron Ho Ni, John Clark, Michael List

GT 2022; V10CT32A004https://doi.org/10.1115/GT2022-78911

Abstract

View Articletitled, Numerical Observations of a Stall Phenomenon in the NASA CC3 Compressor

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Topics: Compressors , NASA , Engineering simulation , Simulation , Flow (Dynamics) , Annulus , Approximation , Design , Diffusers , Numerical analysis

Low Mach Preconditioning for Turbomachinery Flow Simulations With Cavities and Variable Gas Compositions

Pierre Sivel, Christian Frey, Edmund Kügeler, Markus Keil

GT 2022; V10CT32A005https://doi.org/10.1115/GT2022-79369

Abstract

View Articletitled, Low Mach Preconditioning for Turbomachinery Flow Simulations With Cavities and Variable Gas Compositions

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Topics: Cavities , Flow simulation , Turbomachinery , Fluids , Computation , Exhaust systems , Gases , Computer simulation , Density , Inflow

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

GT 2022; V10CT32A006https://doi.org/10.1115/GT2022-80315

Abstract

View Articletitled, 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)

Multi-Fidelity Simulation for Secondary Air System Seal Design in Aero Engines

Adele Nasti, Ivan I. Voutchkov, David J. J. Toal, Andrew J. Keane

GT 2022; V10CT32A007https://doi.org/10.1115/GT2022-80391

Abstract

View Articletitled, Multi-Fidelity Simulation for Secondary Air System Seal Design in Aero Engines

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Topics: Aircraft engines , Design , Digital twin , Metamodeling , Optimization , Simulation

A Turbo-Oriented Data-Driven Modification to the Spalart-Allmaras Turbulence Model

Xiao He, Fanzhou Zhao, Mehdi Vahdati

GT 2022; V10CT32A008https://doi.org/10.1115/GT2022-80456

Abstract

View Articletitled, A Turbo-Oriented Data-Driven Modification to the Spalart-Allmaras Turbulence Model

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Topics: Turbochargers , Turbulence , Compressors , Rotors , Flow (Dynamics) , Corners (Structural elements) , NASA , Pressure , Pressure gradient , Separation (Technology)

A Coupled Computational Aero-Acoustics (CAA)/ Large-Eddy Simulation (LES) Approach for the Pressure Calculation in Internal Low-Mach Number Flows

Pierre Bénez, Ghislain Lartigue, Vincent Moureau, Guillaume Ribert, Marine Robin

GT 2022; V10CT32A009https://doi.org/10.1115/GT2022-80476

Abstract

View Articletitled, A Coupled Computational Aero-Acoustics (CAA)/ Large-Eddy Simulation (LES) Approach for the Pressure Calculation in Internal Low-Mach Number Flows

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Topics: Acoustics , Flow (Dynamics) , Large eddy simulation , Pressure , Simulation , Algorithms , Entropy , Fluctuations (Physics) , Internal flow , Navier-Stokes equations

Mesh Refinement and Inlet Turbulence Intensity in the Numerical Evaluation of Cooling Effectiveness: A Systematic Study on an Industrial Gas Turbine

Federico Lo Presti, Benjamin Winhart, Pascal Post, Francesca di Mare, Alexander Wiedermann, Johannes Greving, Robert Krewinkel

GT 2022; V10CT32A010https://doi.org/10.1115/GT2022-80958

Abstract

View Articletitled, Mesh Refinement and Inlet Turbulence Intensity in the Numerical Evaluation of Cooling Effectiveness: A Systematic Study on an Industrial Gas Turbine

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Topics: Cooling , Industrial gases , Turbines , Turbulence

Investigation of Physics-Informed Neural Networks Based Solution Techniques for Internal Flows

Pascal Post, Benjamin Winhart, Francesca di Mare

GT 2022; V10CT32A011https://doi.org/10.1115/GT2022-80960

Abstract

View Articletitled, Investigation of Physics-Informed Neural Networks Based Solution Techniques for Internal Flows

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Topics: Artificial neural networks , Internal flow , Physics , Cascades (Fluid dynamics) , Computational fluid dynamics , Pressure , Blades , Boundary-value problems , Dimensions , Flow (Dynamics)

