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Proceedings Papers

Experimental Analysis on Performance of Air/Oil Centrifugal Breathers for Aircraft Engines Under Different Operating Conditions

Mariano Di Matteo, Olivier Berten, Patrick Hendrick
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A022, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123819
https://doi.org/10.1115/GT2024-123819
View Paper titled, Experimental Analysis on Performance of Air/Oil Centrifugal Breathers for Aircraft Engines Under Different Operating Conditions
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Topics: Aircraft engines, Experimental analysis, Separation (Technology), Pressure drop, Drops, Particle size, Air flow, Testing, Tradeoffs, Two-phase flow
Proceedings Papers

A Gas Flow Network Model for Predicting Ring Dynamics and Leakage in Dry-Running Pistons Seals for High-Pressure Hydrogen Storage

Andrea Sassoli, Sandro Raspanti, Luca Romani, Alessio Capanni, Simone Bassani, Giovanni Ferrara, Francesco Balduzzi
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A021, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126694
https://doi.org/10.1115/GT2024-126694
View Paper titled, A Gas Flow Network Model for Predicting Ring Dynamics and Leakage in Dry-Running Pistons Seals for High-Pressure Hydrogen Storage
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Topics: Dynamics (Mechanics), Gas flow, High pressure (Physics), Hydrogen storage, Leakage, Network models, Pistons, Wear, Compressors, Cylinders
Proceedings Papers

Advancements in Sustainable Aviation Fuels: Impact of Nano-Additives and Ammonia-Based Strategies on Emissions

Pasquale Di Gloria, Maria Grazia De Giorgi, Luciano Strafella, Giuseppe Ciccarella, Gregorio Grazio Castelluzzo, Francesca Baldassarre, Antonio Ficarella
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A051, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128827
https://doi.org/10.1115/GT2024-128827
View Paper titled, Advancements in Sustainable Aviation Fuels: Impact of Nano-Additives and Ammonia-Based Strategies on Emissions
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Topics: Aviation, Chemiluminescence, Emissions, Fuels, Sustainable aviation fuels, Combustion, Flames, Nitrogen oxides, Water, Carbon dioxide
Proceedings Papers

A Wide-Bandwidth and High-Resolution Identification Method for the Dynamic Characteristics of Annular Gas Seals Using Hilbert Transform

Tianhao Wang, Zhigang Li, Jun Li
Proc. ASME. GT2024, Volume 10A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing, V10AT22A012, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126191
https://doi.org/10.1115/GT2024-126191
View Paper titled, A Wide-Bandwidth and High-Resolution Identification Method for the Dynamic Characteristics of Annular Gas Seals Using Hilbert Transform
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Topics: Resolution (Optics), Time-frequency analysis, Whirls, Computational fluid dynamics, Rotors, Signals, Clearances (Engineering), Dampers, Deformation, Excitation
Proceedings Papers

Multi-Aeroelastic Phenomena Modelling Part II: Application for the Evaluation of Fan OGV Cyclic Pattern Designs

Davendu Y. Kulkarni, Luca di Mare
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A040, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128124
https://doi.org/10.1115/GT2024-128124
View Paper titled, Multi-Aeroelastic Phenomena Modelling Part II: Application for the Evaluation of Fan OGV Cyclic Pattern Designs
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Topics: Architecture, Compressors, Computational fluid dynamics, Design, Engineering simulation, Engines, Flight, Geometry, Guide vanes, Modeling
Proceedings Papers

Effects of the Blade Tip Loading Distribution on Transonic Centrifugal Impeller Stability

Bijie Yang, Teng Cao, Yoshihiro Hayashi, Tadashi Kanzaka, Isao Tomita
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT35A017, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127434
https://doi.org/10.1115/GT2024-127434
View Paper titled, Effects of the Blade Tip Loading Distribution on Transonic Centrifugal Impeller Stability
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Topics: Blades, Impellers, Stability, Flow (Dynamics), Design, Compressors, Leakage, Pressure, Annulus, Engineering simulation
Proceedings Papers

