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Rene Pecnik
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Proceedings Papers

Shear-Driven Hydrogen-Air Mixing in OP16 DLE Combustor: A Comparative Study Between URANS and LES

Teja Donepudi, Rene Pecnik, Jurriaan W. R. Peeters, Sikke Klein, Thijs Bouten, Lars-Uno Axelsson
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123831
https://doi.org/10.1115/GT2024-123831
View Paper titled, Shear-Driven Hydrogen-Air Mixing in OP16 DLE Combustor: A Comparative Study Between URANS and LES
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Topics: Combustion chambers, Computational fluid dynamics, Hydrogen, Shear (Mechanics)
Journal Articles

Design Methodology for Supersonic Radial Vanes Operating in Nonideal Flow Conditions

Nitish Anand, Salvatore Vitale, Matteo Pini, Gustavo J. Otero, Rene Pecnik
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2019, 141(2): 022601.
Paper No: GTP-17-1470
https://doi.org/10.1115/1.4040182
Published Online: November 14, 2018
View Article titled, Design Methodology for Supersonic Radial Vanes Operating in Nonideal Flow Conditions
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Topics: Design, Design methodology, Flow (Dynamics), Fluids, Nozzles, Shapes, Stators, Turbines, Organic Rankine cycle, Blades
Journal Articles

Unsteady Operation of a Highly Supersonic Organic Rankine Cycle Turbine

Enrico Rinaldi, Rene Pecnik, Piero Colonna
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. December 2016, 138(12): 121010.
Paper No: TURBO-15-1127
https://doi.org/10.1115/1.4033973
Published Online: July 19, 2016
View Article titled, Unsteady Operation of a Highly Supersonic Organic Rankine Cycle Turbine
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Topics: Blades, Fluids, Organic Rankine cycle, Rotors, Simulation, Stators, Turbines, Design, Shock (Mechanics), Boundary layers
Journal Articles

Computational Fluid Dynamic Simulation of a Supercritical CO 2 Compressor Performance Map

Enrico Rinaldi, Rene Pecnik, Piero Colonna
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2015, 137(7): 072602.
Paper No: GTP-14-1571
https://doi.org/10.1115/1.4029121
Published Online: July 1, 2015
View Article titled, Computational Fluid Dynamic Simulation of a Supercritical CO 2 Compressor Performance Map
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Topics: Blades, Compressors, Computational fluid dynamics, Flow (Dynamics), Fluids, Geometry, Simulation, Supercritical carbon dioxide, Vapors, Diffusers
Proceedings Papers

Numerical Computation of the Performance Map of a Supercritical CO 2 Radial Compressor by Means of Three-Dimensional CFD Simulations

Enrico Rinaldi, Rene Pecnik, Piero Colonna
Proc. ASME. GT2014, Volume 3B: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Supercritical CO2 Power Cycles; Wind Energy, V03BT36A017, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26966
https://doi.org/10.1115/GT2014-26966
View Paper titled, Numerical Computation of the Performance Map of a Supercritical CO 2 Radial Compressor by Means of Three-Dimensional CFD Simulations
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Topics: Compressors, Computation, Computational fluid dynamics, Engineering simulation, Simulation, Supercritical carbon dioxide, Fluids, Engineering prototypes, Flow (Dynamics), Interpolation
Proceedings Papers

Modeling Curvature Effects on Turbulence Transition for Turbomachinery Flows

Enrico Rinaldi, Roberto Suarez Raspopov, Piero Colonna, Rene Pecnik
Proc. ASME. GT2014, Volume 2B: Turbomachinery, V02BT39A039, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26958
https://doi.org/10.1115/GT2014-26958
View Paper titled, Modeling Curvature Effects on Turbulence Transition for Turbomachinery Flows
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Topics: Flow (Dynamics), Modeling, Turbomachinery, Turbulence, Channel flow, Heat transfer, Parameter estimation, Pressure, Rotation, Simulation
Proceedings Papers

Steady State CFD Investigation of a Radial Compressor Operating With Supercritical CO 2

Enrico Rinaldi, Rene Pecnik, Pierot Colonna
Proc. ASME. GT2013, Volume 8: Supercritical CO2 Power Cycles; Wind Energy; Honors and Awards, V008T34A008, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94580
https://doi.org/10.1115/GT2013-94580
View Paper titled, Steady State CFD Investigation of a Radial Compressor Operating With Supercritical CO 2
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Topics: Compressors, Computational fluid dynamics, Steady state, Supercritical carbon dioxide, Fluids, Compression, Turbomachinery, Diffusers, Impellers, Supercritical carbon dioxide closed-cycle gas turbines
Proceedings Papers

Computational Fluid Dynamics of a Radial Compressor Operating With Supercritical CO 2

