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Proceedings Papers

A Review of Pressure Gain Combustion Solutions for Aerospace Propulsion

Sreenath Purushothaman, Avinash Renuke, Alessandro Sorce, Alberto Traverso

Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T06A035, June 13–17, 2022

Paper No: GT2022-83799

DOI: https://doi.org/10.1115/GT2022-83799

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Topics: Aerospace industry, Combustion, Composite materials, Cycles, Engines, Explosions, Pistons, Pressure, Propulsion, Rotors

Proceedings Papers

Leakage Characteristics of a Stepped Balance Piston Labyrinth Seal in Supercritical CO2

Jason Wilkes, Natalie R. Smith, Karl Wygant, Abhay Patil, Chris Kulhanek

Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A023, June 13–17, 2022

Paper No: GT2022-83262

DOI: https://doi.org/10.1115/GT2022-83262

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Topics: Leakage, Pistons, Supercritical carbon dioxide, Thrust, Aerodynamics, Clearances (Engineering), Compressors, Computational fluid dynamics, Fluid-dynamic forces, Pressure

Proceedings Papers

Unsteady Gas Dynamics of Radial Turbine Volutes Under Pressure Pulsations

Bijie Yang, Yingxian Xue, Ricardo Martinez-Botas, Mingyang Yang

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A008, June 13–17, 2022

Paper No: GT2022-82255

DOI: https://doi.org/10.1115/GT2022-82255

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Topics: Gasdynamics, Pressure, Turbines, Flow (Dynamics), Engines, Computational fluid dynamics, Pistons, Unsteady flow, Carbon dioxide, Design methodology

Proceedings Papers

Dynamic Seal Test Rig: O-Ring Leakage and Sliding Friction Measurements

Thomas Kerr, Jordan Nielson

Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT22A011, June 13–17, 2022

Paper No: GT2022-82221

DOI: https://doi.org/10.1115/GT2022-82221

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Topics: Leakage, Seals, Sliding friction, Sealing (Process), Friction, Machinery, Pistons, Bellows (Equipment), Carbon, Carbon dioxide

Proceedings Papers

Experimental Force Coefficients for a Fully-Partitioned Pocket Damper Seal and Comparison to Other Two Seal Types

Adolfo Delgado, Luis San Andrés, Jing Yang, Jonathan Thiele

Paper No: GT2022-83164

DOI: https://doi.org/10.1115/GT2022-83164

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Topics: Dampers, Leakage, Stiffness, Compressors, Damping, Blades, Pressure, Rotors, Computational fluid dynamics, Databases

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

Paper No: GT2022-79563

DOI: https://doi.org/10.1115/GT2022-79563

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Topics: Compressors, Dampers, Design, Vibration, Density, Carbon dioxide, Engineering prototypes, Fluids, Pistons, Stability

Proceedings Papers

CFD Analysis of the Influence of Gas Content on the Rotordynamic Force Coefficients for a Circumferentially Grooved Annular Seal for Multiple Phase Pumps

Tingcheng Wu, Luis San Andrés, Xueliang Lu

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A005, June 7–11, 2021

Paper No: GT2021-58631

DOI: https://doi.org/10.1115/GT2021-58631

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Topics: Computational fluid dynamics, Pumps, Damping, Pressure, Engineering simulation, Excitation, Flow (Dynamics), Rotors, Simulation, Stability

Proceedings Papers

Supersonic Aerodynamic Instability Characteristics of Bidirectional Porous Functionally Graded Panel

Shashidhar Reddy Rajidi, Abhay Gupta, Satyajit Panda

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A013, June 7–11, 2021

Paper No: GT2021-59346

DOI: https://doi.org/10.1115/GT2021-59346

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Topics: Advanced materials, Aerospace industry, Alloys, Buckling, Finite element model, Flutter (Aerodynamics), Functionally graded materials, Oscillations, Pistons, Porosity

Proceedings Papers

A Novel Hybrid Seal: Design and Experimental Validation on a High Pressure Rotordynamic Test Rig