Numerical Investigation of the Effects of Tip Clearance and Rotor Cavities on the Performance of a 1.5-Stage High-Work Turbine

Thorsten Hansen, Erik Munktell, Georg Scheuerer, Kim Zwiener

GT 2022; V10CT32A012https://doi.org/10.1115/GT2022-81059

Abstract

View Articletitled, Numerical Investigation of the Effects of Tip Clearance and Rotor Cavities on the Performance of a 1.5-Stage High-Work Turbine

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Topics: Cavities , Clearances (Engineering) , Computational fluid dynamics , Rotors , Turbines

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

GT 2022; V10CT32A013https://doi.org/10.1115/GT2022-81091

Abstract

View Articletitled, 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

Application of a Distributed Element Roughness Model to Additively Manufactured Internal Cooling Channels

Samuel Altland, Xiang Yang, Karen Thole, Robert Kunz, Stephen McClain

GT 2022; V10CT32A014https://doi.org/10.1115/GT2022-81218

Abstract

View Articletitled, Application of a Distributed Element Roughness Model to Additively Manufactured Internal Cooling Channels

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Topics: Additive manufacturing , Computational fluid dynamics , Cooling , Surface roughness

An Approximate Time Domain Nonlinear Harmonic Method for Analyzing Unsteady Flows With Multiple Fundamental Modes

Dingxi Wang, Sen Zhang

GT 2022; V10CT32A015https://doi.org/10.1115/GT2022-81564

Abstract

View Articletitled, An Approximate Time Domain Nonlinear Harmonic Method for Analyzing Unsteady Flows With Multiple Fundamental Modes

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Topics: Unsteady flow , Fourier transforms , Blades , Turbomachinery

Gas Turbine Transition Duct Design Considerations

Aparna Satheesh, S. Manoharan, Sendil Soundiramourty, S. Babu

GT 2022; V10CT32A016https://doi.org/10.1115/GT2022-81670

Abstract

View Articletitled, Gas Turbine Transition Duct Design Considerations

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Topics: Design , Ducts , Durability , Gas turbines , Maintenance

Gas Turbine Transition Duct Gap Assessment for Unsymmetrical Thermal Boundary Conditions

Manoharan Sambandam, Simone Colantoni

GT 2022; V10CT32A017https://doi.org/10.1115/GT2022-81672

Abstract

View Articletitled, Gas Turbine Transition Duct Gap Assessment for Unsymmetrical Thermal Boundary Conditions

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Topics: Boundary-value problems , Ducts , Gas turbines

Influence From Nozzle Guide Vane Wakes and Inlet End-Wall Boundary Layers on Turbine Rear Structure Aerodynamics

Pär Nylander, Srikanth Deshpande, Jonas Larsson

GT 2022; V10CT32A018https://doi.org/10.1115/GT2022-81677

Abstract

View Articletitled, Influence From Nozzle Guide Vane Wakes and Inlet End-Wall Boundary Layers on Turbine Rear Structure Aerodynamics

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Topics: Aerodynamics , Boundary layers , Nozzle guide vanes , Turbines , Wakes , Flow (Dynamics) , Boundary-value problems , Computational fluid dynamics , Engineering simulation , Simulation

Design Optimization of a High-Speed Twin-Stage Compressor for Next-Gen Aircraft Environmental Control System

Andrea Giuffre’, Piero Colonna, Matteo Pini

GT 2022; V10CT32A019https://doi.org/10.1115/GT2022-81690

Abstract

View Articletitled, Design Optimization of a High-Speed Twin-Stage Compressor for Next-Gen Aircraft Environmental Control System

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Topics: Aircraft , Compressors , Control systems , Design , Optimization , Compression , Cycles , Fluids , Machinery , Vapors

Modeling of Inviscid Flow Shock Formation in a Wedge-Shaped Domain Using a Physics-Informed Neural Network-Based Partial Differential Equation Solver

