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Journal Articles

Dynamic Characterization of an Adaptive Film-Riding Seal

Accepted Manuscript
Josh Bird, Patrick S Keogh, Carl M. Sangan, Aaron Bowsher, Peter Crudgington, James Scobie
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1368
https://doi.org/10.1115/1.4063549
Published Online: September 29, 2023
View Article titled, Dynamic Characterization of an Adaptive Film-Riding Seal
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Topics: Clearances (Engineering), Computer simulation, Damping, Design, Displacement, Eddies (Fluid dynamics), Eddy currents (Electricity), Fluid films, Fluids, High pressure (Physics)
Journal Articles

Inter-Stage Pressure Drop of Multi-Stage Brush Seal With Differentiated Structure

Huan Zhao, Yelong Li, Dan Sun, Yu Li, Shuaifang Wen, Jisheng Sun
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2023, 145(7): 071001.
Paper No: GTP-22-1466
https://doi.org/10.1115/1.4056793
Published Online: February 27, 2023
View Article titled, Inter-Stage Pressure Drop of Multi-Stage Brush Seal With Differentiated Structure
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Topics: Flow (Dynamics), Pressure, Pressure drop, Air flow
Journal Articles

Characterization of a Lightly Loaded Underfloor Catalyzed Gasoline Particulate Filter in a Turbocharged Light Duty Truck

Stanislav V. Bohac, Scott Ludlam
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2023, 145(2): 021024.
Paper No: GTP-22-1515
https://doi.org/10.1115/1.4056047
Published Online: November 29, 2022
View Article titled, Characterization of a Lightly Loaded Underfloor Catalyzed Gasoline Particulate Filter in a Turbocharged Light Duty Truck
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Topics: Cycles, Emissions, Filters, Gasoline, Particulate matter, Soot, Temperature, Carbon, Vehicles, Light trucks
Journal Articles

Design of an Additively Manufactured Recuperator With 800 °C Inlet Temperature for sCO 2 Power Cycle Application

Michael Marshall, Meysam Akbari, Ji-Cheng Zhao, Kevin Hoopes
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2023, 145(2): 021012.
Paper No: GTP-22-1365
https://doi.org/10.1115/1.4055723
Published Online: November 28, 2022
View Article titled, Design of an Additively Manufactured Recuperator With 800 °C Inlet Temperature for sCO 2 Power Cycle Application
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Topics: Design, Heat exchangers, Temperature, Heat transfer, Lasers, Flow (Dynamics), Pressure, Pressure drop, Additive manufacturing, Thermodynamic power cycles
Journal Articles

Circumferentially Grooved Seal Flow Field Analysis Based on Effective Film Thickness to Improve Bulk Flow Models

Nathaniel Gibbons, Cori Watson-Kassa, Christopher Goyne, Minhui He
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2022, 144(11): 111021.
Paper No: GTP-22-1349
https://doi.org/10.1115/1.4055412
Published Online: September 28, 2022
View Article titled, Circumferentially Grooved Seal Flow Field Analysis Based on Effective Film Thickness to Improve Bulk Flow Models
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Topics: Film thickness, Flow (Dynamics), Rotors, Shear stress, Pressure drop, Pressure, Leakage
Journal Articles

Azimuthal Instabilities of an Annular Combustor With Different Swirling Injectors

Preethi Rajendram Soundararajan, Daniel Durox, Antoine Renaud, Sébastien Candel
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2022, 144(11): 111018.
Paper No: GTP-22-1357
https://doi.org/10.1115/1.4055450
Published Online: September 23, 2022
View Article titled, Azimuthal Instabilities of an Annular Combustor With Different Swirling Injectors
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Topics: Combustion chambers, Ejectors, Flames, Sprays, Pressure drop, Stability, Swirling flow
Journal Articles

Investigation of Gas Turbine Internal Cooling Using Supercritical CO 2 —Effect of Surface Roughness and Channel Aspect Ratio

Arnab Roy, Matthew Searle, Sridharan Ramesh, Douglas Straub
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2022, 144(11): 111019.
Paper No: GTP-22-1358
https://doi.org/10.1115/1.4055497
Published Online: September 23, 2022
View Article titled, Investigation of Gas Turbine Internal Cooling Using Supercritical CO 2 —Effect of Surface Roughness and Channel Aspect Ratio
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Topics: Computational fluid dynamics, Cooling, Flow (Dynamics), Heat transfer, Reynolds number, Surface roughness, Friction, Simulation, Gas turbines, Sands
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
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

Experimental and Numerical Investigations on the Leakage Flow Characteristics of Helical-Labyrinth-Brush Seals

Yuanqiao Zhang, Jun Li, Dengqian Ma, Yuan He, Jingjin Ji, Bo Sun, Zhigang Li, Xin Yan
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2021, 143(4): 041023.
Paper No: GTP-20-1077
https://doi.org/10.1115/1.4048842
Published Online: March 10, 2021
View Article titled, Experimental and Numerical Investigations on the Leakage Flow Characteristics of Helical-Labyrinth-Brush Seals
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Topics: Cavities, Clearances (Engineering), Computational fluid dynamics, Flow (Dynamics), Leakage, Leakage flows, Porous materials, Pressure, Rotors, Pressure drop
Journal Articles

Experimental Investigations of Superheated and Supercritical Injections of Liquid Fuels

Zhiyao Yin, Peter Kutne, Jochen Eichhorn, Wolfgang Meier
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2021, 143(4): 041016.
Paper No: GTP-20-1719
https://doi.org/10.1115/1.4049863
Published Online: February 26, 2021
View Article titled, Experimental Investigations of Superheated and Supercritical Injections of Liquid Fuels
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Topics: Fuels, Nozzles, Pressure, Superheating, Temperature, Sprays, Pressure drop
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
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

