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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

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

The Axial-Throughflow Influence on the Taylor Vortices In Taylor-Couette-Poiseuille System

Siyi Li, Qiang Du, Yaguang Xie, Guang Liu, Zengyan Lian, Yifu Luo, Lei Xie
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T14A013, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126931
https://doi.org/10.1115/GT2024-126931
View Paper titled, The Axial-Throughflow Influence on the Taylor Vortices In Taylor-Couette-Poiseuille System
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Topics: Flow (Dynamics), Vortices, Heat transfer, Aircraft engines, Clearances (Engineering), Computer simulation, Cooling, Cylinders, Flow control, High pressure (Physics)
Proceedings Papers

Unsteady Pressures During Frequency Lock-in of a Cylinder Experiencing Non-Synchronous Vibrations

Richard Hollenbach, Isabelle Sanz, Robert Kielb
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT36A022, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103908
https://doi.org/10.1115/GT2023-103908
View Paper titled, Unsteady Pressures During Frequency Lock-in of a Cylinder Experiencing Non-Synchronous Vibrations
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Topics: Computational fluid dynamics, Cylinders, Locks (Waterways), Vibration, Vortex shedding
Proceedings Papers

A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 1: Sliding Interfaces and Unsteady Row Interactions

Michael Bergmann, Christian Morsbach, Björn F. Klose, Graham Ashcroft, Edmund Kügeler
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT36A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101623
https://doi.org/10.1115/GT2023-101623
View Paper titled, A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 1: Sliding Interfaces and Unsteady Row Interactions
Open the PDF for A Numerical Test Rig for Turbomachinery Flows Based on Large Eddy Simulations With a High-Order Discontinuous Galerkin Scheme - Part 1: Sliding Interfaces and Unsteady Row Interactions in another window
Topics: Flow (Dynamics), Large eddy simulation, Turbomachinery, Wakes, Cascades (Fluid dynamics), Computer simulation, Engineering simulation, Simulation, Computational fluid dynamics, Convection
Proceedings Papers

Convergence of Dynamic Mode Decomposition As an Assessment Criteria for Completion of Internal, Unsteady Flow Simulations

Amelia George, Jeff Defoe
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT32A011, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101480
https://doi.org/10.1115/GT2023-101480
View Paper titled, Convergence of Dynamic Mode Decomposition As an Assessment Criteria for Completion of Internal, Unsteady Flow Simulations
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Topics: Simulation, Unsteady flow, Algorithms, Computational fluid dynamics, Flow (Dynamics), Computation, Cylinders, Transients (Dynamics), Airfoils, Ducts
Proceedings Papers

Advanced Polytropic Efficiency and H-S Diagram Application

Hans E. Wettstein
Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T07A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101372
https://doi.org/10.1115/GT2023-101372
View Paper titled, Advanced Polytropic Efficiency and H-S Diagram Application
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Topics: Algorithms, Compressors, Condensation, Cycles, Cylinders, Energy dissipation, Engines, Equilibrium (Physics), Flow (Dynamics), Fluids
Proceedings Papers

Effects of Leading Edge Shape on Effusion Film Cooling

Yu-Chuan Chang, Szu-Chi Huang, Chih-Yung Huang, Yao-Hsien Liu
Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT12A013, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102861
https://doi.org/10.1115/GT2023-102861
View Paper titled, Effects of Leading Edge Shape on Effusion Film Cooling
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Topics: Cooling, Film cooling, Pressure, Shapes, Cylinders, Testing, Additive manufacturing, Coolants, Density, Reynolds number
Proceedings Papers

Stratified and Buoyancy-Induced Flow in Closed Compressor Rotors

Gary D. Lock, Richard W. Jackson, Mikolaj Pernak, Oliver J. Pountney, Carl M. Sangan, J. Michael Owen, Hui Tang, James A. Scobie
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A007, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82023
https://doi.org/10.1115/GT2022-82023
View Paper titled, Stratified and Buoyancy-Induced Flow in Closed Compressor Rotors
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Topics: Buoyancy, Compressors, Flow (Dynamics), Rotors, Disks, Fluids, Heat transfer, Temperature, Cavities, Compressibility
Proceedings Papers

Experimental and Numerical Investigation of a Novel Method for Gradient Temperature Measurement

Markus Schönheit, Marcus Thiele, Edward Ginzbursky, Anastasia Thomas
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A017, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82909
https://doi.org/10.1115/GT2022-82909
View Paper titled, Experimental and Numerical Investigation of a Novel Method for Gradient Temperature Measurement
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Topics: Accuracy and precision, Alloys, Combustion chambers, Computational fluid dynamics, Cooling, Crystals, Cycles, Cylinders, Design, Design methodology
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
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

Effect of Microcylinder and D-Cylinder at the Leading Edge of a Wells Turbine Harvesting Wave Energy

P. Sadees, P. Madhan Kumar, Abdus Samad
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A013, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59897
https://doi.org/10.1115/GT2021-59897
View Paper titled, Effect of Microcylinder and D-Cylinder at the Leading Edge of a Wells Turbine Harvesting Wave Energy
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Topics: Computational fluid dynamics, Cylinders, Turbines, Wave energy, Wells
Proceedings Papers