Ryno Laubscher, Pieter Rousseau, Chris Meyer

GT 2022; V10CT32A020https://doi.org/10.1115/GT2022-81768

Abstract

View Articletitled, Modeling of Inviscid Flow Shock Formation in a Wedge-Shaped Domain Using a Physics-Informed Neural Network-Based Partial Differential Equation Solver

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Topics: Artificial neural networks , Computational fluid dynamics , Inviscid flow , Modeling , Partial differential equations , Physics , Shock (Mechanics) , Wedges , Architecture , Equations of state

Parametric Studies and Simulations of a Hydrogen Micromix Combustor

Ainslie French, Giuseppe Mingione, Antonio Schettino, Pietro Roncioni, Pier Luigi Vitagliano, Mauro Minervino

GT 2022; V10CT32A021https://doi.org/10.1115/GT2022-81784

Abstract

View Articletitled, Parametric Studies and Simulations of a Hydrogen Micromix Combustor

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Topics: Combustion , Combustion chambers , Engineering simulation , Hydrogen , Simulation

Experimental Verification of a Practical Engineering Design Method for Mixed-Flow Compressor Stages

Chenqing Zhang, Chenxi Zhao, Yonghong Tang, Guang Xi

GT 2022; V10CT32A022https://doi.org/10.1115/GT2022-81969

Abstract

View Articletitled, Experimental Verification of a Practical Engineering Design Method for Mixed-Flow Compressor Stages

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Topics: Compressors , Design methodology , Engineering design , Flow (Dynamics)

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

GT 2022; V10CT32A023https://doi.org/10.1115/GT2022-82080

Abstract

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

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Topics: Compressors , Rotation , Stability , Turbulence

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

Guglielmo Vivarelli, João Anderson Isler, Francesco Montomoli, Spencer J. Sherwin, Paolo Adami

GT 2022; V10CT32A024https://doi.org/10.1115/GT2022-82100

Abstract

View Articletitled, 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

Numerical Investigation Into Maximum Pressure Capability of Intershaft Hydraulic Seals

Achinie Warusevitane, Kathy Johnson, Stephen Ambrose

GT 2022; V10CT32A025https://doi.org/10.1115/GT2022-82196

Abstract

View Articletitled, Numerical Investigation Into Maximum Pressure Capability of Intershaft Hydraulic Seals

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Topics: Computational fluid dynamics , Pressure , Fluids , Leakage , Air flow , Aircraft engines , Analytical methods , Cavities , Computer simulation , Design

New Method for Cycle Performance Prediction Based on Detailed Compressor and Gas Turbine Flow Calculations

Milan V. Petrovic, Alexander Wiedermann, Milan B. Banjac, Srdjan Milic, Djordje Petkovic, Teodora Madzar

GT 2022; V10CT32A026https://doi.org/10.1115/GT2022-82229

Abstract

View Articletitled, New Method for Cycle Performance Prediction Based on Detailed Compressor and Gas Turbine Flow Calculations

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Topics: Compressors , Cycles , Flow (Dynamics) , Gas turbines , Turbines , Cooling , Flow simulation , Temperature , Aerodynamics , Combustion

Analysis of Cavity Leakage Effects on Coupled Non-Axisymmetric Endwall-Airfoil Optimization in a Low-Speed Compressor Tandem Stator

Mattia Straccia, Samuele Giannini, Volker Gümmer

GT 2022; V10CT32A027https://doi.org/10.1115/GT2022-82418

Abstract

View Articletitled, Analysis of Cavity Leakage Effects on Coupled Non-Axisymmetric Endwall-Airfoil Optimization in a Low-Speed Compressor Tandem Stator

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Topics: Airfoils , Cavities , Compressors , Leakage , Optimization , Stators , Flow (Dynamics) , Design , Leakage flows , Geometry

A Numerical Study on the Effects of Circumferential Positions of Combustor Hot Streaks on a TCF Configuration

Richard Benauer, Stefan Schreck, Peter Leitl, Ena Badzek, Marios Patinios, Federica Farisco

GT 2022; V10CT32A028https://doi.org/10.1115/GT2022-82419

Abstract

View Articletitled, A Numerical Study on the Effects of Circumferential Positions of Combustor Hot Streaks on a TCF Configuration

