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Journal Articles

Assessment of Rotordynamic Characteristics for Two Types of Damper Seals Operating in a Steam Turbine

Zhigang Li, Zihan Zhang, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2025, 147(2): 021005.
Paper No: GTP-24-1370
https://doi.org/10.1115/1.4066295
Published Online: September 26, 2024
View Article titled, Assessment of Rotordynamic Characteristics for Two Types of Damper Seals Operating in a Steam Turbine
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Topics: Brakes, Dampers, Damping, Fluids, Rotors, Steam turbines, Stiffness, Whirls, Cavities, Pressure
Journal Articles

Sensitivity Analysis of the Static and Rotordynamic Characteristics on Geometric Parameters for a Supercritical Carbon Dioxide Hole-Pattern Damper Seal

Zhigang Li, Zihan Zhang, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011005.
Paper No: GTP-24-1148
https://doi.org/10.1115/1.4066287
Published Online: September 13, 2024
View Article titled, Sensitivity Analysis of the Static and Rotordynamic Characteristics on Geometric Parameters for a Supercritical Carbon Dioxide Hole-Pattern Damper Seal
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Topics: Cavities, Computer simulation, Dampers, Damping, Design, Fluids, Leakage, Leakage flows, Numerical analysis, Rotors
Journal Articles

Correlations for the Performance, Efficiency, and Energy Losses for Single Cylinder, Four-Cycle Internal Combustion Engines With Displaced Volumes Ranging From 40 to 200 cc

Jason R. Blantin, Marc D. Polanka, Joseph K. Ausserer, Jacob A. Baranski
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031027.
Paper No: GTP-21-1481
https://doi.org/10.1115/1.4053563
Published Online: February 15, 2023
View Article titled, Correlations for the Performance, Efficiency, and Energy Losses for Single Cylinder, Four-Cycle Internal Combustion Engines With Displaced Volumes Ranging From 40 to 200 cc
Open the PDF for Correlations for the Performance, Efficiency, and Energy Losses for Single Cylinder, Four-Cycle Internal Combustion Engines With Displaced Volumes Ranging From 40 to 200 cc in another window
Topics: Combustion, Cylinders, Engines, Exhaust systems, Fuels, Internal combustion engines, Enthalpy, Brakes, Temperature, Cooling loads
Journal Articles

Experimentally Measured Effectiveness of Different Shroud Swirl Brake Profiles in a Centrifugal Compressor

Jason Wilkes, Natalie Smith, Balaji Venkataraman, Marco Vagani, Sara Goucher
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2023, 145(5): 051012.
Paper No: GTP-21-1576
https://doi.org/10.1115/1.4056109
Published Online: January 10, 2023
View Article titled, Experimentally Measured Effectiveness of Different Shroud Swirl Brake Profiles in a Centrifugal Compressor
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Topics: Brakes, Cavities, Compressors, Design, Flow (Dynamics), Impellers, Pressure, Probes, Rotors
Journal Articles

Enhancement of Low Operating Load Limit and Engine Characteristics by Hydrogen Addition in a Biogas-Fueled Spark-Ignition Engine

Hiresh Bundele, Penmatsa Sandeep Varma, Caneon Kurien, Mayank Mittal
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2023, 145(2): 021006.
Paper No: GTP-22-1219
https://doi.org/10.1115/1.4056101
Published Online: November 28, 2022
View Article titled, Enhancement of Low Operating Load Limit and Engine Characteristics by Hydrogen Addition in a Biogas-Fueled Spark-Ignition Engine
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Topics: Biogas, Carbon dioxide, Combustion, Cylinders, Emissions, Engines, Fuels, Hydrogen, Methane, Spark-ignition engine
Journal Articles

Static and Rotordynamic Characteristics for Two Types of Novel Hole-Pattern Seals Operating in Supercritical CO 2 Turbomachinery

Zhigang Li, Zhuocong Li, Jun Li, Zhenping Feng
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2022, 144(7): 071006.
Paper No: GTP-21-1636
https://doi.org/10.1115/1.4054374
Published Online: May 20, 2022
View Article titled, Static and Rotordynamic Characteristics for Two Types of Novel Hole-Pattern Seals Operating in Supercritical CO 2 Turbomachinery
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Topics: Brakes, Cavities, Clearances (Engineering), Dampers, Damping, Fluids, Pressure, Rotors, Stiffness, Supercritical carbon dioxide
Journal Articles

