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Design Methods and CFD Modeling for Turbomachinery
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Proceedings Papers

Novel Feature Based Approach for Turbomachinery Design and Analysis

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Ashwin Kannan, Krishna Kishor Dubasi, Adele Nasti, Akin Keskin, Joshua Clough
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A060, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16325
https://doi.org/10.1115/GT2020-16325
View Paper titled, Novel Feature Based Approach for Turbomachinery Design and Analysis
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Topics: Design, Experimental design, Turbomachinery
Proceedings Papers

Numerical Resolution of Compressor Corner Separation Problem

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Wei Sun, Zhong-Nan Wang, Liping Xu
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A013, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14587
https://doi.org/10.1115/GT2020-14587
View Paper titled, Numerical Resolution of Compressor Corner Separation Problem
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Topics: Compressors, Corners (Structural elements), Resolution (Optics), Separation (Technology), Reynolds-averaged Navier–Stokes equations, Flow (Dynamics), Turbulence, Boundary layers, Cascades (Fluid dynamics), Computational fluid dynamics
Proceedings Papers

Large Eddy Simulation of a Transonic Linear Cascade With Synthetic Inlet Turbulence

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Ettore Bertolini, Paul Pieringer, Wolfgang Sanz
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A007, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14461
https://doi.org/10.1115/GT2020-14461
View Paper titled, Large Eddy Simulation of a Transonic Linear Cascade With Synthetic Inlet Turbulence
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Topics: Cascades (Fluid dynamics), Large eddy simulation, Turbulence, Blades, Boundary layers, Engineering simulation, Flow (Dynamics), Heat transfer, Inflow, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

On the Formulation of Nonreflecting Boundary Conditions for Turbomachinery Configurations: Part I — Theory and Implementation

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Christian Frey, Daniel Schlüß, Nina Wolfrum, Patrick Bechlars, Maximilian Beck
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A019, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14684
https://doi.org/10.1115/GT2020-14684
View Paper titled, On the Formulation of Nonreflecting Boundary Conditions for Turbomachinery Configurations: Part I — Theory and Implementation
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Topics: Boundary-value problems, Simulation, Turbomachinery, Unsteady flow
Proceedings Papers

Wall-Resolved Large-Eddy Simulation of the LS89 Cascade Using an Explicit Local Time-Stepping Method

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Benjamin Martin, Florent Duchaine, Laurent Gicquel, Nicolas Odier, Jérôme Dombard
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A001, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14171
https://doi.org/10.1115/GT2020-14171
View Paper titled, Wall-Resolved Large-Eddy Simulation of the LS89 Cascade Using an Explicit Local Time-Stepping Method
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Topics: Cascades (Fluid dynamics), Large eddy simulation, Simulation, Blades, Stability, Computational fluid dynamics, Flow (Dynamics), Prisms (Optics), Turbines, Turbomachinery
Proceedings Papers

Analysis of the Exit Flow Angle and Characteristics of Flow in Axial Turbine Cascades

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Narmin B. Hushmandi, Per Askebjer, Magnus Genrup
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A014, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14605
https://doi.org/10.1115/GT2020-14605
View Paper titled, Analysis of the Exit Flow Angle and Characteristics of Flow in Axial Turbine Cascades
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Topics: Computational fluid dynamics, Flow (Dynamics), Turbines
Proceedings Papers

Integration of Machine Learning and Computational Fluid Dynamics to Develop Turbulence Models for Improved Turbine Wake Mixing Prediction

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Harshal D. Akolekar, Yaomin Zhao, Richard D. Sandberg, Roberto Pacciani
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A020, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14732
https://doi.org/10.1115/GT2020-14732
View Paper titled, Integration of Machine Learning and Computational Fluid Dynamics to Develop Turbulence Models for Improved Turbine Wake Mixing Prediction
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Topics: Computational fluid dynamics, Machine learning, Turbines, Turbulence, Wakes, Reynolds-averaged Navier–Stokes equations, Model development, Computer programming, Diffusion (Physics), Modeling
Proceedings Papers

Improvement of a Tip Clearance Loss Prediction Model Based on Geometric Variation

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Jiancheng Zhang, Donghai Jin, Zefeng Li, Xingmin Gui
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A015, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14613
https://doi.org/10.1115/GT2020-14613
View Paper titled, Improvement of a Tip Clearance Loss Prediction Model Based on Geometric Variation
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Topics: Blades, Clearances (Engineering)
Proceedings Papers

Influence of Purge Temperature Variation on the Performance of Turbine Center Frames

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Patrick Jagerhofer, Andreas Peters, Emil Göttlich, Wolfgang Sanz, Federica Farisco
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A008, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14502
https://doi.org/10.1115/GT2020-14502
View Paper titled, Influence of Purge Temperature Variation on the Performance of Turbine Center Frames
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Topics: Temperature, Turbines, Flow (Dynamics), Engines, Ducts, Computational fluid dynamics, Cooling, Pressure, Simulation, Turbine components
Proceedings Papers

On the Development of a Synchronized Harmonic Balance Method for Multiple Frequencies and its Application to LPT Flows

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Javier Crespo, Jesús Contreras
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A025, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14952
https://doi.org/10.1115/GT2020-14952
View Paper titled, On the Development of a Synchronized Harmonic Balance Method for Multiple Frequencies and its Application to LPT Flows
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Topics: Flow (Dynamics), Boundary-value problems, Simulation, Fourier transforms, Interpolation, Robustness, Rotors, Stators, Annulus, Blades
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

