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Proceedings Papers

An Experimental Test Case for Transonic Low-Pressure Turbines – Part I: Rig Design, Instrumentation and Experimental Methodology

Loris Simonassi, Gustavo Lopes, Samuel Gendebien, Antonino Federico Maria Torre, Marios Patinios, Sergio Lavagnoli, Nicolas Zeller, Ludovic Pintat
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A012, June 13–17, 2022
Paper No: GT2022-81566
https://doi.org/10.1115/GT2022-81566
View Paper titled, An Experimental Test Case for Transonic Low-Pressure Turbines – Part I: Rig Design, Instrumentation and Experimental Methodology
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Topics: Cascades (Fluid dynamics), Design, Instrumentation, Pressure, Turbines, Flow (Dynamics), Blades, Aerodynamics, Engines, Mach number
Proceedings Papers

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
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A013, June 13–17, 2022
Paper No: GT2022-82502
https://doi.org/10.1115/GT2022-82502
View Paper titled, 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
Proceedings Papers

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
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A012, June 13–17, 2022
Paper No: GT2022-82458
https://doi.org/10.1115/GT2022-82458
View Paper titled, 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)
Proceedings Papers

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
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A005, June 13–17, 2022
Paper No: GT2022-81912
https://doi.org/10.1115/GT2022-81912
View Paper titled, 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)
Proceedings Papers

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

Nicolas Krajnc, Filippo Merli, Asim Hafizovic, Andreas Peters, Emil Göttlich
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A004, June 13–17, 2022
Paper No: GT2022-81083
https://doi.org/10.1115/GT2022-81083
View Paper titled, 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
Proceedings Papers

Improved Design Space Exploration by Machine Learning Estimation for a Parametric Turbofan Model

Chad Foster, Jack Moore
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A010, June 13–17, 2022
Paper No: GT2022-81836
https://doi.org/10.1115/GT2022-81836
View Paper titled, Improved Design Space Exploration by Machine Learning Estimation for a Parametric Turbofan Model
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Topics: Design, Machine learning, Turbofans, Simulation, Noise (Sound), Regression models
Proceedings Papers

A Study of Stall Process in an Axial Flow Compressor With Foam Metal Casing Treatment

Jia Li, Dakun Sun, Ruize Xu, Xu Dong, Xiaofeng Sun
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A024, June 13–17, 2022
Paper No: GT2022-82828
https://doi.org/10.1115/GT2022-82828
View Paper titled, A Study of Stall Process in an Axial Flow Compressor With Foam Metal Casing Treatment
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Topics: Axial flow, Compressors, Metals, Stall inception, Flow (Dynamics), Rotors, Blades, Chords (Trusses), Design, Emissions
Proceedings Papers

Hydrogen Thermal-Powered Aircraft Combustion and Propulsion System

Paul P. Palies
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A002, June 13–17, 2022
Paper No: GT2022-78214
https://doi.org/10.1115/GT2022-78214
View Paper titled, Hydrogen Thermal-Powered Aircraft Combustion and Propulsion System
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Topics: Aircraft, Combustion, Hydrogen, Propulsion systems, Combustion chambers, Fuels, Aviation, Design, Emissions, Engines
Proceedings Papers

Modeling and Cycle Parameter Matching of a High-Speed Variable Cycle Turbofan-Ramjet Engine

Yao Yao, Xiaobo Zhang, Mingyang Zhang, Zhanxue Wang
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A006, June 13–17, 2022
Paper No: GT2022-80505
https://doi.org/10.1115/GT2022-80505
View Paper titled, Modeling and Cycle Parameter Matching of a High-Speed Variable Cycle Turbofan-Ramjet Engine
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Topics: Cycles, Engines, Modeling, Ramjets, Turbofans
Proceedings Papers

Select Trade-Offs in Parallel Hybrid Turboprop Cycle Design

Michael Sielemann, Mavroudis D. Kavvalos, Nithish Selvan, Jim Claesson, Konstantinos Kyprianidis
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A014, June 13–17, 2022
Paper No: GT2022-81629
https://doi.org/10.1115/GT2022-81629
View Paper titled, Select Trade-Offs in Parallel Hybrid Turboprop Cycle Design
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Topics: Cycles, Design, Tradeoffs, Gas turbines, Machinery, Aircraft, Electricity (Physics), Fuel consumption, Propellers, Turbines
Proceedings Papers

A Novel Engine Architecture for Low NO x Emissions

Tim Blondeel, Feijia Yin, Arvind Gangoli Rao
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A015, June 13–17, 2022
Paper No: GT2022-81738
https://doi.org/10.1115/GT2022-81738
View Paper titled, A Novel Engine Architecture for Low NO x Emissions
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Topics: Emissions, Engines, Nitrogen oxides, Turbines, Turbofans
Proceedings Papers

Acoustic Localisation of High-Pressure Burst in a Confined Space

David Bacci, Peter Ireland, Zahid Hussain
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T05A008, June 13–17, 2022
Paper No: GT2022-81744
https://doi.org/10.1115/GT2022-81744
View Paper titled, Acoustic Localisation of High-Pressure Burst in a Confined Space
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Topics: Acoustics, High pressure (Physics), Pipes, Turbofans
Proceedings Papers