Giuseppe Vannini, Benjamin Defoy, Manjush Ganiger, Carlo Mazzali

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A016, June 7–11, 2021

Paper No: GT2021-59371

DOI: https://doi.org/10.1115/GT2021-59371

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Topics: Design, High pressure (Physics), Honeycomb structures, Pistons, Pressure, Compressors, Computational fluid dynamics, Control equipment, Dampers, Engines

Proceedings Papers

Surrogate Models for the Prediction of Damping Ratios in Coupled Acoustoelastic Rotor-Cavity Systems

Christoph Rocky Heinrich, Tina Unglaube, Bernd Beirow, Dieter Brillert, Klaus Steff, Nico Petry

Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT29A009, June 7–11, 2021

Paper No: GT2021-58835

DOI: https://doi.org/10.1115/GT2021-58835

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Topics: Cavities, Damping, Rotors, Acoustics, Compressors, Impellers, Compressed gases, Disks, Fluid structure interaction, High cycle fatigue

Proceedings Papers

Modeling and Testing of a Novel Ultra-Low Temperature sCO2 Opposing Piston Expander

Joshua Schmitt, Jordan Nielson

Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A027, June 7–11, 2021

Paper No: GT2021-60251

DOI: https://doi.org/10.1115/GT2021-60251

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Topics: Modeling, Pistons, Temperature, Testing, Cycles, Brayton cycle, Cylinders, Cylinder tests (Concrete), Energy generation, Engines

Proceedings Papers

Test Results for the Static and Rotordynamic Characteristics of a Long (L/D = 0.75) Smooth Seal in Two-Phase (Mainly Gas) Conditions With a 62-Bar Inlet Pressure

Dung L. Tran, Dara W. Childs, Hari Shrestha, Min Zhang

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A001, September 21–25, 2020

Paper No: GT2020-14118

DOI: https://doi.org/10.1115/GT2020-14118

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Topics: Pressure, Stiffness, Damping, Flow (Dynamics), Gas turbines, Geometry, Leakage, Multiphase flow, Pistons, Pumps

Proceedings Papers

Experimental Study on the Performance of a See-Through Labyrinth Seal With Two-Phase, Mainly-Liquid Mixtures

Min Zhang, Dara W. Childs

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A008, September 21–25, 2020

Paper No: GT2020-14268

DOI: https://doi.org/10.1115/GT2020-14268

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Topics: Centrifugal pumps, Clearances (Engineering), Damping, Flow (Dynamics), Fluids, Friction, Gas industry, Leakage, Pistons, Pressure

Proceedings Papers

Aero Engine Concepts Beyond 2030: Part 2 — The Free-Piston Composite Cycle Engine

Sascha Kaiser, Oliver Schmitz, Hermann Klingels

Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T06A018, September 21–25, 2020

Paper No: GT2020-15395

DOI: https://doi.org/10.1115/GT2020-15395

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Topics: Aircraft engines, Aviation, Climate, Combustion, Composite materials, Cycles, Engines, Pistons

Proceedings Papers

Aero Engine Concepts Beyond 2030: Part 3 — Experimental Demonstration of Technological Feasibility

Oliver Schmitz, Sascha Kaiser, Hermann Klingels, Petra Kufner, Martin Obermüller, Martin Henke, Jan Zanger, Felix Grimm, Simon Schuldt, Anna Marcellan, Daniele Cirigliano, Peter Kutne, Alex Heron-Himmel, Stephan Schneider, Judith Richter, Bernhard Weigand, Anne Göhler-Stroh, Arne Seitz, Mirko Hornung

Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T06A019, September 21–25, 2020

Paper No: GT2020-15397

DOI: https://doi.org/10.1115/GT2020-15397

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Topics: Aircraft engines, Aviation, Composite materials, Cycles, Engines, Pistons, Steam

Proceedings Papers

Numerical Investigations on the Static and Rotordynamic Characteristics of Hole-Pattern Seals With Annular or Pocket Grooves on Seal Stator

Zhi Fang, Zhigang Li, Jun Li, Zhenping Feng

Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A019, June 17–21, 2019

Paper No: GT2019-90776

DOI: https://doi.org/10.1115/GT2019-90776

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Topics: Stators, Stiffness, Computational fluid dynamics, Damping, Compressors, Deformation, Leakage flows, Transients (Dynamics), Dampers, Design

