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Proceedings Papers

Characterization of Windshield Effectiveness in Improving Air Cooled Condenser Performance Under High Winds and its Impact on Steam Turbine Power Output

Cosimo Bianchini, Riccardo Da Soghe, Lorenzo Giannini, Andrew Gardner, Jamie Wilde
Proc. ASME. GT2024, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T10A003, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121702
https://doi.org/10.1115/GT2024-121702
View Paper titled, Characterization of Windshield Effectiveness in Improving Air Cooled Condenser Performance Under High Winds and its Impact on Steam Turbine Power Output
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Topics: Condensers (steam plant), Steam turbines, Wind, Computational fluid dynamics, Steam, Blades, Cooling, Cycles, Fluctuations (Physics), Heat transfer
Proceedings Papers

Condenser Retrofit in Leibstadt Nuclear Power Plant (BWR) - Far Beyond a Standard Modular Solution

Hartwig Wolf, Arthur Wettstein, Robert Faltermeier, Peter Graf, Daniel Schupp
Proc. ASME. GT2023, Volume 10: Steam Turbine, V010T20A012, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102578
https://doi.org/10.1115/GT2023-102578
View Paper titled, Condenser Retrofit in Leibstadt Nuclear Power Plant (BWR) - Far Beyond a Standard Modular Solution
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Topics: Boiling water reactors, Condensers (steam plant), Nuclear power stations, Retrofitting
Proceedings Papers

Assessment of Part-Load Operation Strategies of Supercritical Power Cycles Using Carbon Dioxide Mixtures in CSP Plants, Including Air-Cooled Condenser Optimisation

Pablo Rodríguez-de Arriba, Francesco Crespi, David Sánchez Martínez, Lourdes García Rodríguez
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A026, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103665
https://doi.org/10.1115/GT2023-103665
View Paper titled, Assessment of Part-Load Operation Strategies of Supercritical Power Cycles Using Carbon Dioxide Mixtures in CSP Plants, Including Air-Cooled Condenser Optimisation
Open the PDF for Assessment of Part-Load Operation Strategies of Supercritical Power Cycles Using Carbon Dioxide Mixtures in CSP Plants, Including Air-Cooled Condenser Optimisation in another window
Topics: Carbon dioxide, Condensers (steam plant), Optimization, Stress, Thermodynamic power cycles, Temperature, Design, Turbines, Fluids, Heat transfer
Proceedings Papers

Characterization of ACC Losses Due to Wind and Design of Optimal Wind-Screens

Cosimo Bianchini, Riccardo Da Soghe, Lorenzo Giannini, Lorenzo Mazzei, Andrew Gardner, Jamie Wilde
Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T10A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104135
https://doi.org/10.1115/GT2023-104135
View Paper titled, Characterization of ACC Losses Due to Wind and Design of Optimal Wind-Screens
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Topics: Design, Wind, Cooling, Blades, Fans, Fluids, Heat exchangers, Wind velocity, Computation, Computational fluid dynamics
Proceedings Papers

Design of an Air-Cooled Condenser for CO2-Based Mixtures: Model Development, Validation and Heat Exchange Gain with Internal Microfins

Viktoria Illyés, Ettore Morosini, Michele Doninelli, Pierre-Luc David, Xavier Guerif, Andreas Werner, Gioele Di Marcoberardino, Giampaolo Manzolini
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A016, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82438
https://doi.org/10.1115/GT2022-82438
View Paper titled, Design of an Air-Cooled Condenser for CO2-Based Mixtures: Model Development, Validation and Heat Exchange Gain with Internal Microfins
Open the PDF for Design of an Air-Cooled Condenser for CO2-Based Mixtures: Model Development, Validation and Heat Exchange Gain with Internal Microfins in another window
Topics: Carbon dioxide, Condensers (steam plant), Design, Heat, Heat exchangers, Model development
Proceedings Papers

Tip Vortex Effects on Air-Cooled Condenser Axial Flow Fan Performance

Johannes P. Pretorius, Sybrand J. Van Der Spuy, Martin Strümpfer
Proc. ASME. GT2022, Volume 5: Education; Electric Power; Fans and Blowers, V005T10A011, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82283
https://doi.org/10.1115/GT2022-82283
View Paper titled, Tip Vortex Effects on Air-Cooled Condenser Axial Flow Fan Performance
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Topics: Axial flow, Condensers (steam plant), Wake turbulence
Proceedings Papers

