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Proceedings Papers

Experimental Study on Total Pressure Distortion Characteristics of a High Bypass Ratio Turbofan Engine

Huihui Li, Jinfang Teng, Guangqi Luo, Shangnan Zheng, Chongyang Lv, Chao Qiu
Proc. ASME. GT2023, Volume 1: Aircraft Engine, V001T01A025, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102781
https://doi.org/10.1115/GT2023-102781
View Paper titled, Experimental Study on Total Pressure Distortion Characteristics of a High Bypass Ratio Turbofan Engine
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Topics: Engines, Pressure, Turbofans
Proceedings Papers

Water Enhanced Turbofan: Improved Thermodynamic Cycle Using Hydrogen as Fuel

Alexander Görtz, Jannik Häßy, Marc Schmelcher, Mahmoud El-Soueidan
Proc. ASME. GT2023, Volume 1: Aircraft Engine, V001T01A006, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100807
https://doi.org/10.1115/GT2023-100807
View Paper titled, Water Enhanced Turbofan: Improved Thermodynamic Cycle Using Hydrogen as Fuel
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Topics: Fuels, Heat exchangers, Hydrogen, Thermodynamic cycles, Turbofans, Water
Proceedings Papers

Integrated Design of a Variable Cycle Engine and Aircraft Thermal Management System

Robert A. Clark, Jimmy Tai, Dimitri Mavris
Proc. ASME. GT2023, Volume 1: Aircraft Engine, V001T01A036, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103912
https://doi.org/10.1115/GT2023-103912
View Paper titled, Integrated Design of a Variable Cycle Engine and Aircraft Thermal Management System
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Topics: Aircraft, Cycles, Design, Engines, Thermal management, Compressors, Nozzles, Random-access memory, Exhaust systems, Geometry
Proceedings Papers

Integrated Hybrid Engine Cycle Design and Power Management Optimization

Raj Ghelani, Ioannis Roumeliotis, Chana Anna Saias, Christos Mourouzidis, Vassilios Pachidis, Marko Bacic, Justin Norman
Proc. ASME. GT2023, Volume 1: Aircraft Engine, V001T01A027, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103131
https://doi.org/10.1115/GT2023-103131
View Paper titled, Integrated Hybrid Engine Cycle Design and Power Management Optimization
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Topics: Cycles, Design, Hybrid engines, Optimization, Fuels, Aircraft, Gas turbines, Retrofitting, Architecture, Density
Proceedings Papers

Systematic Approach for Modelling Modern Turbofan Engines

Shivan Ramdin, Wilfried Visser, Juan Regueiro, Tim Rootliep
Proc. ASME. GT2023, Volume 1: Aircraft Engine, V001T01A032, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103548
https://doi.org/10.1115/GT2023-103548
View Paper titled, Systematic Approach for Modelling Modern Turbofan Engines
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Topics: Engines, Modeling, Turbofans
Proceedings Papers

Numerical Investigation of Steam Injection in a Premixed Swirl-Stabilized Methane-Air Flame Using the Flamelet-Generated-Manifold Method

Marius Köhler, Marian Hiestermann, Hagen Müller
Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A037, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103341
https://doi.org/10.1115/GT2023-103341
View Paper titled, Numerical Investigation of Steam Injection in a Premixed Swirl-Stabilized Methane-Air Flame Using the Flamelet-Generated-Manifold Method
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Topics: Combustion, Flamelet generated manifold, Flames, Methane, Steam, Turbofans, Turbulence, Water
Proceedings Papers

Experimental Investigation of the Effect of Bleed on the Aerodynamics of a Low-Pressure Compressor Stage in a Turbofan Engine

Apostolos Spanelis, Paul A. Denman, Ian Mariah, A. Duncan Walker
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT33A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102260
https://doi.org/10.1115/GT2023-102260
View Paper titled, Experimental Investigation of the Effect of Bleed on the Aerodynamics of a Low-Pressure Compressor Stage in a Turbofan Engine
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Topics: Aerodynamics, Compressors, Ducts, Engines, Pressure, Struts (Engineering), Turbofans
Proceedings Papers

Unsteady Investigation of Intermediate Turbine Ducts Under the Influence of Purge Flows

Filippo Merli, Nicolas Krajnc, Asim Hafizovic, Malte Schien, Emil Göttlich
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT33A014, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104211
https://doi.org/10.1115/GT2023-104211
View Paper titled, Unsteady Investigation of Intermediate Turbine Ducts Under the Influence of Purge Flows
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Topics: Ducts, Flow (Dynamics), Turbines, Engines, Turbofans, Pressure, Rotors, Unsteady flow, Aerodynamic flow, Cavities
Proceedings Papers

On the Impact of Core Flow Inlet-Guide-Vanes on the Tonal Noise Signature of a Turbofan Engine

Ricardo Blazquez-Navarro, Thomas Node-Langlois, Johan Thisse, Laurent Nybelen, Guilherme Cunha, Baptiste Yannic, Giulia Chirico, Gorka Altuna Villanueva
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT33A006, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102201
https://doi.org/10.1115/GT2023-102201
View Paper titled, On the Impact of Core Flow Inlet-Guide-Vanes on the Tonal Noise Signature of a Turbofan Engine
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Topics: Engines, Flow (Dynamics), Inlet guide vanes, Noise (Sound), Turbofans, Wakes, Acoustics, Vehicles, Aircraft noise, Blades
Proceedings Papers

Parametric Cycle Studies of the Water-Enhanced Turbofan Concept

Paul Ziegler, Sascha Kaiser, Volker Gümmer
Proc. ASME. GT2023, Volume 5: Cycle Innovations, V005T06A001, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100529
https://doi.org/10.1115/GT2023-100529
View Paper titled, Parametric Cycle Studies of the Water-Enhanced Turbofan Concept
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Topics: Cooling, Cycles, Heat exchangers, Turbofans, Water
Proceedings Papers

Methods for the Preliminary Design of Heat Exchangers in Aircraft Engines

Marc Schmelcher, Jannik Häßy, Alexander Görtz, Mahmoud El-Soueidan
Proc. ASME. GT2023, Volume 5: Cycle Innovations, V005T06A022, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102959
https://doi.org/10.1115/GT2023-102959
View Paper titled, Methods for the Preliminary Design of Heat Exchangers in Aircraft Engines
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Topics: Aircraft engines, Design, Heat exchangers, Heat recovery steam generators, Water, Evaporation, Flow (Dynamics), Combustion chambers, Emissions, Engine efficiency
Proceedings Papers

Historical Developments in Fan Technologies for Aeroengines

Ernesto Benini, Chetankumar Mistry, Aspi R. Wadia
Proc. ASME. GT2023, Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V13AT29A013, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101639
https://doi.org/10.1115/GT2023-101639
View Paper titled, Historical Developments in Fan Technologies for Aeroengines
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Topics: Aerodynamics, Architecture, Blades, Chords (Trusses), Ducts, Engines, Fuel consumption, Pressure, Rotors, Stability
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
Publisher: American Society of Mechanical Engineers
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
Publisher: American Society of Mechanical Engineers
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
Publisher: American Society of Mechanical Engineers
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
Publisher: American Society of Mechanical Engineers
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
Publisher: American Society of Mechanical Engineers
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

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
Publisher: American Society of Mechanical Engineers
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
Publisher: American Society of Mechanical Engineers
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
Publisher: American Society of Mechanical Engineers
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