Proceedings Papers

Pump Grooved Seals: A CFD Approach to Improve Bulk-Flow Model Predictions

Tingcheng Wu, Luis San Andrés

Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A015, June 17–21, 2019

Paper No: GT2019-90499

DOI: https://doi.org/10.1115/GT2019-90499

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Topics: Computational fluid dynamics, Flow (Dynamics), Pumps, Leakage, Rotors, Shapes, Clearances (Engineering), Damping, Pressure, Stators

Proceedings Papers

Transcritical / Supercritical CO2 Recompression Brayton Cycle Using a Novel Rotary Liquid Piston Compressor

Azam Thatte

Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A019, June 17–21, 2019

Paper No: GT2019-91088

DOI: https://doi.org/10.1115/GT2019-91088

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Topics: Brayton cycle, Compressors, Pistons, Supercritical carbon dioxide, Compression, Carbon dioxide, Fluids, Flow (Dynamics), Temperature, Bearings

Proceedings Papers

Development and Initial Testing of a Radial Wave Engine

Pejman Akbari, Christopher J. Tait, Marc D. Polanka, Brian C. Sell

Proc. ASME. GT2019, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A038, June 17–21, 2019

Paper No: GT2019-90608

DOI: https://doi.org/10.1115/GT2019-90608

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Topics: Engines, Testing, Waves, Combustion chambers, Combustion, Gas turbines, Pressure, Disks, Weight (Mass), Design

Proceedings Papers

Large-Eddy Simulations of Heat Transfer Within a Multi-Perforation Synthetic Jets Configuration

Soizic Esnault, Florent Duchaine, Laurent Gicquel

Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT12A016, June 17–21, 2019

Paper No: GT2019-91375

DOI: https://doi.org/10.1115/GT2019-91375

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Topics: Heat transfer, Jets, Large eddy simulation, Flow (Dynamics), Pistons, Heat, Suction, Acoustics, Cavities, Cooling

NARROW

A Review of Pressure Gain Combustion Solutions for Aerospace Propulsion

Leakage Characteristics of a Stepped Balance Piston Labyrinth Seal in Supercritical CO2

Unsteady Gas Dynamics of Radial Turbine Volutes Under Pressure Pulsations

Dynamic Seal Test Rig: O-Ring Leakage and Sliding Friction Measurements

Experimental Force Coefficients for a Fully-Partitioned Pocket Damper Seal and Comparison to Other Two Seal Types

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

CFD Analysis of the Influence of Gas Content on the Rotordynamic Force Coefficients for a Circumferentially Grooved Annular Seal for Multiple Phase Pumps

Supersonic Aerodynamic Instability Characteristics of Bidirectional Porous Functionally Graded Panel

A Novel Hybrid Seal: Design and Experimental Validation on a High Pressure Rotordynamic Test Rig

Surrogate Models for the Prediction of Damping Ratios in Coupled Acoustoelastic Rotor-Cavity Systems

Modeling and Testing of a Novel Ultra-Low Temperature sCO2 Opposing Piston Expander

Test Results for the Static and Rotordynamic Characteristics of a Long (L/D = 0.75) Smooth Seal in Two-Phase (Mainly Gas) Conditions With a 62-Bar Inlet Pressure

Experimental Study on the Performance of a See-Through Labyrinth Seal With Two-Phase, Mainly-Liquid Mixtures

Aero Engine Concepts Beyond 2030: Part 2 — The Free-Piston Composite Cycle Engine

Aero Engine Concepts Beyond 2030: Part 3 — Experimental Demonstration of Technological Feasibility

Numerical Investigations on the Static and Rotordynamic Characteristics of Hole-Pattern Seals With Annular or Pocket Grooves on Seal Stator

Pump Grooved Seals: A CFD Approach to Improve Bulk-Flow Model Predictions

Transcritical / Supercritical CO2 Recompression Brayton Cycle Using a Novel Rotary Liquid Piston Compressor

Development and Initial Testing of a Radial Wave Engine

Large-Eddy Simulations of Heat Transfer Within a Multi-Perforation Synthetic Jets Configuration

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