Rene Pecnik, Enrico Rinaldi, Piero Colonna
Proc. ASME. GT2012, Volume 5: Manufacturing Materials and Metallurgy; Marine; Microturbines and Small Turbomachinery; Supercritical CO2 Power Cycles, 985-995, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-69640
https://doi.org/10.1115/GT2012-69640
View Paper titled, Computational Fluid Dynamics of a Radial Compressor Operating With Supercritical CO 2
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Topics: Compressors, Computational fluid dynamics, Supercritical carbon dioxide, Fluids, Carbon dioxide, Compression, Gas turbines, Simulation, Vapors, Brayton cycle
Proceedings Papers

Component Map Tuning Procedure Using Adaptive Modeling

Michel L. Verbist, Wilfried P. J. Visser, Rene Pecnik, Jos P. van Buijtenen
Proc. ASME. GT2012, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Controls, Diagnostics and Instrumentation, 371-379, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-69688
https://doi.org/10.1115/GT2012-69688
View Paper titled, Component Map Tuning Procedure Using Adaptive Modeling
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Topics: Modeling, Engines, Wings, Electromagnetic scattering, Errors, Gas turbines, Aircraft engines, Compressors, Cycles, Flow (Dynamics)
Journal Articles

Computational Fluid Dynamics of a Radial Compressor Operating With Supercritical CO 2

Rene Pecnik, Enrico Rinaldi, Piero Colonna
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2012, 134(12): 122301.
https://doi.org/10.1115/1.4007196
Published Online: October 11, 2012
View Article titled, Computational Fluid Dynamics of a Radial Compressor Operating With Supercritical CO 2
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Topics: Compressors, Computational fluid dynamics, Flow (Dynamics), Flux (Metallurgy), Geometry, Impellers, Pressure, Simulation, Supercritical carbon dioxide, Temperature
Proceedings Papers

Numerical Investigation of Unsteady Boundary Layer Transition Induced by Periodically Passing Wakes With an Intermittency Transport Equation

Rene Pecnik, Wolfgang Sanz, Paul Pieringer
Proc. ASME. GT2004, Volume 4: Turbo Expo 2004, 11-19, June 14–17, 2004
Publisher: American Society of Mechanical Engineers
Paper No: GT2004-53204
https://doi.org/10.1115/GT2004-53204
View Paper titled, Numerical Investigation of Unsteady Boundary Layer Transition Induced by Periodically Passing Wakes With an Intermittency Transport Equation
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Topics: Boundary layers, Wakes, Pressure, Cascades (Fluid dynamics), Turbines, Turbulence, Machine dynamics, Reynolds number, Separation (Technology), Shapes
Proceedings Papers

Numerical Investigation of the Secondary Flow of a Transonic Turbine Stage Using Various Turbulence Closures

Rene Pecnik, Paul Pieringer, Wolfgang Sanz
Proc. ASME. GT2005, Volume 6: Turbo Expo 2005, Parts A and B, 1185-1193, June 6–9, 2005
Publisher: American Society of Mechanical Engineers
Paper No: GT2005-68754
https://doi.org/10.1115/GT2005-68754
View Paper titled, Numerical Investigation of the Secondary Flow of a Transonic Turbine Stage Using Various Turbulence Closures
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Topics: Flow (Dynamics), Turbines, Turbulence, Boundary layer turbulence, Boundary layers, Computer simulation, Finite volume methods, Flow separation, Gas turbines, Guide vanes
Proceedings Papers

Application of the Turbulent Potential Model to Heat Transfer Predictions on a Turbine Guide Vane

Rene Pecnik, Wolfgang Sanz
Proc. ASME. GT2006, Volume 3: Heat Transfer, Parts A and B, 1153-1161, May 8–11, 2006
Publisher: American Society of Mechanical Engineers
Paper No: GT2006-90365
https://doi.org/10.1115/GT2006-90365
View Paper titled, Application of the Turbulent Potential Model to Heat Transfer Predictions on a Turbine Guide Vane
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Topics: Guide vanes, Heat transfer, Turbines, Turbulence, Pressure gradient, Boundary layer turbulence, Cascades (Fluid dynamics), Computer simulation, Equilibrium (Physics), Flat plates
Journal Articles

Application of the Turbulent Potential Model to Heat Transfer Predictions on a Turbine Guide Vane

Rene Pecnik, Wolfgang Sanz
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2007, 129(3): 628–635.
https://doi.org/10.1115/1.2720494
Published Online: July 27, 2006
View Article titled, Application of the Turbulent Potential Model to Heat Transfer Predictions on a Turbine Guide Vane
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Topics: Heat transfer, Turbulence, Turbines, Flow (Dynamics), Flat plates, Guide vanes