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Proceedings Papers

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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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

Natural Gas Overhung Pipeline Compressor Rotordynamic Design, Test Validation, and Consideration of Morton Effect

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Wei Li, Christopher Braman, Hiroki Hatori, Manish Thorat, Brian Pettinato
Proc. ASME. GT2024, Volume 9: Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications; Steam Turbine, V009T19A017, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125936
https://doi.org/10.1115/GT2024-125936
View Paper titled, Natural Gas Overhung Pipeline Compressor Rotordynamic Design, Test Validation, and Consideration of Morton Effect
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Topics: Bearings, Compressors, Design, Natural gas, Pipelines, Rotors, Clearances (Engineering), Optimization, Risk, American Petroleum Institute
Proceedings Papers

A Piston Theory-Based Aeroelastic Stability Prediction Toolbox for Radial Turbomachinery

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Vincent Iskandar, David W. Fellows, Daniel J. Bodony, Sang-Guk Kang, Aaron J. Pope, Chol-Bum Kweon
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102051
https://doi.org/10.1115/GT2023-102051
View Paper titled, A Piston Theory-Based Aeroelastic Stability Prediction Toolbox for Radial Turbomachinery
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Topics: Computational fluid dynamics, Interpolation, Pistons, Stability, Turbochargers, Turbomachinery, Vibration, Graphical user interfaces, Blades, Fluids
Proceedings Papers

CFD Analysis and Experimental Validation of a sCO 2 Pocket Damper Seal

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Manjush Ganiger, Giuseppe Vannini, Manuele Bigi, R. Vidyasagar, Filippo Cangioli
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A014, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102395
https://doi.org/10.1115/GT2023-102395
View Paper titled, CFD Analysis and Experimental Validation of a sCO 2 Pocket Damper Seal
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Topics: Computational fluid dynamics, Dampers, Pistons
Proceedings Papers

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

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Adolfo Delgado, Luis San Andrés, Jing Yang, Jonathan Thiele
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, V08AT22A020, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83164
https://doi.org/10.1115/GT2022-83164
View Paper titled, Experimental Force Coefficients for a Fully-Partitioned Pocket Damper Seal and Comparison to Other Two Seal Types
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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

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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

Unsteady Gas Dynamics of Radial Turbine Volutes Under Pressure Pulsations

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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82255
https://doi.org/10.1115/GT2022-82255
View Paper titled, Unsteady Gas Dynamics of Radial Turbine Volutes Under Pressure Pulsations
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Topics: Gasdynamics, Pressure, Turbines, Flow (Dynamics), Engines, Computational fluid dynamics, Pistons, Unsteady flow, Carbon dioxide, Design methodology
Proceedings Papers

A Review of Pressure Gain Combustion Solutions for Aerospace Propulsion

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Sreenath Purushothaman, Avinash Renuke, Alessandro Sorce, Alberto Traverso
Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T06A035, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83799
https://doi.org/10.1115/GT2022-83799
View Paper titled, A Review of Pressure Gain Combustion Solutions for Aerospace Propulsion
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Topics: Aerospace industry, Combustion, Composite materials, Cycles, Engines, Explosions, Pistons, Pressure, Propulsion, Rotors
Proceedings Papers

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

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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82221
https://doi.org/10.1115/GT2022-82221
View Paper titled, Dynamic Seal Test Rig: O-Ring Leakage and Sliding Friction Measurements
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Topics: Leakage, Seals, Sliding friction, Sealing (Process), Friction, Machinery, Pistons, Bellows (Equipment), Carbon, Carbon dioxide
Proceedings Papers

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

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Jason Wilkes, Natalie R. Smith, Karl Wygant, Abhay Patil, Chris Kulhanek
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A023, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83262
https://doi.org/10.1115/GT2022-83262
View Paper titled, Leakage Characteristics of a Stepped Balance Piston Labyrinth Seal in Supercritical CO2
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Topics: Leakage, Pistons, Supercritical carbon dioxide, Thrust, Aerodynamics, Clearances (Engineering), Compressors, Computational fluid dynamics, Fluid-dynamic forces, Pressure
Proceedings Papers

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

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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59371
https://doi.org/10.1115/GT2021-59371
View Paper titled, A Novel Hybrid Seal: Design and Experimental Validation on a High Pressure Rotordynamic Test Rig
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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

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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58835
https://doi.org/10.1115/GT2021-58835
View Paper titled, Surrogate Models for the Prediction of Damping Ratios in Coupled Acoustoelastic Rotor-Cavity Systems
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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

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Joshua Schmitt, Jordan Nielson
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A027, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60251
https://doi.org/10.1115/GT2021-60251
View Paper titled, Modeling and Testing of a Novel Ultra-Low Temperature sCO2 Opposing Piston Expander
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Topics: Modeling, Pistons, Temperature, Testing, Cycles, Brayton cycle, Cylinders, Cylinder tests (Concrete), Energy generation, Engines
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

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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58631
https://doi.org/10.1115/GT2021-58631
View Paper titled, CFD Analysis of the Influence of Gas Content on the Rotordynamic Force Coefficients for a Circumferentially Grooved Annular Seal for Multiple Phase Pumps
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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

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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59346
https://doi.org/10.1115/GT2021-59346
View Paper titled, Supersonic Aerodynamic Instability Characteristics of Bidirectional Porous Functionally Graded Panel
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Topics: Advanced materials, Aerospace industry, Alloys, Buckling, Finite element model, Flutter (Aerodynamics), Functionally graded materials, Oscillations, Pistons, Porosity
Proceedings Papers

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

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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15395
https://doi.org/10.1115/GT2020-15395
View Paper titled, Aero Engine Concepts Beyond 2030: Part 2 — The Free-Piston Composite Cycle Engine
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Topics: Aircraft engines, Aviation, Climate, Combustion, Composite materials, Cycles, Engines, Pistons
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

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Dung L. Tran, Dara W. Childs, Hari Shrestha, Min Zhang
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A001, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14118
https://doi.org/10.1115/GT2020-14118
View Paper titled, 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
Open the PDF for 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 in another window
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

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Min Zhang, Dara W. Childs
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A008, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14268
https://doi.org/10.1115/GT2020-14268
View Paper titled, Experimental Study on the Performance of a See-Through Labyrinth Seal With Two-Phase, Mainly-Liquid Mixtures
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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 3 — Experimental Demonstration of Technological Feasibility

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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15397
https://doi.org/10.1115/GT2020-15397
View Paper titled, Aero Engine Concepts Beyond 2030: Part 3 — Experimental Demonstration of Technological Feasibility
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Topics: Aircraft engines, Aviation, Composite materials, Cycles, Engines, Pistons, Steam
Proceedings Papers

Development and Initial Testing of a Radial Wave Engine

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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90608
https://doi.org/10.1115/GT2019-90608
View Paper titled, Development and Initial Testing of a Radial Wave Engine
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Topics: Engines, Testing, Waves, Combustion chambers, Combustion, Gas turbines, Pressure, Disks, Weight (Mass), Design