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Proceedings Papers

Design and Parameter Identification of a Compliantly Damped Porous Carbon Hybrid Gas Bearing

Suryanarayan Balaji, Adolfo Delgado, Sang-Guk Kang, Chol-Bum M. Kweon

Publisher: American Society of Mechanical Engineers

Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A003, June 26–30, 2023

Paper No: GT2023-100904

https://doi.org/10.1115/GT2023-100904

View Paper titled, Design and Parameter Identification of a Compliantly Damped Porous Carbon Hybrid Gas Bearing

Topics: Bearings, Carbon, Dampers, Design, Gas bearings, Rotors, Stiffness

Proceedings Papers

Dynamic Performance of Liquid Smooth Annular Seal Operating in the Transition Regime

Seung-Hyeop Hyun, Adolfo Delgado

Publisher: American Society of Mechanical Engineers

Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A024, June 26–30, 2023

Paper No: GT2023-103158

https://doi.org/10.1115/GT2023-103158

View Paper titled, Dynamic Performance of Liquid Smooth Annular Seal Operating in the Transition Regime

Topics: Damping, Excitation, Flow (Dynamics), Leakage, Pressure, Reynolds number, Rotors, Stiffness, Turbulence

Journal Articles

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

J. Eng. Gas Turbines Power. May 2023, 145(5): 051019.

Paper No: GTP-22-1478

https://doi.org/10.1115/1.4056347

Published Online: January 10, 2023

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

Topics: Computational fluid dynamics, Dampers, Damping, Excitation, Flow (Dynamics), Leakage, Pressure, Rotors, Stiffness, Stability

Journal Articles

Stability of a Rotor Partially Filled With Fluid: Test Facility and Experimental Results

Marie Kasprzyk, John Sentmanat, Adolfo Delgado

J. Eng. Gas Turbines Power. April 2023, 145(4): 041019.

Paper No: GTP-22-1517

https://doi.org/10.1115/1.4055946

Published Online: December 13, 2022

View Article titled, Stability of a Rotor Partially Filled With Fluid: Test Facility and Experimental Results

Topics: Damping, Fluids, Rotors, Vibration, Waves, Bearings, Whirls

Proceedings Papers

Stability of a Rotor Partially-Filled With Fluid: Test Facility and Experimental Results

Marie Kasprzyk, John Sentmanat, Adolfo Delgado

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A008, June 13–17, 2022

Paper No: GT2022-82200

https://doi.org/10.1115/GT2022-82200

View Paper titled, Stability of a Rotor Partially-Filled With Fluid: Test Facility and Experimental Results

Topics: Fluids, Rotors, Stability, Test facilities, Vibration, Damping, Bearings, Dampers, Excitation, Gas turbines

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

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

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

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

Proceedings Papers

Optically Observed Turbulence In Thrust Collars at Low Critical Reynolds Number Including Numerical Predictions

Thomas Kerr, Adolfo Delgado

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A026, June 7–11, 2021

Paper No: GT2021-60360

https://doi.org/10.1115/GT2021-60360

View Paper titled, Optically Observed Turbulence In Thrust Collars at Low Critical Reynolds Number Including Numerical Predictions

Topics: Reynolds number, Thrust, Turbulence, Stress, Computational fluid dynamics, Bearings, Flow (Dynamics), Modeling, Particle spin, Rotation

Journal Articles

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for Supercritical Carbon Dioxide Turbomachinery: Experimental Evaluation and Fluid–Structure Model Predictions

Bugra Ertas, Keith Gary, Adolfo Delgado

J. Eng. Gas Turbines Power. August 2021, 143(8): 081023.

Paper No: GTP-20-1671

https://doi.org/10.1115/1.4050864

Published Online: May 7, 2021

View Article titled, Additively Manufactured Compliant Hybrid Gas Thrust Bearing for Supercritical Carbon Dioxide Turbomachinery: Experimental Evaluation and Fluid–Structure Model Predictions

Topics: Bearings, Fluids, Stress, Thrust, Thrust bearings, Turbomachinery, Pressure, Clearances (Engineering), Flow (Dynamics), Supercritical carbon dioxide

Proceedings Papers

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO 2 Turbomachinery: Experimental Evaluation and Fluid-Structure Model Predictions

Bugra Ertas, Keith Gary, Adolfo Delgado

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A018, September 21–25, 2020

Paper No: GT2020-14964

https://doi.org/10.1115/GT2020-14964

View Paper titled, Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO 2 Turbomachinery: Experimental Evaluation and Fluid-Structure Model Predictions