Explainable and Interpretable AI-Assisted Remaining Useful Life Estimation for Aeroengines

Georgios Protopapadakis, Asteris Apostolidis, Anestis I. Kalfas
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T05A002, June 13–17, 2022
Paper No: GT2022-80777
https://doi.org/10.1115/GT2022-80777
View Paper titled, Explainable and Interpretable AI-Assisted Remaining Useful Life Estimation for Aeroengines
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Topics: Service life (Equipment), Maintenance, Algorithms, Artificial intelligence, Artificial neural networks, Cycles, Databases, Engines, Feature selection, Flight
Proceedings Papers

The Influence of Purge Flow Parameters on Heat Transfer and Film Cooling in Turbine Center Frames

Patrick R. Jagerhofer, Marios Patinios, Tobias Glasenapp, Emil Göttlich, Federica Farisco
Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A018, June 7–11, 2021
Paper No: GT2021-59496
https://doi.org/10.1115/GT2021-59496
View Paper titled, The Influence of Purge Flow Parameters on Heat Transfer and Film Cooling in Turbine Center Frames
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Topics: Film cooling, Flow (Dynamics), Heat transfer, Turbines, Engines, Cooling, Density, High pressure (Physics), Aerodynamic flow, Cascades (Fluid dynamics)
Proceedings Papers

Influence of the Tool Wear on the Quality and Service Life of Gears for the Geared Turbofan Technology Machined by Five-Axis Milling

Thomas Lakner, Christoph Zachert, René Greschert, Daniel Schraknepper, Thomas Bergs
Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T17A007, June 7–11, 2021
Paper No: GT2021-59172
https://doi.org/10.1115/GT2021-59172
View Paper titled, Influence of the Tool Wear on the Quality and Service Life of Gears for the Geared Turbofan Technology Machined by Five-Axis Milling
Open the PDF for Influence of the Tool Wear on the Quality and Service Life of Gears for the Geared Turbofan Technology Machined by Five-Axis Milling in another window
Topics: Gears, Machining, Milling, Service life (Equipment), Turbofans, Wear
Proceedings Papers

Study of CFD-Based Raised-Floor Data Center Cooling With Parametric CRAC Turbofan Blower Airflow Patterns

Zhihang Song, Wan Chen
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T10A002, June 7–11, 2021
Paper No: GT2021-58728
https://doi.org/10.1115/GT2021-58728
View Paper titled, Study of CFD-Based Raised-Floor Data Center Cooling With Parametric CRAC Turbofan Blower Airflow Patterns
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Topics: Air flow, Computational fluid dynamics, Cooling, Data centers, Turbofans
Proceedings Papers

Evolutionary Algorithm for Enhanced Gas Path Analysis in Turbofan Engines

T. O. Rootliep, W. P. J. Visser, M. Nollet
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A011, June 7–11, 2021
Paper No: GT2021-59089
https://doi.org/10.1115/GT2021-59089
View Paper titled, Evolutionary Algorithm for Enhanced Gas Path Analysis in Turbofan Engines
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Topics: Engines, Evolutionary algorithms, Gas turbines, Turbofans
Proceedings Papers

Estimation of Design Parameters and Performance for a State-of-the-Art Turbofan

Oliver Sjögren, Carlos Xisto, Tomas Grönstedt
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A013, June 7–11, 2021
Paper No: GT2021-59489
https://doi.org/10.1115/GT2021-59489
View Paper titled, Estimation of Design Parameters and Performance for a State-of-the-Art Turbofan
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Topics: Design, Turbofans, Pressure, Uncertainty, Aviation, Cycles, Engines, Fuels, Aircraft engines, Commercial air transport
Proceedings Papers

Design and Analysis of an Aircraft Thermal Management System Linked to a Low-Bypass Ratio Turbofan Engine

Robert A. Clark, Mingxuan Shi, Jonathan Gladin, Dimitri Mavris
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A006, June 7–11, 2021
Paper No: GT2021-58942
https://doi.org/10.1115/GT2021-58942
View Paper titled, Design and Analysis of an Aircraft Thermal Management System Linked to a Low-Bypass Ratio Turbofan Engine
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Topics: Aircraft, Design, Engines, Thermal management, Turbofans, Stress, Cooling, Cycles, Heat, Flow (Dynamics)
Proceedings Papers

Sensitivity Analysis of an Aircraft Engine Model Under Consideration of Dependent Variables

Julian Salomon, Jan Göing, Sebastian Lück, Matteo Broggi, Jens Friedrichs, Michael Beer
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A005, June 7–11, 2021
Paper No: GT2021-58905
https://doi.org/10.1115/GT2021-58905
View Paper titled, Sensitivity Analysis of an Aircraft Engine Model Under Consideration of Dependent Variables
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Topics: Aircraft engines, Sensitivity analysis, Engines, Turbofans