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Proceedings Papers

Off-Design Performance Comparison Between Single and Two-Shaft Engines: Part 1 — Fixed Geometry

Th. Nikolaidis, A. Pellegrini, H. I. H. Saravanamuttoo, I. Aslanidou, A. Kalfas, P. Pilidis
Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T17A003, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14500
https://doi.org/10.1115/GT2020-14500
View Paper titled, Off-Design Performance Comparison Between Single and Two-Shaft Engines: Part 1 — Fixed Geometry
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Topics: Design, Engines, Gas turbines, Geometry, Thermal efficiency, Shapes, Compressors, Stress, Cycles, Flow (Dynamics)
Journal Articles

Analyses of the Costs Associated With Very High Turbine Entry Temperatures in Helium Recuperated Gas Turbine Cycles for Generation IV Nuclear Power Plants

A. Gad-Briggs, P. Pilidis, T. Nikolaidis
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. January 2019, 5(1): 011019.
Paper No: NERS-18-1020
https://doi.org/10.1115/1.4041276
Published Online: January 24, 2019
View Article titled, Analyses of the Costs Associated With Very High Turbine Entry Temperatures in Helium Recuperated Gas Turbine Cycles for Generation IV Nuclear Power Plants
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Topics: Compressors, Cooling, Cycles, Helium, Nuclear power stations, Temperature, Turbines, Gas turbines, Pressure, Turbine blades
Journal Articles

Analyses of Long-Term Off-Design Performance Strategy and Operation of a High-Pressure Ratio Intercooled Brayton Helium Gas Turbine Cycle for Generation IV Nuclear Power Plants

A. Gad-Briggs, P. Pilidis, T. Nikolaidis
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. October 2018, 4(4): 041014.
Paper No: NERS-17-1208
https://doi.org/10.1115/1.4040371
Published Online: September 10, 2018
View Article titled, Analyses of Long-Term Off-Design Performance Strategy and Operation of a High-Pressure Ratio Intercooled Brayton Helium Gas Turbine Cycle for Generation IV Nuclear Power Plants
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Topics: Compressors, Cycles, Design, Flow (Dynamics), Helium, Nuclear power stations, Pressure, Temperature, Turbines, High pressure (Physics)
Journal Articles

Analyses of the Control System Strategies and Methodology for Part Power Control of the Simple and Intercooled Recuperated Brayton Helium Gas Turbine Cycles for Generation IV Nuclear Power Plants

A. Gad-Briggs, P. Pilidis, T. Nikolaidis
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. October 2017, 3(4): 041016.
Paper No: NERS-16-1170
https://doi.org/10.1115/1.4036737
Published Online: July 31, 2017
View Article titled, Analyses of the Control System Strategies and Methodology for Part Power Control of the Simple and Intercooled Recuperated Brayton Helium Gas Turbine Cycles for Generation IV Nuclear Power Plants
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Topics: Compressors, Control systems, Cycles, Flow (Dynamics), Helium, Nuclear power stations, Pressure, Stress, Temperature, Turbines
Journal Articles

Analyses of the Load Following Capabilities of Brayton Helium Gas Turbine Cycles for Generation IV Nuclear Power Plants

A. Gad-Briggs, P. Pilidis, T. Nikolaidis
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. October 2017, 3(4): 041017.
Paper No: NERS-17-1003
https://doi.org/10.1115/1.4036983
Published Online: July 31, 2017
View Article titled, Analyses of the Load Following Capabilities of Brayton Helium Gas Turbine Cycles for Generation IV Nuclear Power Plants
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Topics: Cycles, Helium, Nuclear power stations, Stress, Temperature, Design, Thermal energy, Flow (Dynamics), Pressure control, Compressors
Journal Articles

A Review of the Turbine Cooling Fraction for Very High Turbine Entry Temperature Helium Gas Turbine Cycles for Generation IV Reactor Power Plants

A. Gad-Briggs, P. Pilidis, T. Nikolaidis
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. April 2017, 3(2): 021007.
Paper No: NERS-15-1214
https://doi.org/10.1115/1.4035332
Published Online: March 1, 2017
View Article titled, A Review of the Turbine Cooling Fraction for Very High Turbine Entry Temperature Helium Gas Turbine Cycles for Generation IV Reactor Power Plants
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Topics: Cooling, Cycles, Temperature, Turbines, Flow (Dynamics), Pressure, Blades
Journal Articles

Analyses of Simple and Intercooled Recuperated Direct Brayton Helium Gas Turbine Cycles for Generation IV Reactor Power Plants

