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Proceedings Papers

A Numerical Study of an Electrically Assisted Boosting System for Turbocharged Diesel Engines

Yifan Men, Jason B. Martz, Eric Curtis, Guoming G. Zhu
Proc. ASME. DSCC2019, Volume 2: Modeling and Control of Engine and Aftertreatment Systems; Modeling and Control of IC Engines and Aftertreatment Systems; Modeling and Validation; Motion Planning and Tracking Control; Multi-Agent and Networked Systems; Renewable and Smart Energy Systems; Thermal Energy Systems; Uncertain Systems and Robustness; Unmanned Ground and Aerial Vehicles; Vehicle Dynamics and Stability; Vibrations: Modeling, Analysis, and Control, V002T12A003, October 8–11, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2019-9039
https://doi.org/10.1115/DSCC2019-9039
View Paper titled, A Numerical Study of an Electrically Assisted Boosting System for Turbocharged Diesel Engines
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Topics: Diesel engines, Engines, Torque, Transients (Dynamics), Turbochargers, Corporate average fuel economy, Fuel efficiency, Turbines, Turbocharged engines, Emissions
Journal Articles

Regenerative Hydraulic Assisted Turbocharger

Tao Zeng, Devesh Upadhyay, Harold Sun, Eric Curtis, Guoming G. Zhu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2018, 140(10): 102602.
Paper No: GTP-17-1455
https://doi.org/10.1115/1.4039937
Published Online: June 25, 2018
View Article titled, Regenerative Hydraulic Assisted Turbocharger
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Topics: Engines, Simulation, Transients (Dynamics), Turbines, Turbochargers, Vehicles, Cycles, Fuels, Design, Hydraulic turbines
Journal Articles

Design and Analysis of a Novel Split Sliding Variable Nozzle for Turbocharger Turbine

Liangjun Hu, Harold Sun, James Yi, Eric Curtis, Jizhong Zhang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2018, 140(5): 051006.
Paper No: TURBO-17-1205
https://doi.org/10.1115/1.4038878
Published Online: April 6, 2018
View Article titled, Design and Analysis of a Novel Split Sliding Variable Nozzle for Turbocharger Turbine
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Topics: Design, Flow (Dynamics), Nozzles, Turbines, Computational fluid dynamics, Clearances (Engineering), Rotors, Leakage flows, Turbochargers
Proceedings Papers

Design and Analysis of a Novel Split Sliding Variable Nozzle for Turbocharger Turbine

Leon Hu, Harold Sun, James Yi, Eric Curtis, Jizhong Zhang
Proc. ASME. GT2017, Volume 2C: Turbomachinery, V02CT44A025, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64419
https://doi.org/10.1115/GT2017-64419
View Paper titled, Design and Analysis of a Novel Split Sliding Variable Nozzle for Turbocharger Turbine
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Topics: Design, Nozzles, Turbines, Turbochargers, Flow (Dynamics), Leakage flows, Clearances (Engineering), Engines, Geometry, Pressure
Proceedings Papers

Regenerative Hydraulic Assisted Turbocharger

Tao Zeng, Devesh Upadhyay, Harold Sun, Eric Curtis, Guoming G. Zhu
Proc. ASME. GT2017, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A031, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64927
https://doi.org/10.1115/GT2017-64927
View Paper titled, Regenerative Hydraulic Assisted Turbocharger
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Topics: Turbochargers, Engines, Corporate average fuel economy, Fuel efficiency, Engineering simulation, Simulation, Cycles, Design, Torque, Transients (Dynamics)
Journal Articles

Secondary Flow Control in Low Aspect Ratio Vanes Using Splitters

Christopher J. Clark, Graham Pullan, Eric Curtis, Frederic Goenaga
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. September 2017, 139(9): 091003.
Paper No: TURBO-16-1304
https://doi.org/10.1115/1.4036190
Published Online: April 11, 2017
View Article titled, Secondary Flow Control in Low Aspect Ratio Vanes Using Splitters
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Topics: Boundary layers, Design, Flow (Dynamics), Kinetic energy, Nozzle guide vanes, Pressure, Turbines, Vortices, Geometry, Chords (Trusses)
Proceedings Papers

Numerical Investigation of a Novel Approach for Mitigation of Forced Response of a Variable Geometry Turbine During Exhaust Braking Mode