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Topics: Combustion chambers , Engineering simulation , Flow (Dynamics) , Simulation , Fluids , Turbines , Bionics , Boundary-value problems , Geometry , High pressure (Physics)

Flow Design Using CFD for a Constant-Section Recursive Sequential Combustor

Andrea Hofer, Nina Paulitsch, Fabrice Giuliani

GT 2022; V10CT32A029https://doi.org/10.1115/GT2022-82420

Abstract

View Articletitled, Flow Design Using CFD for a Constant-Section Recursive Sequential Combustor

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Topics: Combustion chambers , Computational fluid dynamics , Design , Flow (Dynamics) , Combustion , Engineering simulation , Simulation , Flames , Flue gases , Momentum

A Microscale-Based Methodology to Predict the Performance Degradation in Turbomachinery due to Particle Deposition

Riccardo Friso, Nicola Zanini, Alessio Suman, Nicola Casari, Michele Pinelli

GT 2022; V10CT32A030https://doi.org/10.1115/GT2022-82425

Abstract

View Articletitled, A Microscale-Based Methodology to Predict the Performance Degradation in Turbomachinery due to Particle Deposition

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Topics: Microscale devices , Particulate matter , Turbomachinery , Compressors , Surface roughness , Axial flow , Computer simulation , Engineering simulation , Engines , Fluid dynamics

Application of 3D Inverse Design Method on a Transonic Compressor Stage

Luying Zhang, Saurya Ranjan Ray, Mehrdad Zangeneh

GT 2022; V10CT32A031https://doi.org/10.1115/GT2022-82519

Abstract

View Articletitled, Application of 3D Inverse Design Method on a Transonic Compressor Stage

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Topics: Clearances (Engineering) , Compressors , Design , Design methodology , Flow (Dynamics) , Shock waves

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

GT 2022; V10CT32A032https://doi.org/10.1115/GT2022-82531

Abstract

View Articletitled, 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

Numerical Simulation of Multi-Scale Oil Films on a Rotating Cup Using VOF and Coupled Eulerian Thin-Film-DPM Approaches

A. Nicoli, K. Singh, R. Jefferson-Loveday, S. Ambrose, S. Mouvanal

GT 2022; V10CT32A033https://doi.org/10.1115/GT2022-82533

Abstract

View Articletitled, Numerical Simulation of Multi-Scale Oil Films on a Rotating Cup Using VOF and Coupled Eulerian Thin-Film-DPM Approaches

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Topics: Bearings , Computer simulation , Drops , Engineering simulation , Engines , Film thickness , Flow (Dynamics) , Fluids , Gas turbines , Geometry

Evaluation of Surge Prediction Capabilities of Body-Force Model on a High-Speed Multi-Stage Axial-Radial Compressor

Hanxuan Zeng, Tengbo Fan, Zhenzhong Sun, Baotong Wang, Xinqian Zheng

GT 2022; V10CT32A034https://doi.org/10.1115/GT2022-82548

Abstract

View Articletitled, Evaluation of Surge Prediction Capabilities of Body-Force Model on a High-Speed Multi-Stage Axial-Radial Compressor

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Topics: Compressors , Surges

Exploiting GPU-Based HPC Architectures to Accelerate an Unsteady CFD Solver for Turbomachinery Applications

Francesco Poli, Michele Marconcini, Roberto Pacciani, Donato Magarielli, Ennio Spano, Andrea Arnone

GT 2022; V10CT32A035https://doi.org/10.1115/GT2022-82569

Abstract

View Articletitled, Exploiting GPU-Based HPC Architectures to Accelerate an Unsteady CFD Solver for Turbomachinery Applications

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Topics: Architecture , Computational fluid dynamics , Graphics processing units , Turbomachinery , Hardware , Computer simulation , Engines , Aircraft engines , Computer software , Fuel consumption

Detailed Design and Optimization of the First Stage of an Axial Supercritical CO₂ Compressor

