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Journal Articles

Measured Leakage and Rotordynamic Force Coefficients for Two Liquid Annular Seal Configurations: Smooth-Rotor/Grooved-Stator Versus Grooved-Rotor/Smooth-Stator

Dara W. Childs, Jing Yang, Luis San Andrés, Jose M. Torres Rueda, James Alex Moreland

J. Eng. Gas Turbines Power. March 2023, 145(3): 031005.

Paper No: GTP-22-1435

DOI: https://doi.org/10.1115/1.4055638

Published Online: December 5, 2022

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Topics: Leakage, Rotors, Stators, Stiffness, Damping, Pumps

Journal Articles

Gas Turbine Combined Cycle Range Enhancer—Part 2: Performance Demonstration

Tommaso Reboli, Marco Ferrando, Lorenzo Gini, Luca Mantelli, Alessandro Sorce, Alberto Traverso

J. Eng. Gas Turbines Power. December 2022, 144(12): 121013.

Paper No: GTP-22-1419

DOI: https://doi.org/10.1115/1.4055495

Published Online: October 7, 2022

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Topics: Combined cycles, Compressors, Control systems, Cooling, Electricity (Physics), Gas turbines, Stress, Temperature, Thermal energy storage, Thermal energy

Journal Articles

Online (Remote) Teaching for Laboratory Based Courses Using “Digital Twins” of the Experiments

Sabri Deniz, Ulf Christian Müller, Ivo Steiner, Thomas Sergi

J. Eng. Gas Turbines Power. May 2022, 144(5): 051016.

Paper No: GTP-21-1630

DOI: https://doi.org/10.1115/1.4053323

Published Online: February 21, 2022

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Topics: Compressors, Flow (Dynamics), Students, Teaching, Pumps, Pandemics

Journal Articles

Effects of Increased Tooth Clearance on the Performance of a Labyrinth Seal With Oil-Rich Bubbly Laminar Flow

Min Zhang, Dara W. Childs

J. Eng. Gas Turbines Power. November 2021, 143(11): 111007.

Paper No: GTP-21-1278

DOI: https://doi.org/10.1115/1.4051914

Published Online: September 27, 2021

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Topics: Clearances (Engineering), Flow (Dynamics), Leakage, Pumps, Rotors, Stiffness, Stators, Fluids, Pressure drop, Laminar flow

Journal Articles

Performance of a Long Smooth Multiphase Pump Seal in Different Flow Regimes

Min Zhang, Dara W. Childs

J. Eng. Gas Turbines Power. November 2021, 143(11): 111009.

Paper No: GTP-21-1280

DOI: https://doi.org/10.1115/1.4051952

Published Online: September 27, 2021

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Topics: Flow (Dynamics), Turbulence, Laminar flow, Pumps

Journal Articles

Experimental Investigation of a Small-Scale Organic Rankine Cycle Turbo-Generator Supported on Gas-Lubricated Bearings

Kévin Rosset, Olivier Pajot, Jürg Schiffmann

J. Eng. Gas Turbines Power. May 2021, 143(5): 051015.

Paper No: GTP-20-1562

DOI: https://doi.org/10.1115/1.4049988

Published Online: March 11, 2021

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Topics: Bearings, Fluids, Organic Rankine cycle, Pressure, Pumps, Rotors, Turbines, Turbogenerators, Engineering prototypes, Stress

Journal Articles

Numerical Characterization of the Performance Curve of a Regenerative Pump-as-Turbine

Giulio Cantini, Simone Salvadori

J. Eng. Gas Turbines Power. May 2021, 143(5): 051001.

Paper No: GTP-20-1756

DOI: https://doi.org/10.1115/1.4050156

Published Online: March 8, 2021

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Topics: Machinery, Pumps, Turbines, Flow (Dynamics), Computer simulation

Journal Articles

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

Min Zhang, Dara W. Childs

J. Eng. Gas Turbines Power. January 2021, 143(1): 011015.

Paper No: GTP-20-1477

DOI: https://doi.org/10.1115/1.4048799

Published Online: January 4, 2021

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Topics: Flow (Dynamics), Fluids, Leakage, Pumps, Rotors, Stiffness, Pressure, Clearances (Engineering), Damping, Friction

Journal Articles

Influence of Blade Flexibility on the Dynamic Response Simulation of a Turbomolecular Pump on Magnetic Bearings