Preliminary Evaluation of the 24 Ft. Diameter Fan Performance In the MinWaterCSP Large Cooling Systems Test Facility

S. J. van der Spuy, D. N. J. Els, L. Tieghi, G. Delibra, A. Corsini, F. G. Louw, A. Zapke, C. J. Meyer
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T10A005, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59130
https://doi.org/10.1115/GT2021-59130
View Paper titled, Preliminary Evaluation of the 24 Ft. Diameter Fan Performance In the MinWaterCSP Large Cooling Systems Test Facility
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Topics: Blades, Cooling systems, Pressure, Test facilities, Computational fluid dynamics, Rotors, Actuators, Axial flow, Concentrating solar power, Condensers (steam plant)
Proceedings Papers

Effect of Tip Vortex Reduction on Air-Cooled Condenser Axial Flow Fan Performance: An Experimental Investigation

J. P. Pretorius, J. A. Erasmus
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T10A003, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58735
https://doi.org/10.1115/GT2021-58735
View Paper titled, Effect of Tip Vortex Reduction on Air-Cooled Condenser Axial Flow Fan Performance: An Experimental Investigation
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Topics: Axial flow, Condensers (steam plant), Wake turbulence
Proceedings Papers

Design and Validation of a Large Steam Turbine End-Stage Blade to Meet Current and Future Market Demands

Bertold Lübbe, Jens Aschenbruck, Oliver Pütz, Mira Theidel
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A014, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59315
https://doi.org/10.1115/GT2021-59315
View Paper titled, Design and Validation of a Large Steam Turbine End-Stage Blade to Meet Current and Future Market Demands
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Topics: Blades, Design, Steam turbines, Stress, Steel, Vibration, Condensers (steam plant), Exhaust systems, Pressure, Strain gages
Proceedings Papers

Thermodynamic Analysis of a Novel Ammonia-Water Cogeneration System for Maritime Diesel Engines

Ziyang Cheng, Yaxiong Wang, Qingxuan Sun, Jiangfeng Wang, Pan Zhao, Yiping Dai
Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T17A007, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15962
https://doi.org/10.1115/GT2020-15962
View Paper titled, Thermodynamic Analysis of a Novel Ammonia-Water Cogeneration System for Maritime Diesel Engines
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Topics: Combined heat and power, Diesel engines, Kalina cycle, Organic Rankine cycle, Water, Temperature, Thermal efficiency, Cooling, Fluids, Refrigeration
Proceedings Papers

Blade Surface Pressure Measurements on a Low Pressure Rise Axial Flow Fan

Johannes Rohwer, Sybrand J. van der Spuy, Theodor W. von Backström, Francois G. Louw
Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T10A001, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14204
https://doi.org/10.1115/GT2020-14204
View Paper titled, Blade Surface Pressure Measurements on a Low Pressure Rise Axial Flow Fan
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Topics: Axial flow, Blades, Condensers (steam plant), Pressure, Pressure measurement
Proceedings Papers

The Effect of Hub Configuration on the Performance of an Air-Cooled Steam Condenser Fan

Z. Meiring, S. J. van der Spuy, C. J. Meyer
Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T10A012, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15480
https://doi.org/10.1115/GT2020-15480
View Paper titled, The Effect of Hub Configuration on the Performance of an Air-Cooled Steam Condenser Fan
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Topics: Condensers (steam plant), Flow (Dynamics), Disks, Axial flow, Design, Pressure, Computational fluid dynamics, Fans, Manufacturing, Modeling
Proceedings Papers

A Co-Simulation Approach to Modeling Air-Cooled Condensers in Windy Conditions

Ruan Engelbrecht, Ryno Laubscher, Johan van der Spuy
Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T10A013, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16047
https://doi.org/10.1115/GT2020-16047
View Paper titled, A Co-Simulation Approach to Modeling Air-Cooled Condensers in Windy Conditions
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Topics: Computational fluid dynamics, Condensers (steam plant), Modeling, Simulation, Wind
Proceedings Papers

Unsteady Flow Simulation of an Axial Fan for Dry Cooling in a CSP Plant Using the Variational Multiscale Method

