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Journal Articles

The Effect of Air-Water Mixture on The Dynamic Response of A Hydrodynamic Journal Bearing With Inclined Grooves

Accepted Manuscript
Anthony Voitus, Mihai Arghir, Mohamed-Amine Hassini
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1626
https://doi.org/10.1115/1.4066716
Published Online: September 28, 2024
View Article titled, The Effect of Air-Water Mixture on The Dynamic Response of A Hydrodynamic Journal Bearing With Inclined Grooves
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Topics: Dynamic response, Journal bearings, Water, Stress, Bearings, Stability, Lubricants, Friction, Nuclear power stations, Pressure
Journal Articles

Dynamic Performance Analysis of A Turbocharged Pemfc System

Accepted Manuscript
Luca Mantelli, Federico Iester, Silvia Crosa, Michele Bozzolo, Loredana Magistri, Aristide Fausto Massardo
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1586
https://doi.org/10.1115/1.4066610
Published Online: September 26, 2024
View Article titled, Dynamic Performance Analysis of A Turbocharged Pemfc System
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Topics: Proton exchange membrane fuel cells, Stress, Valves, Control equipment, Dynamic models, Engineering simulation, Fuels, Simulation, Compressors, Cooling
Journal Articles

Insights Into the Flow Field and Performance of a Boundary Layer Pump

David John Rajendran, Kyril Palaveev, Eduardo Anselmi, Mani Santhanakrishnan, Vassilios Pachidis
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2024, 146(6): 061002.
Paper No: GTP-23-1390
https://doi.org/10.1115/1.4063834
Published Online: December 26, 2023
View Article titled, Insights Into the Flow Field and Performance of a Boundary Layer Pump
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Topics: Boundary layers, Disks, Entropy, Flow (Dynamics), Pressure, Pumps, Rotors, Design
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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031005.
Paper No: GTP-22-1435
https://doi.org/10.1115/1.4055638
Published Online: December 5, 2022
View Article titled, Measured Leakage and Rotordynamic Force Coefficients for Two Liquid Annular Seal Configurations: Smooth-Rotor/Grooved-Stator Versus Grooved-Rotor/Smooth-Stator
Open the PDF for Measured Leakage and Rotordynamic Force Coefficients for Two Liquid Annular Seal Configurations: Smooth-Rotor/Grooved-Stator Versus Grooved-Rotor/Smooth-Stator in another window
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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2022, 144(12): 121013.
Paper No: GTP-22-1419
https://doi.org/10.1115/1.4055495
Published Online: October 7, 2022
View Article titled, Gas Turbine Combined Cycle Range Enhancer—Part 2: Performance Demonstration
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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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2022, 144(5): 051016.
Paper No: GTP-21-1630
https://doi.org/10.1115/1.4053323
Published Online: February 21, 2022
View Article titled, Online (Remote) Teaching for Laboratory Based Courses Using “Digital Twins” of the Experiments
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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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2021, 143(11): 111007.
Paper No: GTP-21-1278
https://doi.org/10.1115/1.4051914
Published Online: September 27, 2021
View Article titled, Effects of Increased Tooth Clearance on the Performance of a Labyrinth Seal With Oil-Rich Bubbly Laminar Flow
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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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2021, 143(11): 111009.
Paper No: GTP-21-1280
https://doi.org/10.1115/1.4051952
Published Online: September 27, 2021
View Article titled, Performance of a Long Smooth Multiphase Pump Seal in Different Flow Regimes
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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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2021, 143(5): 051015.
Paper No: GTP-20-1562
https://doi.org/10.1115/1.4049988
Published Online: March 11, 2021
View Article titled, Experimental Investigation of a Small-Scale Organic Rankine Cycle Turbo-Generator Supported on Gas-Lubricated Bearings
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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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2021, 143(5): 051001.
Paper No: GTP-20-1756
https://doi.org/10.1115/1.4050156
Published Online: March 8, 2021
View Article titled, Numerical Characterization of the Performance Curve of a Regenerative Pump-as-Turbine
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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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2021, 143(1): 011015.
Paper No: GTP-20-1477
https://doi.org/10.1115/1.4048799
Published Online: January 4, 2021
View Article titled, Experimental Study on the Performance of a See-Through Labyrinth Seal With Two-Phase, Mainly-Liquid Mixtures
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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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2020, 142(4): 041004.
Paper No: GTP-19-1348
https://doi.org/10.1115/1.4044733
Published Online: January 29, 2020
View Article titled, Influence of Blade Flexibility on the Dynamic Response Simulation of a Turbomolecular Pump on Magnetic Bearings
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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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2020, 142(1): 011011.
Paper No: GTP-19-1327
https://doi.org/10.1115/1.4044682
Published Online: November 28, 2019
View Article titled, 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
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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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2019, 141(10): 101008.
Paper No: GTP-19-1323
https://doi.org/10.1115/1.4044205
Published Online: August 2, 2019
View Article titled, Offering Engineering Students Global Perspective Through Experiential Learning Project in Wind Energy and Sustainability
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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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2019, 141(10): 101005.
Paper No: GTP-19-1308
https://doi.org/10.1115/1.4044283
Published Online: July 31, 2019
View Article titled, Pump Grooved Seals: A Computational Fluid Dynamics Approach to Improve Bulk-Flow Model Predictions
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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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2019, 141(6): 061021.
Paper No: GTP-18-1168
https://doi.org/10.1115/1.4041756
Published Online: April 15, 2019
View Article titled, Numerical and Experimental Research on the Fluid-Induced Forces of Clearance Flow in Canned Motor Reactor Coolant Pump
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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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2019, 141(6): 061014.
Paper No: GTP-18-1622
https://doi.org/10.1115/1.4041921
Published Online: February 19, 2019
View Article titled, Planning for Successful Transients and Trips in a 1 MW e -Scale High-Temperature sCO 2 Test Loop
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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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2019, 141(8): 081002.
Paper No: GTP-18-1557
https://doi.org/10.1115/1.4042650
Published Online: February 11, 2019
View Article titled, Static and Rotordynamic Analysis of a Plain Annular (Liquid) Seal in the Laminar Regime With a Swirl Brake for Three Clearances
Open the PDF for Static and Rotordynamic Analysis of a Plain Annular (Liquid) Seal in the Laminar Regime With a Swirl Brake for Three Clearances in another window
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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2019, 141(2): 021014.
Paper No: GTP-16-1189
https://doi.org/10.1115/1.4041386
Published Online: October 4, 2018
View Article titled, Effects of Control Valve's Structure Parameters on the Circulation Characteristics for an Electronic Unit Pump
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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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2019, 141(2): 021008.
Paper No: GTP-18-1347
https://doi.org/10.1115/1.4040766
Published Online: September 21, 2018
View Article titled, On the Leakage, Torque, and Dynamic Force Coefficients of Air in Oil (Wet) Annular Seal: A Computational Fluid Dynamics Analysis Anchored to Test Data
Open the PDF for On the Leakage, Torque, and Dynamic Force Coefficients of Air in Oil (Wet) Annular Seal: A Computational Fluid Dynamics Analysis Anchored to Test Data in another window
Topics: Computational fluid dynamics, Flow (Dynamics), Leakage, Rotors, Stiffness, Damping, Pressure, Clearances (Engineering), Excitation, Hardening