A. Gad-Briggs, P. Pilidis
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research Papers
ASME J of Nuclear Rad Sci. January 2017, 3(1): 011017.
Paper No: NERS-15-1213
https://doi.org/10.1115/1.4033398
Published Online: December 20, 2016
View Article titled, Analyses of Simple and Intercooled Recuperated Direct Brayton Helium Gas Turbine Cycles for Generation IV Reactor Power Plants
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Topics: Compressors, Cycles, Helium, Pressure, Sensitivity analysis, Temperature, Turbines, Thermal efficiency, Gas turbines
Journal Articles

Analyses of a High Pressure Ratio Intercooled Direct Brayton Helium Gas Turbine Cycle for Generation IV Reactor Power Plants

A. Gad-Briggs, P. Pilidis, T. Nikolaidis
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research Papers
ASME J of Nuclear Rad Sci. January 2017, 3(1): 011021.
Paper No: NERS-16-1029
https://doi.org/10.1115/1.4034479
Published Online: December 20, 2016
View Article titled, Analyses of a High Pressure Ratio Intercooled Direct Brayton Helium Gas Turbine Cycle for Generation IV Reactor Power Plants
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Topics: Cycles, Pressure, Temperature, Compressors, Turbines, Helium
Proceedings Papers

Influence of Design Parameters on the Performance of a Multistage Centrifugal Compressor for Supercritical Carbon Dioxide Applications

B. Monge, D. Sánchez, M. Savill, P. Pilidis, T. Sánchez
Proc. ASME. GT2015, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T36A019, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-44093
https://doi.org/10.1115/GT2015-44093
View Paper titled, Influence of Design Parameters on the Performance of a Multistage Centrifugal Compressor for Supercritical Carbon Dioxide Applications
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Topics: Compressors, Design, Supercritical carbon dioxide, Cycles, Fluids, Bridges (Structures), Heat, Pressure, Shapes, Temperature
Proceedings Papers

A Study of the Prediction of Tip and Seal Clearances and Their Effects in Gas Turbine Transients

P. Pilidis, N. R. L. Maccallum
Proc. ASME. GT1984, Volume 1: Turbomachinery, V001T01A074, June 4–7, 1984
Publisher: American Society of Mechanical Engineers
Paper No: 84-GT-245
https://doi.org/10.1115/84-GT-245
View Paper titled, A Study of the Prediction of Tip and Seal Clearances and Their Effects in Gas Turbine Transients
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Topics: Gas turbines, Transients (Dynamics), Clearances (Engineering), Engines, Compressors, Air flow, Blades, Turbine blades, Turbines
Proceedings Papers

The Effect of Heat Transfer on Gas Turbine Transients

P. Pilidis, N. R. L. MacCallum
Proc. ASME. GT1986, Volume 1: Turbomachinery, V001T01A114, June 8–12, 1986
Publisher: American Society of Mechanical Engineers
Paper No: 86-GT-275
https://doi.org/10.1115/86-GT-275
View Paper titled, The Effect of Heat Transfer on Gas Turbine Transients
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Topics: Gas turbines, Heat transfer, Transients (Dynamics), Boundary layers, Clearances (Engineering), Engines, Flow (Dynamics), Modeling, Temperature effects
Proceedings Papers

Gas Turbine Transient Fuel Scheduling With Compensation for Thermal Effects

N. R. L. MacCallum, P. Pilidis
Proc. ASME. GT1986, Volume 1: Turbomachinery, V001T01A087, June 8–12, 1986
Publisher: American Society of Mechanical Engineers
Paper No: 86-GT-208
https://doi.org/10.1115/86-GT-208
View Paper titled, Gas Turbine Transient Fuel Scheduling With Compensation for Thermal Effects
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Topics: Fuels, Gas turbines, Temperature effects, Transients (Dynamics), Compressors, Engines, Temperature, Airfoils, Blades, Flow (Dynamics)
Proceedings Papers

A General Program for the Prediction of the Transient Performance of Gas Turbines

P. Pilidis, N. R. L. Maccallum
Proc. ASME. GT1985, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A053, March 18–21, 1985
Publisher: American Society of Mechanical Engineers
Paper No: 85-GT-209
https://doi.org/10.1115/85-GT-209
View Paper titled, A General Program for the Prediction of the Transient Performance of Gas Turbines
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Topics: Gas turbines, Transients (Dynamics), Engines, Flow (Dynamics), Temperature effects
Proceedings Papers