Matthew Ha, Justin Holder, Saugat Ghimire, Adam Ringheisen, Mark G. Turner

GT 2022; V10CT32A036https://doi.org/10.1115/GT2022-82590

Abstract

View Articletitled, Detailed Design and Optimization of the First Stage of an Axial Supercritical CO<sub>2</sub> Compressor

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Topics: Compressors , Design , Optimization , Supercritical carbon dioxide , Turbomachinery , Testing , Blades , Energy storage , Fluids , Manufacturing

Potential and Evolution of Miniatures Compressed Air Energy Storage Plants Based on Impulse Turbine

Ayad M. Al Jubori, Laith A. Al-Sadawi, Till Biedermann, Suliman Alfarawi

GT 2022; V10CT32A037https://doi.org/10.1115/GT2022-82627

Abstract

View Articletitled, Potential and Evolution of Miniatures Compressed Air Energy Storage Plants Based on Impulse Turbine

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Topics: Compressed air , Design , Energy storage , Impulse (Physics) , Turbines

Development of Translucent Design Philosophy for the Cyclic Pattern Design of Fan Outlet Guide Vanes

Davendu Y. Kulkarni, Luca di Mare

GT 2022; V10CT32A038https://doi.org/10.1115/GT2022-82636

Abstract

View Articletitled, Development of Translucent Design Philosophy for the Cyclic Pattern Design of Fan Outlet Guide Vanes

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Topics: Blades , Design , Guide vanes

Analysis of Turbomachinery Averaging Techniques

Christian Frey, Graham Ashcroft, Michael Müller, Jens Wellner

GT 2022; V10CT32A039https://doi.org/10.1115/GT2022-82959

Abstract

View Articletitled, Analysis of Turbomachinery Averaging Techniques

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Topics: Turbomachinery , Entropy , Turbines , Inflow , Acoustics , Engineering simulation , Film cooling , Simulation , Unsteady flow , Vorticity

Large Eddy Simulation of Turbulent Flow Through a Compressor Cascade

Syed Anjum Haider Rizvi, Joseph Mathew

GT 2022; V10CT32A040https://doi.org/10.1115/GT2022-83081

Abstract

View Articletitled, 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

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

Riccardo Toracchio, Fabrizio Fontaneto, Koen Hillewaert

GT 2022; V10CT32A041https://doi.org/10.1115/GT2022-83163

Abstract

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

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

Transition Model Extension for Roughness Effects

Dragan Kožulović, Nemo Juchmann, Alexander Führing, Christoph Bode

GT 2022; V10CT32A042https://doi.org/10.1115/GT2022-83277

Abstract

View Articletitled, Transition Model Extension for Roughness Effects

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Topics: Surface roughness , Turbulence , Airfoils , Boundary layer turbulence , Boundary layers , Boundary-value problems , Computational fluid dynamics , Computer software , Energy dissipation , Flow (Dynamics)

Predicting Separated Flow in a Three-Dimensional Prediffuser for Combustor Applications Using Improved Numerical Techniques and Workflow

Adam Norman, Carlo Arguinzoni

GT 2022; V10CT32A043https://doi.org/10.1115/GT2022-83376

Abstract

View Articletitled, Predicting Separated Flow in a Three-Dimensional Prediffuser for Combustor Applications Using Improved Numerical Techniques and Workflow

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Topics: Combustion chambers , Flow (Dynamics) , Turbulence , Workflow

Harmonic Method for Simulating Unsteady Multispool Interactions

Feng Wang, Luca di Mare

GT 2022; V10CT32A044https://doi.org/10.1115/GT2022-83460

Abstract

View Articletitled, Harmonic Method for Simulating Unsteady Multispool Interactions

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Topics: Blades , Boundary-value problems , Compressors , Design , Engines , Jet engines , Pressure , Simulation , Temperature , Temperature distribution

Comparison of Stall Point Predictions in a Transonic Axial Compressor Rotor Using Single Passage and Three Passage CFD Geometries

Benjamin Meinster, Walter C. Smith, Garth V. Hobson, Anthony J. Gannon

GT 2022; V10CT32A045https://doi.org/10.1115/GT2022-83478

Abstract

View Articletitled, Comparison of Stall Point Predictions in a Transonic Axial Compressor Rotor Using Single Passage and Three Passage CFD Geometries