Topics: Additive manufacturing, Fluids, Thrust bearings, Turbomachinery, Stress, Bearings, Pressure, Hydrostatics, Thrust, Deflection

Proceedings Papers

Novel Approach for Optical Characterization of Thrust Collar Lubricated Area: Experimental and Numerical Results

Thomas Kerr, Adolfo Delgado

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A025, September 21–25, 2020

Paper No: GT2020-15467

https://doi.org/10.1115/GT2020-15467

View Paper titled, Novel Approach for Optical Characterization of Thrust Collar Lubricated Area: Experimental and Numerical Results

Topics: Thrust, Cavitation, Stress, Turbulence, Computational fluid dynamics, Modeling, Pressure, Algorithms, Bearings, Compressors

Proceedings Papers

A General-Purpose Test Facility for Evaluating Gas Lubricated Thrust Bearings

Keith Gary, Bugra Ertas, Adolfo Delgado

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A027, September 21–25, 2020

Paper No: GT2020-15520

https://doi.org/10.1115/GT2020-15520

View Paper titled, A General-Purpose Test Facility for Evaluating Gas Lubricated Thrust Bearings

Topics: Test facilities, Thrust bearings, Bearings, Fluids, Design, Gas turbines, Hydrostatics, Lubricants, Stress, Testing

Proceedings Papers

A Novel Controlled-Motion Test Rig to Evaluate Effect of Synchronous and Subsynchronous Lateral Vibration on Reliability and Performance of Mechanical Seals in Pumps

Clay S. Norrbin, Adolfo Delgado

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A029, September 21–25, 2020

Paper No: GT2020-15749

https://doi.org/10.1115/GT2020-15749

View Paper titled, A Novel Controlled-Motion Test Rig to Evaluate Effect of Synchronous and Subsynchronous Lateral Vibration on Reliability and Performance of Mechanical Seals in Pumps

Topics: Pumps, Reliability, Vibration, Rotors, Whirls, Flow (Dynamics), Leakage, Mineral oil, Temperature, Clearances (Engineering)

Journal Articles

Novel Approach for Optical Characterization of Thrust Collar Lubricated Area: Experimental and Numerical Results

Thomas Kerr, Adolfo Delgado

J. Eng. Gas Turbines Power. January 2021, 143(1): 011011.

Paper No: GTP-20-1435

https://doi.org/10.1115/1.4049013

Published Online: January 4, 2021

View Article titled, Novel Approach for Optical Characterization of Thrust Collar Lubricated Area: Experimental and Numerical Results

Topics: Cavitation, Computational fluid dynamics, Pressure, Stress, Thrust, Finite element analysis, Turbulence, Modeling, Algorithms, Bearings

Journal Articles

Effect of Leakage Flow Path Wear on Axial Thrust in Downhole Electrical Submersible Pump Unit

Abhay Patil, Marie Kasprzyk, Adolfo Delgado, Gerald Morrison

J. Fluids Eng. May 2020, 142(5): 051202.

Paper No: FE-19-1078

https://doi.org/10.1115/1.4045571

Published Online: February 3, 2020

View Article titled, Effect of Leakage Flow Path Wear on Axial Thrust in Downhole Electrical Submersible Pump Unit

Topics: Pumps, Thrust, Wear, Flow (Dynamics), Erosion, Impellers, Leakage flows, Pressure

Proceedings Papers

Predictive Model for Two-Phase Flow Performance of Mixed Flow Pumps

Abhay Patil, Burak Ayyildiz, Sahand Pirouzpanah, Adolfo Delgado, Gerald Morrison

Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A040, July 28–August 1, 2019

Paper No: AJKFluids2019-5486

https://doi.org/10.1115/AJKFluids2019-5486

View Paper titled, Predictive Model for Two-Phase Flow Performance of Mixed Flow Pumps

Topics: Flow (Dynamics), Multiphase flow, Pumps, Two-phase flow

Proceedings Papers

Static Stiffness Measurements for a Thrust Collar Used in an Integrally Geared Compressor

Thomas Kerr, Adolfo Delgado, Dara Childs

Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A013, June 17–21, 2019

Paper No: GT2019-90488

https://doi.org/10.1115/GT2019-90488

View Paper titled, Static Stiffness Measurements for a Thrust Collar Used in an Integrally Geared Compressor

Topics: Compressors, Stiffness, Thrust, Stress, Particle spin, Rotation, Spin (Aerodynamics), Deflection, Cables, Gears