Prediction of Tip Leakage Vortex Dynamics in an Axial Compressor Cascade Using RANS Analyses

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Martina Ricci, Roberto Pacciani, Michele Marconcini, Andrea Arnone
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A021, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14797
https://doi.org/10.1115/GT2020-14797
View Paper titled, Prediction of Tip Leakage Vortex Dynamics in an Axial Compressor Cascade Using RANS Analyses
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Topics: Cascades (Fluid dynamics), Compressors, Dynamics (Mechanics), Leakage, Reynolds-averaged Navier–Stokes equations, Vortices, Blades, Design, Flow (Dynamics), Turbulence
Proceedings Papers

Reynolds Number and Roughness Effects on Turbocompressor Performance: Numerical Calculations and Measurement Data Evaluation

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Fabian Dietmann, Michael Casey, Damian M. Vogt
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A016, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14653
https://doi.org/10.1115/GT2020-14653
View Paper titled, Reynolds Number and Roughness Effects on Turbocompressor Performance: Numerical Calculations and Measurement Data Evaluation
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Topics: Reynolds number, Surface roughness, Flow (Dynamics), Compressors, Design, Energy dissipation, Machinery
Proceedings Papers

Multi-Fidelity Surrogate-Based Optimization of Transonic and Supersonic Axial Turbine Profiles

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Nassim Razaaly, Giacomo Persico, Pietro Marco Congedo
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A026, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14972
https://doi.org/10.1115/GT2020-14972
View Paper titled, Multi-Fidelity Surrogate-Based Optimization of Transonic and Supersonic Axial Turbine Profiles
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Topics: Optimization, Turbines, Computational fluid dynamics, Fluids, B-splines, Cascades (Fluid dynamics), Design, Flow (Dynamics), Geometry, High pressure (Physics)
Proceedings Papers

Influence of Swirl Distribution on Blade Shape and Performance of a Centrifugal Impeller

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Qin Cui, Guoliang Qin, Lei Li, Cheng Jia, Yi Wang
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A003, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14360
https://doi.org/10.1115/GT2020-14360
View Paper titled, Influence of Swirl Distribution on Blade Shape and Performance of a Centrifugal Impeller
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Topics: Blades, Design, Impellers, Shapes
Proceedings Papers

A State-of-the-Art CFD Setup for Axial Compressors: Details and Validation

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Lorenzo Cozzi, Filippo Rubechini, Andrea Arnone, Savino Depalo, Pio Astrua, Andrea Schneider, Marcello Benvenuto
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A009, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14507
https://doi.org/10.1115/GT2020-14507
View Paper titled, A State-of-the-Art CFD Setup for Axial Compressors: Details and Validation
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Topics: Compressors, Computational fluid dynamics, Modeling, Turbomachinery, Flow (Dynamics), Gas turbines, Surges, Boundary-value problems, Clearances (Engineering), Combustion
Proceedings Papers

Numerical Simulation of Pressure Loss and Heat Transfer Characteristics for Additively Manufactured Channels

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Bryan Arko, Chad Iverson, Nicholas Staudigel
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A022, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14803
https://doi.org/10.1115/GT2020-14803
View Paper titled, Numerical Simulation of Pressure Loss and Heat Transfer Characteristics for Additively Manufactured Channels
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Topics: Additive manufacturing, Computer simulation, Heat transfer, Pressure, Surface roughness, Computational fluid dynamics, Cooling, Modeling, Reynolds number, Friction
Proceedings Papers

Template-Based Hexahedral Mesh Generation for Turbine Cooling Geometries

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Muting Hao, Feng Wang, Joshua Hope-Collins, Max E. Rife, Luca di Mare
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A017, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14660
https://doi.org/10.1115/GT2020-14660
View Paper titled, Template-Based Hexahedral Mesh Generation for Turbine Cooling Geometries
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Topics: Cooling, Mesh generation, Turbines, Algorithms, Ducts, Cushioning materials, Turbine blades
Proceedings Papers

Adaptive Detached Eddy Simulation of End-Wall Flow in a Linear Compressor Cascade

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Zifei Yin
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A010, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14526
https://doi.org/10.1115/GT2020-14526
View Paper titled, Adaptive Detached Eddy Simulation of End-Wall Flow in a Linear Compressor Cascade
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Topics: Cascades (Fluid dynamics), Compressors, Eddies (Fluid dynamics), Flow (Dynamics), Simulation, Viscosity, Pressure, Blades, Boundary layer turbulence, Corners (Structural elements)
Proceedings Papers

Spectral Analysis of an Aeronautical Lean Direct Injection Burner Through Large Eddy Simulation

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M. Carreres, L. M. García-Cuevas, J. García-Tíscar, M. Belmar-Gil
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A027, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14998
https://doi.org/10.1115/GT2020-14998
View Paper titled, Spectral Analysis of an Aeronautical Lean Direct Injection Burner Through Large Eddy Simulation
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Topics: Emission spectroscopy, Large eddy simulation, Spectroscopy, Swirling flow, Combustion chambers, Acoustics, Computational fluid dynamics, Flow (Dynamics), Combustion, Computer simulation