Ben Zhao, Leon Hu, Harold Sun, Ce Yang, Xin Shi, James Yi, Eric Curtis, Abraham Engeda
Proc. ASME. GT2016, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T23A005, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56342
https://doi.org/10.1115/GT2016-56342
View Paper titled, Numerical Investigation of a Novel Approach for Mitigation of Forced Response of a Variable Geometry Turbine During Exhaust Braking Mode
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Topics: Braking, Exhaust systems, Geometry, Turbines, Shock waves, Nozzles, Design, Stress, Turbine blades, Automotive industry
Proceedings Papers

Secondary Flow Control in Low Aspect Ratio Vanes Using Splitters

Christopher Clark, Graham Pullan, Eric Curtis, Frederic Goenaga
Proc. ASME. GT2016, Volume 2B: Turbomachinery, V02BT38A023, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56625
https://doi.org/10.1115/GT2016-56625
View Paper titled, Secondary Flow Control in Low Aspect Ratio Vanes Using Splitters
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Topics: Annulus, Boundary layers, Computation, Design, Engines, Flow (Dynamics), Flow control, Geometry, Kinetic energy, Pareto optimization
Proceedings Papers

An Engine System Approach to Improve Turbocharger Fatigue Life

Harold Sun, Liangjun Hu, Jizhong Zhang, Waheed Alashe, Dave Hanna, Eric Curtis, James Yi
Proc. ASME. GT2014, Volume 1B: Marine; Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V01BT24A014, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25999
https://doi.org/10.1115/GT2014-25999
View Paper titled, An Engine System Approach to Improve Turbocharger Fatigue Life
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Topics: Engines, Fatigue life, Turbochargers, Resonance, Risk, Turbines, Air pollution control, Automotive industry, Calibration, Computer simulation
Journal Articles

Steady State Engine Test Demonstration of Performance Improvement With an Advanced Turbocharger

Harold Sun, Dave Hanna, Liangjun Hu, Eric Curtis, James Yi, Jimi Tjong
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2014, 136(7): 072601.
Paper No: GTP-14-1017
https://doi.org/10.1115/1.4026611
Published Online: February 20, 2014
View Article titled, Steady State Engine Test Demonstration of Performance Improvement With an Advanced Turbocharger
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Topics: Compressors, Engines, Flow (Dynamics), Steady state, Turbines, Turbochargers, Design
Proceedings Papers

Steady State Engine Test Demonstration of Performance Improvement With an Advanced Turbocharger

Harold Sun, Dave Hanna, Liangjun Hu, Eric Curtis, James Yi, Jimi Tjong
Proc. ASME. GT2013, Volume 5A: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V05AT23A006, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94286
https://doi.org/10.1115/GT2013-94286
View Paper titled, Steady State Engine Test Demonstration of Performance Improvement With an Advanced Turbocharger
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Topics: Engines, Steady state, Turbochargers, Flow (Dynamics), Turbines, Compressors, Design, Dynamometers, Exhaust gas recirculation, Stress
Journal Articles

The Effect of Clearance on Shrouded and Unshrouded Turbines at Two Levels of Reaction

Sungho Yoon, Eric Curtis, John Denton, John Longley
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. February 2014, 136(2): 021013.
Paper No: TURBO-13-1022
https://doi.org/10.1115/1.4023942
Published Online: September 26, 2013
View Article titled, The Effect of Clearance on Shrouded and Unshrouded Turbines at Two Levels of Reaction
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Topics: Clearances (Engineering), Leakage, Turbines, Flow (Dynamics), Rotors
Journal Articles

Improving Intermediate Pressure Turbine Performance by Using a Nonorthogonal Stator

Sungho Yoon, John Denton, Eric Curtis, John Longley, Graham Pullan
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. February 2014, 136(2): 021012.
Paper No: TURBO-13-1015
https://doi.org/10.1115/1.4023941
Published Online: September 26, 2013
View Article titled, Improving Intermediate Pressure Turbine Performance by Using a Nonorthogonal Stator
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Topics: Stators, Turbines, Design, Pressure, Rotors, Flow (Dynamics)
Proceedings Papers

The Effect of Clearance on Shrouded and Unshrouded Turbines at Two Levels of Reaction

