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Dung L. Tran
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Journal Articles

Computational Fluid Dynamics Analysis and Experimental Results for the Dynamic Performance of Two Long Smooth Surface Annular Seals Operating With a Liquid in Air Mixture

Jing Yang, Dung L. Tran, Luis San Andrés
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2023, 145(11): 111012.
Paper No: GTP-23-1307
https://doi.org/10.1115/1.4063309
Published Online: September 29, 2023
View Article titled, Computational Fluid Dynamics Analysis and Experimental Results for the Dynamic Performance of Two Long Smooth Surface Annular Seals Operating With a Liquid in Air Mixture
Open the PDF for Computational Fluid Dynamics Analysis and Experimental Results for the Dynamic Performance of Two Long Smooth Surface Annular Seals Operating With a Liquid in Air Mixture in another window
Topics: Computational fluid dynamics, Flow (Dynamics), Stiffness, Damping, Leakage, Clearances (Engineering), Pressure
Proceedings Papers

Computational Fluid Dynamics Analysis and Experimental Results for the Dynamic Performance of Two Long Smooth Surface Annular Seals Operating With a Liquid in Air Mixture

Jing Yang, Dung L. Tran, Luis San Andrés
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A013, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102302
https://doi.org/10.1115/GT2023-102302
View Paper titled, Computational Fluid Dynamics Analysis and Experimental Results for the Dynamic Performance of Two Long Smooth Surface Annular Seals Operating With a Liquid in Air Mixture
Open the PDF for Computational Fluid Dynamics Analysis and Experimental Results for the Dynamic Performance of Two Long Smooth Surface Annular Seals Operating With a Liquid in Air Mixture in another window
Topics: Computational fluid dynamics
Journal Articles

Test Results for the Static and Rotordynamic Characteristics of a Long ( L/D = 0.75) Smooth Seal in Two-Phase (Mainly Gas) Conditions With a 62-Bar Inlet Pressure

Dung L. Tran, Dara W. Childs, Hari Shrestha, Min Zhang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2021, 143(4): 041010.
Paper No: GTP-20-1638
https://doi.org/10.1115/1.4049773
Published Online: February 26, 2021
View Article titled, Test Results for the Static and Rotordynamic Characteristics of a Long ( L/D = 0.75) Smooth Seal in Two-Phase (Mainly Gas) Conditions With a 62-Bar Inlet Pressure
Open the PDF for Test Results for the Static and Rotordynamic Characteristics of a Long ( L/D = 0.75) Smooth Seal in Two-Phase (Mainly Gas) Conditions With a 62-Bar Inlet Pressure in another window
Topics: Damping, Flow (Dynamics), Leakage, Pressure, Stiffness, Computational fluid dynamics, Density, Two-phase flow, Viscosity
Proceedings Papers

Test Results for the Static and Rotordynamic Characteristics of a Long (L/D = 0.75) Smooth Seal in Two-Phase (Mainly Gas) Conditions With a 62-Bar Inlet Pressure

Dung L. Tran, Dara W. Childs, Hari Shrestha, Min Zhang
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A001, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14118
https://doi.org/10.1115/GT2020-14118
View Paper titled, Test Results for the Static and Rotordynamic Characteristics of a Long (L/D = 0.75) Smooth Seal in Two-Phase (Mainly Gas) Conditions With a 62-Bar Inlet Pressure
Open the PDF for Test Results for the Static and Rotordynamic Characteristics of a Long (L/D = 0.75) Smooth Seal in Two-Phase (Mainly Gas) Conditions With a 62-Bar Inlet Pressure in another window
Topics: Pressure, Stiffness, Damping, Flow (Dynamics), Gas turbines, Geometry, Leakage, Multiphase flow, Pistons, Pumps
Proceedings Papers

Effects of Clearance on the Performance of a Labyrinth Seal Under Wet-Gas Conditions

Min Zhang, Dara W. Childs, Dung L. Tran, Hari Shrestha
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A007, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14267
https://doi.org/10.1115/GT2020-14267
View Paper titled, Effects of Clearance on the Performance of a Labyrinth Seal Under Wet-Gas Conditions
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Topics: Clearances (Engineering), Leakage
Proceedings Papers