Valerio Francesco Barnabei, Alessio Castorrini, Alessandro Corsini, Johan Van der Spuy, Franco Rispoli
Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T10A014, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16057
https://doi.org/10.1115/GT2020-16057
View Paper titled, Unsteady Flow Simulation of an Axial Fan for Dry Cooling in a CSP Plant Using the Variational Multiscale Method
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Topics: Cooling, Simulation, Unsteady flow, Computational fluid dynamics, Flow (Dynamics), Concentrating solar power, Condensers (steam plant), Cooling systems, Emissions, Finite element analysis
Proceedings Papers

Dynamic Modelling of Small Scale and High Temperature ORC System Using Simulink and CoolProp

Radheesh Dhanasegaran, Antti Uusitalo, Teemu Turunen-Saaresti
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T22A003, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15314
https://doi.org/10.1115/GT2020-15314
View Paper titled, Dynamic Modelling of Small Scale and High Temperature ORC System Using Simulink and CoolProp
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Topics: Dynamic modeling, High temperature, Organic Rankine cycle, Dynamic models, Cycles, Design, Exhaust systems, Modeling, Pumps, Turbogenerators
Proceedings Papers

Aeromechanical Characterization of a Last Stage Steam Blade at Low Load Operation: Part 2 — Computational Modelling and Comparison

Lorenzo Pinelli, Federico Vanti, Lorenzo Peruzzi, Andrea Arnone, Andrea Bessone, Claudio Bettini, Roberto Guida, Michela Marré Brunenghi, Vaclav Slama
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A017, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15409
https://doi.org/10.1115/GT2020-15409
View Paper titled, Aeromechanical Characterization of a Last Stage Steam Blade at Low Load Operation: Part 2 — Computational Modelling and Comparison
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Topics: Blades, Modeling, Steam, Stress, Damping, Computational fluid dynamics, Flutter (Aerodynamics), Pressure, Steam turbines, Simulation
Proceedings Papers

Numerical Investigation of the Influence of Flow Deflection at the Upper Hood on Performance of Low Pressure Steam Turbine Exhaust Hoods

Dickson Munyoki, Markus Schatz, Damian M. Vogt
Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A008, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90391
https://doi.org/10.1115/GT2019-90391
View Paper titled, Numerical Investigation of the Influence of Flow Deflection at the Upper Hood on Performance of Low Pressure Steam Turbine Exhaust Hoods
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Topics: Deflection, Exhaust systems, Flow (Dynamics), Pressure, Steam turbines, Design, Diffusers, Mach number, Turbines, Blades
Proceedings Papers

Aeroacoustical and Aerodynamical Investigations of Riblets Applied on Low Pressure Turbine Exit Guide Vanes for Two Different Operating Points

M. Zenz, A. Hafizovic, L. Simonassi, P. Leitl, F. Heitmeir, A. Marn
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT43A001, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90283
https://doi.org/10.1115/GT2019-90283
View Paper titled, Aeroacoustical and Aerodynamical Investigations of Riblets Applied on Low Pressure Turbine Exit Guide Vanes for Two Different Operating Points
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Topics: Guide vanes, Pressure, Turbines, Suction, Acoustics, Blades, Design, Fuel consumption, Probes, Aircraft
Proceedings Papers

Disappearing Thermo-Economic Sanity in Gas Turbine Combined Cycle Ratings: A Critique

S. Can Gülen
Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T08A003, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90883
https://doi.org/10.1115/GT2019-90883
View Paper titled, Disappearing Thermo-Economic Sanity in Gas Turbine Combined Cycle Ratings: A Critique
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Topics: Combined cycles, Gas turbines, Thermoeconomics, Turbines, Pressure, Cycles, Temperature, Thermal efficiency, Air flow, Brayton cycle
Proceedings Papers

Separation of Water Film From Last Stage Guide Blades of 1000 MW Steam Turbine

Michal Hoznedl, Ladislav Tajč, Lukáš Bednář, Aleš Macálka, Antonín Živný
Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A006, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90221
https://doi.org/10.1115/GT2019-90221
View Paper titled, Separation of Water Film From Last Stage Guide Blades of 1000 MW Steam Turbine
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Topics: Blades, Separation (Technology), Steam turbines, Water, Suction, Stators, Flow (Dynamics), Computational fluid dynamics, Surface roughness, Diffusers