Sungho Yoon, Eric Curtis, John Denton, John Longley
Proc. ASME. GT2010, Volume 7: Turbomachinery, Parts A, B, and C, 1231-1241, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22541
https://doi.org/10.1115/GT2010-22541
View Paper titled, The Effect of Clearance on Shrouded and Unshrouded Turbines at Two Levels of Reaction
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Topics: Clearances (Engineering), Turbines, Leakage, Flow (Dynamics), Rotors, Kinetic energy, Physics
Proceedings Papers

Improving Intermediate Pressure Turbine Performance by Using a Non-Orthogonal Stator

Sungho Yoon, John Denton, Eric Curtis, John Longley, Graham Pullan
Proc. ASME. GT2009, Volume 7: Turbomachinery, Parts A and B, 895-904, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-59415
https://doi.org/10.1115/GT2009-59415
View Paper titled, Improving Intermediate Pressure Turbine Performance by Using a Non-Orthogonal Stator
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Topics: Pressure, Stators, Turbines, Rotors, Flow (Dynamics), Boundary layers, Design, Diffusion (Physics), Ducts, Mach number
Proceedings Papers

Improving the Performance of a Turbine With Low Aspect Ratio Stators by Aft-Loading

Graham Pullan, John Denton, Eric Curtis
Proc. ASME. GT2005, Volume 6: Turbo Expo 2005, Parts A and B, 579-589, June 6–9, 2005
Publisher: American Society of Mechanical Engineers
Paper No: GT2005-68548
https://doi.org/10.1115/GT2005-68548
View Paper titled, Improving the Performance of a Turbine With Low Aspect Ratio Stators by Aft-Loading
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Topics: Stators, Turbines, Nozzle guide vanes, Flow (Dynamics), Vortices, Blades, Computational fluid dynamics, Computer simulation, Engineering design processes, Entropy
Proceedings Papers

The Interaction of Turbine Inter-Platform Leakage Flow With the Mainstream Flow

Kevin Reid, John Denton, Graham Pullan, Eric Curtis, John Longley
Proc. ASME. GT2005, Volume 6: Turbo Expo 2005, Parts A and B, 429-437, June 6–9, 2005
Publisher: American Society of Mechanical Engineers
Paper No: GT2005-68151
https://doi.org/10.1115/GT2005-68151
View Paper titled, The Interaction of Turbine Inter-Platform Leakage Flow With the Mainstream Flow
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Topics: Flow (Dynamics), Leakage flows, Turbines, Leakage, Nozzle guide vanes, Aircraft engines, Chords (Trusses), Engineering simulation, Physics, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

The Effect of Stator-Rotor Hub Sealing Flow on the Mainstream Aerodynamics of a Turbine

Kevin Reid, John Denton, Graham Pullan, Eric Curtis, John Longley
Proc. ASME. GT2006, Volume 6: Turbomachinery, Parts A and B, 789-798, May 8–11, 2006
Publisher: American Society of Mechanical Engineers
Paper No: GT2006-90838
https://doi.org/10.1115/GT2006-90838
View Paper titled, The Effect of Stator-Rotor Hub Sealing Flow on the Mainstream Aerodynamics of a Turbine
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Topics: Aerodynamics, Flow (Dynamics), Rotors, Sealing (Process), Stators, Turbines, Sealants, Engineering simulation, Entropy, Fluids
Proceedings Papers

Reducing the Perfomance Penalty Due to Turbine Inter-Platform Gaps

Kevin Reid, John Denton, Graham Pullan, Eric Curtis, John Longley
Proc. ASME. GT2006, Volume 6: Turbomachinery, Parts A and B, 799-808, May 8–11, 2006
Publisher: American Society of Mechanical Engineers
Paper No: GT2006-90839
https://doi.org/10.1115/GT2006-90839
View Paper titled, Reducing the Perfomance Penalty Due to Turbine Inter-Platform Gaps
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Topics: Turbines, Design, Aerodynamics, Aircraft engines, Chords (Trusses), Leakage flows, Nozzle guide vanes
Journal Articles

The Interaction of Turbine Inter-Platform Leakage Flow With the Mainstream Flow

Kevin Reid, John Denton, Graham Pullan, Eric Curtis, John Longley
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2007, 129(2): 303–310.
https://doi.org/10.1115/1.2162592
Published Online: February 1, 2005
View Article titled, The Interaction of Turbine Inter-Platform Leakage Flow With the Mainstream Flow
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Topics: Annulus, Computational fluid dynamics, Flow (Dynamics), Leakage, Leakage flows, Nozzle guide vanes, Turbines, Blades