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Topics: Compressors , Computational fluid dynamics , Rotors

New Concept for Design in Turbomachinery Applications using Full RANS Gradient Methodology

Armando Del Rio, Ernesto Casartelli, Benno Fleischli, Luca Mangani

GT 2022; V10CT32A046https://doi.org/10.1115/GT2022-84035

Abstract

View Articletitled, New Concept for Design in Turbomachinery Applications using Full RANS Gradient Methodology

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Topics: Design , Reynolds-averaged Navier–Stokes equations , Turbomachinery , Diffusers , Turbulence , Flow (Dynamics) , Compressors , Computational fluid dynamics , Deformation , Impellers

Predicting Cavitation Erosion on Two-Stage Pumps Using CFD

Tedja Verhulst, Eddie Yin-Kwee Ng, Yongmann Chung, David Judt, Craig Lawson

GT 2022; V10CT32A047https://doi.org/10.1115/GT2022-84165

Abstract

View Articletitled, Predicting Cavitation Erosion on Two-Stage Pumps Using CFD

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Topics: Cavitation erosion , Centrifugal pumps , Computational fluid dynamics , Erosion , Pumps

Evaluation of Various Numerical Methods for Blade Row Interaction in Turbomachinery

Yangwei Liu, Xiaosong Yong, Yumeng Tang

GT 2022; V10CT32A048https://doi.org/10.1115/GT2022-84388

Abstract

View Articletitled, Evaluation of Various Numerical Methods for Blade Row Interaction in Turbomachinery

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Topics: Blades , Numerical analysis , Spacetime , Turbomachinery

Turbomachinery: Ducts, Noise, and Component Interactions

The Impact of Inlet Flow Angle on Turbine Vane Frame Aerodynamic Performance

Simon Pramstrahler, Andreas Peters, Mikel Lucas García De Albéniz, Peter Adrian Leitl, Franz Heitmeir, Andreas Marn

GT 2022; V10CT33A001https://doi.org/10.1115/GT2022-78065

Abstract

View Articletitled, The Impact of Inlet Flow Angle on Turbine Vane Frame Aerodynamic Performance

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Topics: Design , Flow (Dynamics) , Pressure , Turbines

Acoustic Optimization Approach for Annular Diffusers in Turbomachinery Applications Using Plane Wave Modelling

Felix Fischer, Jörg Seume

GT 2022; V10CT33A002https://doi.org/10.1115/GT2022-80517

Abstract

View Articletitled, Acoustic Optimization Approach for Annular Diffusers in Turbomachinery Applications Using Plane Wave Modelling

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Topics: Acoustics , Diffusers , Modeling , Optimization , Turbomachinery , Waves , Design , Reflection , Boundary-value problems , Computer simulation

Impact of Inlet Conditions on TVF Exit Flow Field

Mattia Graiff, Marian Staggl, Christian Wakelam, Franz Heitmeir, Emil Göttlich

GT 2022; V10CT33A003https://doi.org/10.1115/GT2022-80768

Abstract

View Articletitled, Impact of Inlet Conditions on TVF Exit Flow Field

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Topics: Flow (Dynamics) , Turbines , Engines , Design , Pressure , Aircraft engines , Architecture , Cascades (Fluid dynamics) , Computation , Flow visualization

Numerical Investigation of a Turbine Vane Frame for Co- and Counter-Rotating Configuration

Nicolas Krajnc, Filippo Merli, Asim Hafizovic, Andreas Peters, Emil Göttlich

GT 2022; V10CT33A004https://doi.org/10.1115/GT2022-81083

Abstract

View Articletitled, Numerical Investigation of a Turbine Vane Frame for Co- and Counter-Rotating Configuration

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Topics: Turbines , Flow (Dynamics) , Engines , Boundary-value problems , Aerodynamics , Architecture , Design engineering , Ducts , High pressure (Physics) , Machine dynamics

Analysis of Ultra-High Bypass Ratio Turbofan Nacelle Geometries With Conventional and Short Intakes at Take-Off and Cruise