Experimental and Numerical Rotordynamic Analysis of a 1500 KW Turbocharger

Behzad Zamanian Yazdi, Dung L. Tran, Chinmay Deshpande
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT29A011, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14926
https://doi.org/10.1115/GT2020-14926
View Paper titled, Experimental and Numerical Rotordynamic Analysis of a 1500 KW Turbocharger
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Topics: Turbochargers, Bearings, Rotors, Turbulence, Cycles, Journal bearings, Simulation results, Control systems, Design, Eddies (Fluid dynamics)
Journal Articles

Effects of Clearance on the Performance of a Labyrinth Seal Under Wet-Gas Conditions

Min Zhang, Dara W. Childs, Dung L. Tran, Hari Shresth
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2020, 142(11): 111012.
Paper No: GTP-20-1479
https://doi.org/10.1115/1.4048797
Published Online: October 28, 2020
View Article titled, Effects of Clearance on the Performance of a Labyrinth Seal Under Wet-Gas Conditions
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Topics: Clearances (Engineering), Compressors, Flow (Dynamics), Fluids, Leakage, Pressure, Rotors, Stiffness, Damping, Whirls
Journal Articles

Preswirl and Mixed-Flow (Mainly Liquid) Effects on Rotordynamic Performance of a Long ( L / D  = 0.75) Smooth Seal

Dung L. Tran, Dara W. Childs, Hari Shrestha, Min Zhang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2020, 142(3): 031012.
Paper No: GTP-19-1318
https://doi.org/10.1115/1.4044291
Published Online: January 29, 2020
View Article titled, Preswirl and Mixed-Flow (Mainly Liquid) Effects on Rotordynamic Performance of a Long ( L / D  = 0.75) Smooth Seal
Open the PDF for Preswirl and Mixed-Flow (Mainly Liquid) Effects on Rotordynamic Performance of a Long ( L / D  = 0.75) Smooth Seal in another window
Topics: Damping, Flow (Dynamics), Stiffness, Pressure, Fluids
Journal Articles

A Study on the Leakage and Rotordynamic Coefficients of a Long-Smooth Seal With Laminar-Two-Phase, Mainly-Oil Mixtures

Min Zhang, Dara W. Childs, Dung L. Tran, Hari Shrestha
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2020, 142(1): 011020.
Paper No: GTP-19-1395
https://doi.org/10.1115/1.4044946
Published Online: December 12, 2019
View Article titled, A Study on the Leakage and Rotordynamic Coefficients of a Long-Smooth Seal With Laminar-Two-Phase, Mainly-Oil Mixtures
Open the PDF for A Study on the Leakage and Rotordynamic Coefficients of a Long-Smooth Seal With Laminar-Two-Phase, Mainly-Oil Mixtures in another window
Topics: Flow (Dynamics), Laminar flow, Leakage, Stiffness, Rotors
Proceedings Papers

Preswirl and Mixed-Flow (Mainly-Liquid) Effects on Rotordynamic Performance of a Long (L/D=0.75) Smooth Seal

Dung L. Tran, Dara W. Childs, Hari Shrestha, Min Zhang
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A001, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90004
https://doi.org/10.1115/GT2019-90004
View Paper titled, Preswirl and Mixed-Flow (Mainly-Liquid) Effects on Rotordynamic Performance of a Long (L/D=0.75) Smooth Seal
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Topics: Flow (Dynamics), Stiffness, Damping, Leakage, Pressure, Clearances (Engineering), Excitation, Fluids, Pressure drop, Pumps
Proceedings Papers

A Study on the Leakage and Rotordynamic Coefficients of a Long-Smooth Seal With Laminar-Two-Phase, Mainly-Oil Mixtures

Min Zhang, Dara W. Childs, Dung L. Tran, Hari Shrestha
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A038, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91824
https://doi.org/10.1115/GT2019-91824
View Paper titled, A Study on the Leakage and Rotordynamic Coefficients of a Long-Smooth Seal With Laminar-Two-Phase, Mainly-Oil Mixtures
Open the PDF for A Study on the Leakage and Rotordynamic Coefficients of a Long-Smooth Seal With Laminar-Two-Phase, Mainly-Oil Mixtures in another window
Topics: Leakage, Damping, Stiffness, Flow (Dynamics), Laminar flow, Rotors, Clearances (Engineering), Fluids, Friction, Leakage flows
Proceedings Papers

Experimental Study of the Static and Dynamic Characteristics of a Long (L/D=0.75) Labyrinth Annular Seal Operating Under Two-Phase (Liquid/Gas) Conditions