Comparing Different Designs of a Grid-Valve for Industrial Steam Turbines

Cosimo Bianchini, Riccardo Da Soghe, Lorenzo Giannini, Nicola Maceli, Lorenzo Arcangeli, Vanessa Mariotti
Proc. ASME. GT2023, Volume 10: Steam Turbine, V010T20A025, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103952
https://doi.org/10.1115/GT2023-103952
View Paper titled, Comparing Different Designs of a Grid-Valve for Industrial Steam Turbines
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Topics: Steam turbines, Valves, Energy generation, Flow (Dynamics), Architecture, Carbon footprint, Computational fluid dynamics, Design, Pressure, Renewable energy sources
Proceedings Papers

Assessment of Part-Load Operation Strategies of Supercritical Power Cycles Using Carbon Dioxide Mixtures in CSP Plants, Including Air-Cooled Condenser Optimisation

Pablo Rodríguez-de Arriba, Francesco Crespi, David Sánchez Martínez, Lourdes García Rodríguez
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A026, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103665
https://doi.org/10.1115/GT2023-103665
View Paper titled, Assessment of Part-Load Operation Strategies of Supercritical Power Cycles Using Carbon Dioxide Mixtures in CSP Plants, Including Air-Cooled Condenser Optimisation
Open the PDF for Assessment of Part-Load Operation Strategies of Supercritical Power Cycles Using Carbon Dioxide Mixtures in CSP Plants, Including Air-Cooled Condenser Optimisation in another window
Topics: Carbon dioxide, Condensers (steam plant), Optimization, Stress, Thermodynamic power cycles, Temperature, Design, Turbines, Fluids, Heat transfer
Proceedings Papers

Synergies and Trade-Offs in Hybrid Propulsion Systems Through Physics-Based Electrical Component Modelling

Dimitrios Bermperis, Elissaios Ntouvelos, Mavroudis D. Kavvalos, Stavros Vouros, Konstantinos G. Kyprianidis, Anestis I. Kalfas
Proc. ASME. GT2023, Volume 1: Aircraft Engine, V001T01A019, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102211
https://doi.org/10.1115/GT2023-102211
View Paper titled, Synergies and Trade-Offs in Hybrid Propulsion Systems Through Physics-Based Electrical Component Modelling
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Topics: Electrical components, Modeling, Physics, Propulsion systems, Tradeoffs, Design, Power systems (Machinery), Batteries, Electricity (Physics), Aircraft
Proceedings Papers

Modeling, Analysis, and Control of the Power and Temperature Dynamics of a Heavy-Duty Gas Turbine

Eric Andre Müller
Proc. ASME. GT2023, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A014, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102246
https://doi.org/10.1115/GT2023-102246
View Paper titled, Modeling, Analysis, and Control of the Power and Temperature Dynamics of a Heavy-Duty Gas Turbine
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Topics: Dynamics (Mechanics), Gas turbines, Modeling analysis, Temperature, Control equipment, Feedforward control, Actuators, Design, Engines, Linear systems
Proceedings Papers

Mitigation of BLI Circumferential Distortion Using Non-Axisymmetric Fan Exit Guide Vanes

David Hall, Edward Greitzer, Choon Tan
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A031, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82465
https://doi.org/10.1115/GT2022-82465
View Paper titled, Mitigation of BLI Circumferential Distortion Using Non-Axisymmetric Fan Exit Guide Vanes
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Topics: Guide vanes, Flow (Dynamics), Rotors, Design, Stators, Boundary layers, Geometry, Tradeoffs
Proceedings Papers