Large Eddy Simulation of the Flow Past a Circular Cylinder at Super-Critical Reynolds Numbers

Mohammad H. B. Ahmadi, Zhiyin Yang
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A038, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15393
https://doi.org/10.1115/GT2020-15393
View Paper titled, Large Eddy Simulation of the Flow Past a Circular Cylinder at Super-Critical Reynolds Numbers
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Topics: Circular cylinders, Flow (Dynamics), Large eddy simulation, Reynolds number, Cylinders, Resolution (Optics), Engineering simulation, Shear (Mechanics), Simulation, Turbulence
Proceedings Papers

The Flow Field Characteristic Correlated With Heat Transfer Performance in a Wide Channel With Staggered Circular Pin Fins

Jingtian Duan, Ke Zhang, Jin Xu, Jiang Lei, Junmei Wu
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A035, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16177
https://doi.org/10.1115/GT2020-16177
View Paper titled, The Flow Field Characteristic Correlated With Heat Transfer Performance in a Wide Channel With Staggered Circular Pin Fins
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Topics: Fins, Flow (Dynamics), Heat transfer, Statistics, Cylinders, Geometry, Kinetic energy, Liquid crystals, Particulate matter, Reynolds number
Proceedings Papers

The Effect of Wall Thermal Boundary Condition on Natural Convective Shutdown Cooling in a Gas Turbine

Daniel D. Fahy, Peter Ireland
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT13A026, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16008
https://doi.org/10.1115/GT2020-16008
View Paper titled, The Effect of Wall Thermal Boundary Condition on Natural Convective Shutdown Cooling in a Gas Turbine
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Topics: Cooling, Gas turbines, Thermal boundary layers, Heat transfer, Rotors, Temperature gradient, Annulus, Boundary layers, Convection, Cylinders
Proceedings Papers

Unsteady Numerical Investigation on Film Cooling Characteristics of the Trailing Edge Cutback With Upstream Cylinder Hole

Xiangtao Xiao, Pei Wang, Qingzong Xu, Qiang Du, Jun Liu, Sheng Chang
Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A051, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15346
https://doi.org/10.1115/GT2020-15346
View Paper titled, Unsteady Numerical Investigation on Film Cooling Characteristics of the Trailing Edge Cutback With Upstream Cylinder Hole
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Topics: Cylinders, Film cooling, Vortex shedding, Coolants, Pressure, Design, Flat plates, High pressure (Physics), Numerical analysis, Temperature
Proceedings Papers

High Fidelity Simulation of Fluid-Structure Interaction in a 1½ Stage Axial Turbine

Joshua Zorn, Roger Davis, John Clark
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT30A004, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90972
https://doi.org/10.1115/GT2019-90972
View Paper titled, High Fidelity Simulation of Fluid-Structure Interaction in a 1½ Stage Axial Turbine
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Topics: Fluid structure interaction, Simulation, Turbines, Airfoils, Displacement, Turbomachinery, Aeroelasticity, Cylinders, Fluid dynamics, Momentum
Proceedings Papers

Experimental Study on Centrifugal Compressor Performance at Pulsating Backpressure Conditions

Mengying Shu, Mingyang Yang, Kaiyue Zhang, Ricardo F. Martinez-Botas, Kangyao Deng
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT44A012, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90735
https://doi.org/10.1115/GT2019-90735
View Paper titled, Experimental Study on Centrifugal Compressor Performance at Pulsating Backpressure Conditions
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Topics: Compressors, Surges, Flow (Dynamics), Engines, Turbochargers, Cylinders, Design methodology, Fast Fourier transforms, Fluctuations (Physics), Frequency-domain analysis
Proceedings Papers

High Power Steam Turbine Lifetime Increase by Means of Front End Seal Arrangement and Start-Up Heating Conditions Improvement

Leonid Moroz, Roman Kochurov, Julija Bakhmutska, Vladimir Goloshchapov
Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A011, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90437
https://doi.org/10.1115/GT2019-90437
View Paper titled, High Power Steam Turbine Lifetime Increase by Means of Front End Seal Arrangement and Start-Up Heating Conditions Improvement
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Topics: Heating, Steam turbines, Rotors, Steam, Stress, Design, Film condensation, Flow (Dynamics), Turbines, Cylinders
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91088
https://doi.org/10.1115/GT2019-91088
View Paper titled, Transcritical / Supercritical CO2 Recompression Brayton Cycle Using a Novel Rotary Liquid Piston Compressor
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Topics: Brayton cycle, Compressors, Pistons, Supercritical carbon dioxide, Compression, Carbon dioxide, Fluids, Flow (Dynamics), Temperature, Bearings
Proceedings Papers

Development and Commissioning of a Blowdown Facility for Dense Gas Vapours

Miles C. Robertson, Peter J. Newton, Tao Chen, Ricardo F. Martinez-Botas
Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T28A002, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91609
https://doi.org/10.1115/GT2019-91609
View Paper titled, Development and Commissioning of a Blowdown Facility for Dense Gas Vapours
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Topics: Computational fluid dynamics, Computer simulation, Cylinders, Design, Displacement, Equations of state, Error analysis, Flow (Dynamics), Fluids, Geothermal engineering