Hari Shrestha, Dara W. Childs, Dung L. Tran, Min Zhang
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A040, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91907
https://doi.org/10.1115/GT2019-91907
View Paper titled, Experimental Study of the Static and Dynamic Characteristics of a Long (L/D=0.75) Labyrinth Annular Seal Operating Under Two-Phase (Liquid/Gas) Conditions
Open the PDF for Experimental Study of the Static and Dynamic Characteristics of a Long (L/D=0.75) Labyrinth Annular Seal Operating Under Two-Phase (Liquid/Gas) Conditions in another window
Topics: Brakes, Clearances (Engineering), Compressors, Damping, Flow (Dynamics), Leakage, Pressure, Silicones, Stability, Stiffness
Journal Articles

Experimental Study of the Static and Dynamic Characteristics of a Long ( L/D  = 0.75) Labyrinth Annular Seal Operating Under Two-Phase (Liquid/Gas) Conditions

Hari Shrestha, Dara W. Childs, Dung L. Tran, Min Zhang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2019, 141(11): 111002.
Paper No: GTP-19-1319
https://doi.org/10.1115/1.4044309
Published Online: September 16, 2019
View Article titled, Experimental Study of the Static and Dynamic Characteristics of a Long ( L/D  = 0.75) Labyrinth Annular Seal Operating Under Two-Phase (Liquid/Gas) Conditions
Open the PDF for Experimental Study of the Static and Dynamic Characteristics of a Long ( L/D  = 0.75) Labyrinth Annular Seal Operating Under Two-Phase (Liquid/Gas) Conditions in another window
Topics: Compressors, Damping, Flow (Dynamics), Pressure, Rotors, Stiffness, Stators, Leakage, Stability, Silicones
Journal Articles

Experimental Study of the Leakage and Rotordynamic Coefficients of a Long-Smooth Seal With Two-Phase, Mainly Oil Mixtures

Min Zhang, Dara W. Childs, James E. Mclean, Jr., Dung L. Tran, Hari Shrestha
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. April 2019, 141(4): 042201.
Paper No: TRIB-18-1261
https://doi.org/10.1115/1.4042272
Published Online: January 22, 2019
View Article titled, Experimental Study of the Leakage and Rotordynamic Coefficients of a Long-Smooth Seal With Two-Phase, Mainly Oil Mixtures
Open the PDF for Experimental Study of the Leakage and Rotordynamic Coefficients of a Long-Smooth Seal With Two-Phase, Mainly Oil Mixtures in another window
Topics: Flow (Dynamics), Leakage, Rotors, Stiffness, Damping, Turbulence, Reynolds number
Journal Articles

Clearance Effects on Rotordynamic Performance of a Long Smooth Seal With Two-Phase, Mainly-Air Mixtures

Min Zhang, Dara W. Childs, Dung L. Tran, Hari Shrestha
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 012502.
Paper No: GTP-17-1637
https://doi.org/10.1115/1.4040809
Published Online: October 29, 2018
View Article titled, Clearance Effects on Rotordynamic Performance of a Long Smooth Seal With Two-Phase, Mainly-Air Mixtures
Open the PDF for Clearance Effects on Rotordynamic Performance of a Long Smooth Seal With Two-Phase, Mainly-Air Mixtures in another window
Topics: Clearances (Engineering), Compressors, Damping, Excitation, Flow (Dynamics), Fluids, Leakage, Performance, Rotors, Stators
Proceedings Papers

Experimental Study of the Leakage and Rotordynamic Coefficients of a Long Smooth Seal With Two-Phase, Mainly-Oil Mixtures

Min Zhang, Dara W. Childs, James E. Mclean, Jr., Dung L. Tran, Hari Shrestha
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A010, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75328
https://doi.org/10.1115/GT2018-75328
View Paper titled, Experimental Study of the Leakage and Rotordynamic Coefficients of a Long Smooth Seal With Two-Phase, Mainly-Oil Mixtures
Open the PDF for Experimental Study of the Leakage and Rotordynamic Coefficients of a Long Smooth Seal With Two-Phase, Mainly-Oil Mixtures in another window
Topics: Leakage, Flow (Dynamics), Stiffness, Damping, Fluids, Rotors, Bubbles, Clearances (Engineering), Friction, Pressure