Extending Highly Loaded Axial Fan Operability Range Through Novel Blade Design

Diego I. Lopez, Tiziano Ghisu, Timoleon Kipouros, Shahrokh Shahpar, Mark Wilson
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A016, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81748
https://doi.org/10.1115/GT2022-81748
View Paper titled, Extending Highly Loaded Axial Fan Operability Range Through Novel Blade Design
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Topics: Blades, Design, Momentum, Clearances (Engineering), Stability, Computer simulation, Compressors, Computation, Engineering simulation, Leakage flows
Proceedings Papers

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
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A017, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82901
https://doi.org/10.1115/GT2022-82901
View Paper titled, 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
Proceedings Papers

Turbine Endwall Contouring Through Advanced Optimization Techniques

Matteo Burigana, Tom Verstraete, Sergio Lavagnoli
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A012, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82144
https://doi.org/10.1115/GT2022-82144
View Paper titled, Turbine Endwall Contouring Through Advanced Optimization Techniques
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Topics: Optimization, Turbines, Design, Engines, Blades, Flow (Dynamics), High pressure (Physics), Parametrization, Rotors, Boundary-value problems
Proceedings Papers

Aerodynamic Optimization of the SRV2 Radial Compressor Using an Adjoint-Based Optimization Method

Arnaud Châtel, Tom Verstraete
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A014, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82530
https://doi.org/10.1115/GT2022-82530
View Paper titled, Aerodynamic Optimization of the SRV2 Radial Compressor Using an Adjoint-Based Optimization Method
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Topics: Compressors, Optimization, Design, Algorithms, Compressor impellers, Degrees of freedom, Flow (Dynamics), Quadratic programming, Reynolds-averaged Navier–Stokes equations, Tradeoffs
Proceedings Papers

Rotordynamic Design and Experimental Validation of a sCO2 Centrifugal Compressor Equipped With a Pocket Damper Seal

Giuseppe Vannini, Matteo Dozzini, Filippo Cangioli
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A001, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-79563
https://doi.org/10.1115/GT2022-79563
View Paper titled, Rotordynamic Design and Experimental Validation of a sCO2 Centrifugal Compressor Equipped With a Pocket Damper Seal
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Topics: Compressors, Dampers, Design, Vibration, Density, Carbon dioxide, Engineering prototypes, Fluids, Pistons, Stability
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
Proceedings Papers

System-Level Assessment of a Partially Distributed Hybrid Electric Propulsion System

Smruti Sahoo, Mavroudis D. Kavvalos, Dimitra Eirini Diamantidou, Konstantinos G. Kyprianidis
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A018, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81917
https://doi.org/10.1115/GT2022-81917
View Paper titled, System-Level Assessment of a Partially Distributed Hybrid Electric Propulsion System
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Topics: Electric propulsion, Aircraft, Design, Propulsion systems, Batteries, Fuels, Aviation, Electrical components, Engineering disciplines, Engines
Proceedings Papers

Metamodelling of Ignition Delay Time for Natural Gas Blends Under Gas Turbine Operating Conditions

Sajjad Yousefian, Gilles Bourque, Rory F. D. Monaghan
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A014, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82269
https://doi.org/10.1115/GT2022-82269
View Paper titled, Metamodelling of Ignition Delay Time for Natural Gas Blends Under Gas Turbine Operating Conditions
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Topics: Gas turbines, Ignition delay, Metamodeling, Natural gas, Fuels, Combustion systems, Design, Approximation, Chaos, Computational fluid dynamics
Proceedings Papers

Performance Assessment of a Recuperated Turboshaft Engine: A Multifuel Case

Jody Anfossi, Jafar Al-Zaili, Tala El Samad, Abdulnaser Sayma
Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T06A007, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80455
https://doi.org/10.1115/GT2022-80455
View Paper titled, Performance Assessment of a Recuperated Turboshaft Engine: A Multifuel Case
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Topics: Engines, Hydrogen, Micro gas turbines, Weight (Mass), Cycles, Design, Power stations, Hydrogen fuels, Jet fuels, Propulsion systems