Alysson Bruno Barbosa Moreira, Fabrice Thouverez

J. Eng. Gas Turbines Power. April 2020, 142(4): 041004.

Paper No: GTP-19-1348

DOI: https://doi.org/10.1115/1.4044733

Published Online: January 29, 2020

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Topics: Blades, Control equipment, Magnetic bearings, Magnetic fields, Pumps, Rotation, Rotors, Simulation, Stability, Poles (Building)

Journal Articles

Leakage and Force Coefficients of a Grooved Wet (Bubbly Liquid) Seal for Multiphase Pumps and Comparisons With Prior Test Results for a Three Wave Seal

Xueliang Lu, Luis San Andrés, Tingcheng Wu

J. Eng. Gas Turbines Power. January 2020, 142(1): 011011.

Paper No: GTP-19-1327

DOI: https://doi.org/10.1115/1.4044682

Published Online: November 28, 2019

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Topics: Clearances (Engineering), Damping, Flow (Dynamics), Leakage, Pressure, Pumps, Stiffness, Waves

Journal Articles

Offering Engineering Students Global Perspective Through Experiential Learning Project in Wind Energy and Sustainability

Lamyaa El-Gabry, Martina Jaskolski

J. Eng. Gas Turbines Power. October 2019, 141(10): 101008.

Paper No: GTP-19-1323

DOI: https://doi.org/10.1115/1.4044205

Published Online: August 2, 2019

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Topics: Pumps, Students, Sustainability, Water, Wind, Testing, Performance, Seas

Journal Articles

Pump Grooved Seals: A Computational Fluid Dynamics Approach to Improve Bulk-Flow Model Predictions

Tingcheng Wu, Luis San Andrés

J. Eng. Gas Turbines Power. October 2019, 141(10): 101005.

Paper No: GTP-19-1308

DOI: https://doi.org/10.1115/1.4044283

Published Online: July 31, 2019

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Topics: Computational fluid dynamics, Flow (Dynamics), Rotors, Friction, Shapes, Pumps, Leakage

Journal Articles

Numerical and Experimental Research on the Fluid-Induced Forces of Clearance Flow in Canned Motor Reactor Coolant Pump

Rui Xu, Yun Long, Yaoyu Hu, Junlian Yin, Dezhong Wang

J. Eng. Gas Turbines Power. June 2019, 141(6): 061021.

Paper No: GTP-18-1168

DOI: https://doi.org/10.1115/1.4041756

Published Online: April 15, 2019

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Topics: Clearances (Engineering), Engines, Flow (Dynamics), Fluids, Motors, Pumps, Rotors, Nuclear reactor coolants, Whirls, Computational fluid dynamics

Journal Articles

Planning for Successful Transients and Trips in a 1 MW e -Scale High-Temperature sCO 2 Test Loop

Timothy C. Allison, J. Jeffrey Moore, Doug Hofer, Meera Day Towler, Joseph Thorp

J. Eng. Gas Turbines Power. June 2019, 141(6): 061014.

Paper No: GTP-18-1622

DOI: https://doi.org/10.1115/1.4041921

Published Online: February 19, 2019

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Topics: Design, Flow (Dynamics), High temperature, Pressure, Temperature, Transients (Dynamics), Turbines, Pumps, Failure mechanisms, Pipes

Journal Articles

Static and Rotordynamic Analysis of a Plain Annular (Liquid) Seal in the Laminar Regime With a Swirl Brake for Three Clearances

Ovais Ahmed Bin Najeeb, Dara W. Childs

J. Eng. Gas Turbines Power. August 2019, 141(8): 081002.

Paper No: GTP-18-1557

DOI: https://doi.org/10.1115/1.4042650

Published Online: February 11, 2019

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Topics: Brakes, Clearances (Engineering), Rotors, Stators, Stiffness, Stress, Fluids, Pumps

Journal Articles

Effects of Control Valve's Structure Parameters on the Circulation Characteristics for an Electronic Unit Pump

Wan-Lin Zhao, Guo-Xiu Li, Lan Wang, Hong-Meng Li, Jie Wang, Shuang-Yi He

J. Eng. Gas Turbines Power. February 2019, 141(2): 021014.

Paper No: GTP-16-1189

DOI: https://doi.org/10.1115/1.4041386

Published Online: October 4, 2018

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Topics: Cavitation, Flow (Dynamics), Valves, Pumps, Fuels

Journal Articles

On the Leakage, Torque, and Dynamic Force Coefficients of Air in Oil (Wet) Annular Seal: A Computational Fluid Dynamics Analysis Anchored to Test Data