Rotordynamic Characteristics of a Novel Labyrinth Seal With Swirl Brakes at Seal Entrance and Cavity

Wensong Xue, Zhi Fang, Zhigang Li, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2022, 144(5): 051017.
Paper No: GTP-21-1639
https://doi.org/10.1115/1.4053706
Published Online: February 21, 2022
View Article titled, Rotordynamic Characteristics of a Novel Labyrinth Seal With Swirl Brakes at Seal Entrance and Cavity
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Topics: Brakes, Cavities, Damping, Design, Numerical analysis, Rotors, Stiffness, Whirls, Fluids, Pressure
Journal Articles

Making Better Swirl Brakes Using Computational Fluid Dynamics: Performance Enhancement From Geometry Variation

Jing Yang, Luis San Andrés
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2022, 144(2): 021027.
Paper No: GTP-21-1293
https://doi.org/10.1115/1.4051962
Published Online: January 13, 2022
View Article titled, Making Better Swirl Brakes Using Computational Fluid Dynamics: Performance Enhancement From Geometry Variation
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Topics: Brakes, Computational fluid dynamics, Pressure, Rotors, Geometry, Flow (Dynamics), Fluids
Journal Articles

Leakage and Rotordynamic Characteristics for Three Types of Annular Gas Seals Operating in Supercritical CO 2 Turbomachinery

Zhigang Li, Zhuocong Li, Jun Li, Zhenping Feng
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2021, 143(10): 101002.
Paper No: GTP-21-1024
https://doi.org/10.1115/1.4051104
Published Online: June 17, 2021
View Article titled, Leakage and Rotordynamic Characteristics for Three Types of Annular Gas Seals Operating in Supercritical CO 2 Turbomachinery
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Topics: Brakes, Cavities, Dampers, Damping, Fluids, Leakage, Pressure, Rotors, Stiffness, Supercritical carbon dioxide
Journal Articles

On the Effect of Clearance on the Leakage and Cavity Pressures in an Interlocking Labyrinth Seal Operating With and Without Swirl Brakes: Experiments and Predictions

Luis San Andrés, Jing Yang, Rimpei Kawashita
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2021, 143(3): 031003.
Paper No: GTP-20-1433
https://doi.org/10.1115/1.4048777
Published Online: February 8, 2021
View Article titled, On the Effect of Clearance on the Leakage and Cavity Pressures in an Interlocking Labyrinth Seal Operating With and Without Swirl Brakes: Experiments and Predictions
Open the PDF for On the Effect of Clearance on the Leakage and Cavity Pressures in an Interlocking Labyrinth Seal Operating With and Without Swirl Brakes: Experiments and Predictions in another window
Topics: Brakes, Cavities, Clearances (Engineering), Flow (Dynamics), Leakage, Pressure, Rotors
Journal Articles

Study on Altitude Adaptability of a Turbocharged Off-Road Diesel Engine

Fenlian Huang, Jilin Lei, Qianfan Xin
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. November 2020, 142(11): 114501.
Paper No: GTP-20-1037
https://doi.org/10.1115/1.4047932
Published Online: October 29, 2020
View Article titled, Study on Altitude Adaptability of a Turbocharged Off-Road Diesel Engine
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Topics: Combustion, Combustion chambers, Cylinders, Diesel engines, Engines, Fuels, Optimization, Pressure, Roads, Sprays
Journal Articles

Development of Gasoline Direct Injection Engine for Improving Brake Thermal Efficiency Over 44%

Dongwon Jung, Byeongseok Lee, Jinwook Son, Soohyung Woo, Youngnam Kim
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2020, 142(10): 101005.
Paper No: GTP-20-1284
https://doi.org/10.1115/1.4048152
Published Online: September 24, 2020
View Article titled, Development of Gasoline Direct Injection Engine for Improving Brake Thermal Efficiency Over 44%
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Topics: Brakes, Combustion, Compression, Engines, Exhaust gas recirculation, Flow (Dynamics), Ignition, Stability, Stress, Thermal efficiency
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

The Effects of Fluid Preswirl and Swirl Brakes Design on the Performance of Labyrinth Seals