Journal Articles

Extending Classical Friction Loss Modeling to Predict the Viscous Performance of Pumping Devices

Abhay Patil, Wenjie Yin, Rahul Agarwal, Adolfo Delgado, Gerald Morrison

J. Fluids Eng. October 2019, 141(10): 101202.

Paper No: FE-18-1717

https://doi.org/10.1115/1.4043162

Published Online: April 15, 2019

View Article titled, Extending Classical Friction Loss Modeling to Predict the Viscous Performance of Pumping Devices

Topics: Computational fluid dynamics, Flow (Dynamics), Friction, Pumps, Viscosity, Fluids, Reynolds number, Modeling

Journal Articles

Static and Dynamic Coefficient Measurements for a Thrust Collar Used in an Integrally Geared Compressor

Thomas Kerr, Andrew Crandall, Dara Childs, Adolfo Delgado

J. Eng. Gas Turbines Power. May 2019, 141(5): 051020.

Paper No: GTP-18-1314

https://doi.org/10.1115/1.4041654

Published Online: March 14, 2019

View Article titled, Static and Dynamic Coefficient Measurements for a Thrust Collar Used in an Integrally Geared Compressor

Topics: Compressors, Damping, Deflection, Degrees of freedom, Hammers, Rotation, Stiffness, Stress, Test facilities, Thrust

Journal Articles

Dynamic Characterization of a Novel Externally Pressurized Compliantly Damped Gas-Lubricated Bearing With Hermetically Sealed Squeeze Film Damper Modules

Adolfo Delgado, Bugra Ertas

J. Eng. Gas Turbines Power. February 2019, 141(2): 021028.

Paper No: GTP-18-1423

https://doi.org/10.1115/1.4041311

Published Online: October 16, 2018

View Article titled, Dynamic Characterization of a Novel Externally Pressurized Compliantly Damped Gas-Lubricated Bearing With Hermetically Sealed Squeeze Film Damper Modules

Topics: Bearings, Dampers, Design, Damping, Stiffness, Stress, Rotors

Journal Articles

Hermetically Sealed Squeeze Film Damper for Operation in Oil-Free Environments

Bugra Ertas, Adolfo Delgado

J. Eng. Gas Turbines Power. February 2019, 141(2): 022503.

Paper No: GTP-18-1421

https://doi.org/10.1115/1.4041520

Published Online: October 15, 2018

View Article titled, Hermetically Sealed Squeeze Film Damper for Operation in Oil-Free Environments

Topics: Dampers, Damping, Cavities, Fluids, Stiffness, Vibration

Journal citation

NARROW

Design and Parameter Identification of a Compliantly Damped Porous Carbon Hybrid Gas Bearing

Dynamic Performance of Liquid Smooth Annular Seal Operating in the Transition Regime

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

Stability of a Rotor Partially Filled With Fluid: Test Facility and Experimental Results

Stability of a Rotor Partially-Filled With Fluid: Test Facility and Experimental Results

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

Optically Observed Turbulence In Thrust Collars at Low Critical Reynolds Number Including Numerical Predictions

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for Supercritical Carbon Dioxide Turbomachinery: Experimental Evaluation and Fluid–Structure Model Predictions

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO 2 Turbomachinery: Experimental Evaluation and Fluid-Structure Model Predictions

Novel Approach for Optical Characterization of Thrust Collar Lubricated Area: Experimental and Numerical Results

A General-Purpose Test Facility for Evaluating Gas Lubricated Thrust Bearings

A Novel Controlled-Motion Test Rig to Evaluate Effect of Synchronous and Subsynchronous Lateral Vibration on Reliability and Performance of Mechanical Seals in Pumps

Novel Approach for Optical Characterization of Thrust Collar Lubricated Area: Experimental and Numerical Results

Effect of Leakage Flow Path Wear on Axial Thrust in Downhole Electrical Submersible Pump Unit

Predictive Model for Two-Phase Flow Performance of Mixed Flow Pumps

Static Stiffness Measurements for a Thrust Collar Used in an Integrally Geared Compressor

Extending Classical Friction Loss Modeling to Predict the Viscous Performance of Pumping Devices

Static and Dynamic Coefficient Measurements for a Thrust Collar Used in an Integrally Geared Compressor

Dynamic Characterization of a Novel Externally Pressurized Compliantly Damped Gas-Lubricated Bearing With Hermetically Sealed Squeeze Film Damper Modules

Hermetically Sealed Squeeze Film Damper for Operation in Oil-Free Environments

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