Luis San Andrés, Jing Yang, Xueliang Lu

J. Eng. Gas Turbines Power. February 2019, 141(2): 021008.

Paper No: GTP-18-1347

DOI: https://doi.org/10.1115/1.4040766

Published Online: September 21, 2018

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Topics: Computational fluid dynamics, Flow (Dynamics), Leakage, Rotors, Stiffness, Damping, Pressure, Clearances (Engineering), Excitation, Hardening

Journal Articles

Modal Analysis of Fuel Injection Systems and the Determination of a Transfer Function Between Rail Pressure and Injection Rate

A. Ferrari, F. Paolicelli

J. Eng. Gas Turbines Power. November 2018, 140(11): 112808.

Paper No: GTP-16-1549

DOI: https://doi.org/10.1115/1.4039348

Published Online: July 30, 2018

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Topics: Ejectors, Flow (Dynamics), Fuels, Pipes, Pressure, Pumps, Rails, Transfer functions, Modal analysis, Eigenvalues

Journal Articles

Lateral Equilibrium Position Analysis Program With Applications to Electric Submersible Pumps

Clay S. Norrbin, Dara W. Childs

J. Eng. Gas Turbines Power. June 2018, 140(6): 062602.

Paper No: GTP-17-1478

DOI: https://doi.org/10.1115/1.4038482

Published Online: January 17, 2018

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Topics: Cathodic protection, Displacement, Equilibrium (Physics), Fluids, Pumps, Rotors, Submersibles, Stiffness, Stability, Rotordynamics

Journal Articles

Leakage, Drag Power, and Rotordynamic Force Coefficients of an Air in Oil (Wet) Annular Seal

Luis San Andrés, Xueliang Lu

J. Eng. Gas Turbines Power. January 2018, 140(1): 012505.

Paper No: GTP-17-1268

DOI: https://doi.org/10.1115/1.4037622

Published Online: September 19, 2017

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Topics: Clearances (Engineering), Damping, Drag (Fluid dynamics), Excitation, Flow (Dynamics), Leakage, Pressure, Stiffness, Whirls, Rotors

Journal citation

NARROW

Measured Leakage and Rotordynamic Force Coefficients for Two Liquid Annular Seal Configurations: Smooth-Rotor/Grooved-Stator Versus Grooved-Rotor/Smooth-Stator

Gas Turbine Combined Cycle Range Enhancer—Part 2: Performance Demonstration

Online (Remote) Teaching for Laboratory Based Courses Using “Digital Twins” of the Experiments

Effects of Increased Tooth Clearance on the Performance of a Labyrinth Seal With Oil-Rich Bubbly Laminar Flow

Performance of a Long Smooth Multiphase Pump Seal in Different Flow Regimes

Experimental Investigation of a Small-Scale Organic Rankine Cycle Turbo-Generator Supported on Gas-Lubricated Bearings

Numerical Characterization of the Performance Curve of a Regenerative Pump-as-Turbine

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

Influence of Blade Flexibility on the Dynamic Response Simulation of a Turbomolecular Pump on Magnetic Bearings

Leakage and Force Coefficients of a Grooved Wet (Bubbly Liquid) Seal for Multiphase Pumps and Comparisons With Prior Test Results for a Three Wave Seal

Offering Engineering Students Global Perspective Through Experiential Learning Project in Wind Energy and Sustainability

Pump Grooved Seals: A Computational Fluid Dynamics Approach to Improve Bulk-Flow Model Predictions

Numerical and Experimental Research on the Fluid-Induced Forces of Clearance Flow in Canned Motor Reactor Coolant Pump

Planning for Successful Transients and Trips in a 1 MW e -Scale High-Temperature sCO 2 Test Loop

Static and Rotordynamic Analysis of a Plain Annular (Liquid) Seal in the Laminar Regime With a Swirl Brake for Three Clearances

Effects of Control Valve's Structure Parameters on the Circulation Characteristics for an Electronic Unit Pump

On the Leakage, Torque, and Dynamic Force Coefficients of Air in Oil (Wet) Annular Seal: A Computational Fluid Dynamics Analysis Anchored to Test Data

Modal Analysis of Fuel Injection Systems and the Determination of a Transfer Function Between Rail Pressure and Injection Rate

Lateral Equilibrium Position Analysis Program With Applications to Electric Submersible Pumps

Leakage, Drag Power, and Rotordynamic Force Coefficients of an Air in Oil (Wet) Annular Seal

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