Alexandrina Untaroiu, Hanxiang Jin, Gen Fu, Vahe Hayrapetiau, Kariem Elebiary
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2018, 140(8): 082503.
Paper No: GTP-17-1591
https://doi.org/10.1115/1.4038914
Published Online: April 25, 2018
View Article titled, The Effects of Fluid Preswirl and Swirl Brakes Design on the Performance of Labyrinth Seals
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Topics: Brakes, Computational fluid dynamics, Design, Fluids, Leakage, Simulation
Journal Articles

Energy Balance and Power Loss Pathway Study of a 120 cc Four-Stroke Internal Combustion Engine

Jason R. Blantin, Marc D. Polanka, Joseph K. Ausserer, Paul J. Litke, Jacob A. Baranski
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2018, 140(7): 072803.
Paper No: GTP-17-1534
https://doi.org/10.1115/1.4038881
Published Online: April 24, 2018
View Article titled, Energy Balance and Power Loss Pathway Study of a 120 cc Four-Stroke Internal Combustion Engine
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Topics: Brakes, Combustion, Cooling, Cylinders, Energy budget (Physics), Engines, Exhaust systems, Fuels, Internal combustion engines, Temperature
Journal Articles

Full-Scale Turbofan Demonstration of a Deployable Engine Air-Brake for Drag Management Applications

Parthiv N. Shah, Gordon Pfeiffer, Rory Davis, Thomas Hartley, Zoltán Spakovszky
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2017, 139(11): 111202.
Paper No: GTP-17-1053
https://doi.org/10.1115/1.4037155
Published Online: August 1, 2017
View Article titled, Full-Scale Turbofan Demonstration of a Deployable Engine Air-Brake for Drag Management Applications
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Topics: Aircraft, Design, Drag (Fluid dynamics), Engines, Flow (Dynamics), Noise (Sound), Nozzles, Testing, Thrust, Flight
Journal Articles

Including Housing–Casing Fluid in a Lateral Rotordynamics Analysis on Electric Submersible Pumps

Clay S. Norrbin, Dara W. Childs, Stephen Phillips
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2017, 139(6): 062505.
Paper No: GTP-16-1428
https://doi.org/10.1115/1.4035358
Published Online: February 1, 2017
View Article titled, Including Housing–Casing Fluid in a Lateral Rotordynamics Analysis on Electric Submersible Pumps
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Topics: Brakes, Emulsions, Fluids, Pumps, Rotors, Water, Stability, Vibration, Wear, Well casings
Journal Articles

Direct Torque Feedback for Accurate Engine Torque Delivery and Improved Powertrain Performance

Anwar Alkeilani, Le Yi Wang, Hao Ying
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2016, 138(11): 112801.
Paper No: GTP-16-1051
https://doi.org/10.1115/1.4033257
Published Online: May 3, 2016
View Article titled, Direct Torque Feedback for Accurate Engine Torque Delivery and Improved Powertrain Performance
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Topics: Engines, Torque, Feedback, Brakes
Journal Articles

Rotordynamic Performance of a Negative-Swirl Brake for a Tooth-on-Stator Labyrinth Seal

Dara W. Childs, James E. Mclean, Jr., Min Zhang, Stephen P. Arthur
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2016, 138(6): 062505.
Paper No: GTP-15-1464
https://doi.org/10.1115/1.4031877
Published Online: November 24, 2015
View Article titled, Rotordynamic Performance of a Negative-Swirl Brake for a Tooth-on-Stator Labyrinth Seal
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Topics: Brakes, Pressure, Stators, Rotation, Damping, Flow (Dynamics), Leakage
Journal Articles

Numerical and Experimental Investigation on the Effect of Swirl Brakes on the Labyrinth Seals

Dan Sun, Shuang Wang, Cheng-Wei Fei, Yan-Ting Ai, Ke-Ming Wang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2016, 138(3): 032507.
Paper No: GTP-15-1178
https://doi.org/10.1115/1.4031562
Published Online: October 28, 2015
View Article titled, Numerical and Experimental Investigation on the Effect of Swirl Brakes on the Labyrinth Seals
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Topics: Brakes, Computational fluid dynamics, Cylinders, Leakage, Pressure, Rotors, Stiffness, Flow (Dynamics), Damping, Excitation