Oil Brush Seals in Turbomachinery: Flow Analyses and Closed-Form Solutions

Ertuğrul Tolga Duran
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2020, 142(10): 101001.
Paper No: GTP-20-1134
https://doi.org/10.1115/1.4048327
Published Online: September 23, 2020
View Article titled, Oil Brush Seals in Turbomachinery: Flow Analyses and Closed-Form Solutions
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Topics: Clearances (Engineering), Flow (Dynamics), Leakage, Pressure, Pressure drop, Rotors, Temperature, Turbomachinery, Viscosity, Heating
Journal Articles

A Comparison of Static and Rotordynamic Characteristics for Two Types of Liquid Annular Seals With Parallelly Grooved Stator/Rotor

Zhigang Li, Zhi Fang, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2020, 142(9): 091012.
Paper No: GTP-20-1025
https://doi.org/10.1115/1.4048144
Published Online: August 31, 2020
View Article titled, A Comparison of Static and Rotordynamic Characteristics for Two Types of Liquid Annular Seals With Parallelly Grooved Stator/Rotor
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Topics: Damping, Pressure drop, Rotors, Stiffness, Whirls, Leakage flows, Fluids, Stators, Transients (Dynamics), Drag (Fluid dynamics)
Journal Articles

Large Eddy Simulation and Experimental Analysis of Combustion Dynamics in a Gas Turbine Burner

Daniel Moëll, Andreas Lantz, Karl Bengtson, Daniel Lörstad, Annika Lindholm, Xue-Song Bai
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2019, 141(7): 071015.
Paper No: GTP-18-1448
https://doi.org/10.1115/1.4042473
Published Online: February 11, 2019
View Article titled, Large Eddy Simulation and Experimental Analysis of Combustion Dynamics in a Gas Turbine Burner
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Topics: Acoustics, Combustion, Combustion chambers, Dynamics (Mechanics), Flames, Flow (Dynamics), Fluctuations (Physics), Gas turbines, Large eddy simulation, Pressure
Journal Articles

On the Influence of the Entrance Section on the Rotordynamic Performance of a Pump Seal With Uniform Clearance: A Sharp Edge Versus A Round Inlet

Jing Yang, Luis San Andrés
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2019, 141(3): 031029.
Paper No: GTP-18-1343
https://doi.org/10.1115/1.4040742
Published Online: December 4, 2018
View Article titled, On the Influence of the Entrance Section on the Rotordynamic Performance of a Pump Seal With Uniform Clearance: A Sharp Edge Versus A Round Inlet
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Topics: Clearances (Engineering), Computational fluid dynamics, Corners (Structural elements), Flow (Dynamics), Leakage, Pressure, Rotors, Pressure drop, Stiffness
Journal Articles

Experimental Investigation of an Inverted Brayton Cycle for Exhaust Gas Energy Recovery

Ian Kennedy, Zhihang Chen, Bob Ceen, Simon Jones, Colin D. Copeland
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2019, 141(3): 032301.
Paper No: GTP-18-1476
https://doi.org/10.1115/1.4041109
Published Online: October 4, 2018
View Article titled, Experimental Investigation of an Inverted Brayton Cycle for Exhaust Gas Energy Recovery
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Topics: Brayton cycle, Compressors, Temperature, Turbines, Pressure, Exhaust systems, Turbomachinery, Heat transfer, Heat exchangers, Pressure drop
Journal Articles

Theoretical Analysis of Brush Seals Leakage Using Local Computational Fluid Dynamics Estimated Permeability Laws

Lilas Deville, Mihai Arghir
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 062803.
Paper No: GTP-17-1095
https://doi.org/10.1115/1.4038469
Published Online: February 13, 2018
View Article titled, Theoretical Analysis of Brush Seals Leakage Using Local Computational Fluid Dynamics Estimated Permeability Laws
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Topics: Computational fluid dynamics, Deformation, Flow (Dynamics), Permeability, Porosity, Porous materials, Pressure drop, Rotors, Pressure, Reynolds number
Journal Articles

Nonuniform Jet Array Impingement on a Curved Surface

Jahed Hossain, John Harrington, Wenping Wang, Jayanta Kapat, Steven Thorpe, Michael Maurer
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2018, 140(5): 051902.
Paper No: GTP-17-1174
https://doi.org/10.1115/1.4038023
Published Online: December 19, 2017
View Article titled, Nonuniform Jet Array Impingement on a Curved Surface
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Topics: Flow (Dynamics), Heat transfer, Jets, Pressure drop, Reynolds number, Pressure, Temperature
Journal Articles

Detailed Study on Stiffness and Load Characteristics of Film-Riding Groove Types Using Design of Experiments

S. M. Tibos, C. Georgakis, K. Harvey, J. A. Teixeira
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2017, 139(9): 092501.
Paper No: GTP-16-1192
https://doi.org/10.1115/1.4036058
Published Online: April 11, 2017
View Article titled, Detailed Study on Stiffness and Load Characteristics of Film-Riding Groove Types Using Design of Experiments
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Topics: Design, Experimental design, Stiffness, Stress, Pressure, Pressure drop, Fluids
Journal Articles

Experimental Analysis of Sudden Pressure Increase Phenomenon by Real-Time Internal Observation of Diesel Particulate Filter

Rui Fukui, Yuki Okamoto, Masayuki Nakao
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2016, 138(10): 102803.
Paper No: GTP-16-1036
https://doi.org/10.1115/1.4033061
Published Online: April 12, 2016
View Article titled, Experimental Analysis of Sudden Pressure Increase Phenomenon by Real-Time Internal Observation of Diesel Particulate Filter
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Topics: Collapse, Engines, Exhaust systems, Pressure, Pressure drop, Visualization, Diesel, Filters, Particulate matter, Glass