The Prediction of Surge Margins During Gas Turbine Transients

N. R. L. Maccallum, P. Pilidis
Proc. ASME. GT1985, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A052, March 18–21, 1985
Publisher: American Society of Mechanical Engineers
Paper No: 85-GT-208
https://doi.org/10.1115/85-GT-208
View Paper titled, The Prediction of Surge Margins During Gas Turbine Transients
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Topics: Gas turbines, Surges, Transients (Dynamics), Engines, Temperature effects, Boundary layers, Clearances (Engineering), Compressors, Flow (Dynamics), Trajectories (Physics)
Proceedings Papers

Application of Gas Path Analysis to Compressor Diagnosis of an Industrial Gas Turbine Using Field Data

J. Blinstrub, Y. G. Li, M. Newby, Q. Zhou, G. Stigant, P. Pilidis, H. Hönen
Proc. ASME. GT2014, Volume 3A: Coal, Biomass and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration, V03AT07A008, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25330
https://doi.org/10.1115/GT2014-25330
View Paper titled, Application of Gas Path Analysis to Compressor Diagnosis of an Industrial Gas Turbine Using Field Data
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Topics: Compressors, Industrial gases, Turbines, Maintenance, Engines, Gas turbines, Condition monitoring, Engineers, Life cycle costing, Uncertainty
Proceedings Papers

A Design Strategy for Supercritical CO2 Compressors

B. Monje, D. Sánchez, M. Savill, P. Pilidis, T. Sánchez
Proc. ASME. GT2014, Volume 3B: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Supercritical CO2 Power Cycles; Wind Energy, V03BT36A003, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25151
https://doi.org/10.1115/GT2014-25151
View Paper titled, A Design Strategy for Supercritical CO2 Compressors
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Topics: Compressors, Design, Supercritical carbon dioxide, Computational fluid dynamics, Cycles, Diffusion processes, System efficiency, Thermal energy, Thermodynamic power cycles, Turbomachinery
Proceedings Papers

Control Optimization of the Transient Performance of the Selective Bleed Variable Cycle Engine During Mode Transition

U. T. J. Grönstedt, P. Pilidis
Proc. ASME. GT2000, Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V002T04A001, May 8–11, 2000
Publisher: American Society of Mechanical Engineers
Paper No: 2000-GT-0148
https://doi.org/10.1115/2000-GT-0148
View Paper titled, Control Optimization of the Transient Performance of the Selective Bleed Variable Cycle Engine During Mode Transition
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Topics: Cycles, Engines, Optimization, Transients (Dynamics), Actuators, Aircraft, Algebra, Compressors, Flow (Dynamics), Fuels
Proceedings Papers

Degradation Effects on Combined Cycle Power Plant Performance: Part 2 — Steam Turbine Cycle Component Degradation Effects

A. Zwebek, P. Pilidis
Proc. ASME. GT2001, Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V002T04A023, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0389
https://doi.org/10.1115/2001-GT-0389
View Paper titled, Degradation Effects on Combined Cycle Power Plant Performance: Part 2 — Steam Turbine Cycle Component Degradation Effects
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Topics: Combined cycle power stations, Cycles, Steam turbines, Heat recovery steam generators, Ash, Combined cycle gas turbines, Condensers (steam plant), Design, Erosion, FORTRAN
Proceedings Papers

Analysis of a 115MW, 3-Shaft, Helium Brayton Cycle Using Nuclear Heat Source

K. Pradeep Kumar, A. Tourlidakis, P. Pilidis
Proc. ASME. GT2001, Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V002T04A028, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0523
https://doi.org/10.1115/2001-GT-0523
View Paper titled, Analysis of a 115MW, 3-Shaft, Helium Brayton Cycle Using Nuclear Heat Source
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Topics: Brayton cycle, Heat, Helium, Cycles, Turbines, Compressors, Computer software, Computers, Flow (Dynamics), Guide vanes
Proceedings Papers

Degradation Effects on Combined Cycle Power Plant Performance: Part 1 — Gas Turbine Cycle Component Degradation Effects

A. Zwebek, P. Pilidis
Proc. ASME. GT2001, Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V002T04A022, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0388
https://doi.org/10.1115/2001-GT-0388
View Paper titled, Degradation Effects on Combined Cycle Power Plant Performance: Part 1 — Gas Turbine Cycle Component Degradation Effects
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Topics: Combined cycle power stations, Cycles, Gas turbines, Steam, Combined cycle gas turbines, Computer software, Design, Exhaust systems, FORTRAN, Plant design