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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
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2019, 141(2): 022601.
Paper No: GTP-17-1470
DOI: 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
Article Type: Research-Article
J. Turbomach. December 2016, 138(12): 121010.
Paper No: TURBO-15-1127
DOI: 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
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2015, 137(7): 072602.
Paper No: GTP-14-1571
DOI: 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
Paper No: GT2014-26966
DOI: 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
Click here to open pdf in another window PDF for Numerical Computation of the Performance Map of a Supercritical CO 2 Radial Compressor by Means of Three-Dimensional CFD Simulations
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
Paper No: GT2014-26958
DOI: https://doi.org/10.1115/GT2014-26958
View Paper titled, Modeling Curvature Effects on Turbulence Transition for Turbomachinery Flows
Click here to open pdf in another window PDF for Modeling Curvature Effects on Turbulence Transition for Turbomachinery Flows
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
Paper No: GT2013-94580
DOI: https://doi.org/10.1115/GT2013-94580
View Paper titled, Steady State CFD Investigation of a Radial Compressor Operating With Supercritical CO 2
Click here to open pdf in another window PDF for Steady State CFD Investigation of a Radial Compressor Operating With Supercritical CO 2
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
Paper No: GT2012-69640
DOI: 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
Paper No: GT2012-69688
DOI: https://doi.org/10.1115/GT2012-69688
View Paper titled, Component Map Tuning Procedure Using Adaptive Modeling
Click here to open pdf in another window PDF for Component Map Tuning Procedure Using Adaptive Modeling
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
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2012, 134(12): 122301.
DOI: 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
Click here to open pdf in another window PDF for Computational Fluid Dynamics of a Radial Compressor Operating With Supercritical CO 2
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
Paper No: GT2004-53204
DOI: 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
Paper No: GT2005-68754
DOI: 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
Paper No: GT2006-90365
DOI: 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
Article Type: Technical Papers
J. Turbomach. July 2007, 129(3): 628–635.
DOI: 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
Click here to open pdf in another window PDF for Application of the Turbulent Potential Model to Heat Transfer Predictions on a Turbine Guide Vane
Topics: Heat transfer, Turbulence, Turbines, Flow (Dynamics), Flat plates, Guide vanes