Andrea Magrini, Denis Bousi, Ernesto Benini

GT 2022; V10CT33A005https://doi.org/10.1115/GT2022-81912

Abstract

View Articletitled, Analysis of Ultra-High Bypass Ratio Turbofan Nacelle Geometries With Conventional and Short Intakes at Take-Off and Cruise

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Topics: Turbofans , Drag (Fluid dynamics) , Engines , Flow (Dynamics) , Pressure , Weight (Mass) , Diffusion (Physics) , Exhaust systems , Rotors , Separation (Technology)

Analytical Modeling of the Injector Response to High Frequency Modes in a Tubular Multi-Jet-Combustor

Jan-Andre Rosenkranz, Thomas Sattelmayer

GT 2022; V10CT33A006https://doi.org/10.1115/GT2022-81957

Abstract

View Articletitled, Analytical Modeling of the Injector Response to High Frequency Modes in a Tubular Multi-Jet-Combustor

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Topics: Combustion chambers , Ejectors , Modeling , Acoustics , Emissions , Flames , Fuels , Combustion , Computation , Computer simulation

Validation of an Analytical Model for the Acoustic Impedance Eduction of Multi-Cavity Resonant Liners by a High-Fidelity LES Approach

Simone Giaccherini, Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani, Andrea Arnone

GT 2022; V10CT33A007https://doi.org/10.1115/GT2022-81984

Abstract

View Articletitled, Validation of an Analytical Model for the Acoustic Impedance Eduction of Multi-Cavity Resonant Liners by a High-Fidelity LES Approach

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Topics: Acoustics , Cavities , Resonance , Design , Emissions , Engineering simulation , Noise (Sound) , Simulation , Absorption , Air traffic control

Aerodynamic Noise Characteristics of Axial Flow Fan in Narrow Space and Noise Reduction Based on Flow Control

Zonghan Sun, Pengfei Chai, Jie Tian, Zhaohui Du, Hua Ouyang

GT 2022; V10CT33A008https://doi.org/10.1115/GT2022-82141

Abstract

View Articletitled, Aerodynamic Noise Characteristics of Axial Flow Fan in Narrow Space and Noise Reduction Based on Flow Control

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Topics: Aerodynamic noise , Axial flow , Cooling , Flow (Dynamics) , Flow control , Noise control

Investigations of the Unsteady Aerodynamic Characteristics for Intakes at Crosswind

Tommaso Piovesan, Zhang Wenqiang, Mehdi Vahdati, Pavlos K. Zachos

GT 2022; V10CT33A009https://doi.org/10.1115/GT2022-82149

Abstract

View Articletitled, Investigations of the Unsteady Aerodynamic Characteristics for Intakes at Crosswind

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Topics: Computational fluid dynamics , Ducts , Engineering simulation , Flow (Dynamics) , Separation (Technology) , Simulation , Stability , Steady state , Unsteady flow , Vibration

The Influence of Combustor Hot Streaks on the Aerodynamic Performance of a Turbine Center Frame

Ena Badžek, Marios Patinios, Federica Farisco, Franz Heitmeir, Emil Göttlich

GT 2022; V10CT33A010https://doi.org/10.1115/GT2022-82399

Abstract

View Articletitled, The Influence of Combustor Hot Streaks on the Aerodynamic Performance of a Turbine Center Frame

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Topics: Combustion chambers , Turbines , Temperature , Engines , Flow (Dynamics) , Cascades (Fluid dynamics) , Generators , Geometry , High pressure (Physics) , Machine dynamics

Experimental Investigation of an Aggressive S-Shaped Intermediate Compressor Duct

A. Kasper, T. Dygutsch, S. Grund, M. Beversdorff, S. Hakansson, E. Nicke, M. Lejon

GT 2022; V10CT33A011https://doi.org/10.1115/GT2022-82449

Abstract

View Articletitled, Experimental Investigation of an Aggressive S-Shaped Intermediate Compressor Duct

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Topics: Compressors , Ducts , Flow (Dynamics) , Inlet guide vanes , Aircraft engines , Blades , Aerospace industry , Aircraft , Airfoils , Annulus

The Interaction of Main Stream Flow and Cavity Flows in Turbine Center Frames and Turbine Vane Frames

Filippo Merli, Asim Hafizovic, Nicolas Krajnc, Malte Schien, Andreas Peters, Franz Heitmeir, Emil Göttlich

GT 2022; V10CT33A012https://doi.org/10.1115/GT2022-82458

Abstract

View Articletitled, The Interaction of Main Stream Flow and Cavity Flows in Turbine Center Frames and Turbine Vane Frames

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Topics: Cavity flows , Flow (Dynamics) , Turbines , Ducts , Engines , Boundary layers , Cavities , Probes , Rotors , Struts (Engineering)

Aerodynamic Assessment of Turbine Center Frames and Turbine Vane Frames Under the Influence of Purge Flows

Filippo Merli, Asim Hafizovic, Nicolas Krajnc, Malte Schien, Andreas Peters, Franz Heitmeir, Emil Göttlich

GT 2022; V10CT33A013https://doi.org/10.1115/GT2022-82502

Abstract

View Articletitled, Aerodynamic Assessment of Turbine Center Frames and Turbine Vane Frames Under the Influence of Purge Flows

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Topics: Flow (Dynamics) , Turbines , Ducts , Engines , Design , Pressure , Rotors , Blades , Cavities , Probes

A Hybrid, Runtime Coupled Incompressible CFD/CAA Method for Analysis of Thermoacoustic Instabilities

Hanna Reinhardt, Çetin Alanyalıoğlu, André Fischer, Claus Lahiri, Christian Hasse

GT 2022; V10CT33A014https://doi.org/10.1115/GT2022-82515

Abstract

View Articletitled, A Hybrid, Runtime Coupled Incompressible CFD/CAA Method for Analysis of Thermoacoustic Instabilities

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Topics: Computational fluid dynamics , Acoustics , Engineering simulation , Simulation , Flow (Dynamics) , Mach number , Navier-Stokes equations , Combustion , Combustion chambers , Computation

Unsteady Investigation of the Effect of Purge Air on the Flow Field Inside a Turbine Vane Frame Using Particle Image Velocimetry

Malte Schien, Asim Hafizovic, Florian Planck, Filippo Merli, Jakob Woisetschläger, Emil Göttlich

GT 2022; V10CT33A015https://doi.org/10.1115/GT2022-82526

Abstract

View Articletitled, Unsteady Investigation of the Effect of Purge Air on the Flow Field Inside a Turbine Vane Frame Using Particle Image Velocimetry

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Topics: Flow (Dynamics) , Particulate matter , Turbines

Calculating Windage Losses: A Review

Fernando Karg Bulnes, Thomas Kerr, Aaron Rimpel

GT 2022; V10CT33A016https://doi.org/10.1115/GT2022-82570

Abstract

View Articletitled, Calculating Windage Losses: A Review

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Topics: Compressors , Density , Drag (Fluid dynamics) , Fluids , High pressure (Physics) , Machinery , Modeling , Reynolds number , Rotation , Rotors

Acoustic Scattering Behaviour of an Aero Engine Injector: Numerical Investigation Using Compressible CFD and CAA

Çetin Alanyalıoğlu, Hanna Reinhardt, André Fischer, Claus Lahiri, Christian Hasse

GT 2022; V10CT33A017https://doi.org/10.1115/GT2022-82901

Abstract

View Articletitled, Acoustic Scattering Behaviour of an Aero Engine Injector: Numerical Investigation Using Compressible CFD and CAA

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Topics: Acoustics , Aircraft engines , Computational fluid dynamics , Ejectors , Electromagnetic scattering , Radiation scattering , Scattering (Physics) , Combustion chambers , Emissions , Engineering simulation

Crosswind Aerodynamic Analysis Using Quasi 3D Ducts

Sumit Shankar Sarvankar, Adrin Issai Arasu, Nagabhushana Rao Vadlamani

GT 2022; V10CT33A018https://doi.org/10.1115/GT2022-82964

Abstract

View Articletitled, 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