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Proceedings Papers

New Method for Cycle Performance Prediction Based on Detailed Compressor and Gas Turbine Flow Calculations

Milan V. Petrovic, Alexander Wiedermann, Milan B. Banjac, Srdjan Milic, Djordje Petkovic, Teodora Madzar

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A026, June 13–17, 2022

Paper No: GT2022-82229

DOI: https://doi.org/10.1115/GT2022-82229

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Topics: Compressors, Cycles, Flow (Dynamics), Gas turbines, Turbines, Cooling, Flow simulation, Temperature, Aerodynamics, Combustion

Proceedings Papers

Mesh Refinement and Inlet Turbulence Intensity in the Numerical Evaluation of Cooling Effectiveness: A Systematic Study on an Industrial Gas Turbine

Federico Lo Presti, Benjamin Winhart, Pascal Post, Francesca di Mare, Alexander Wiedermann, Johannes Greving, Robert Krewinkel

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A010, June 13–17, 2022

Paper No: GT2022-80958

DOI: https://doi.org/10.1115/GT2022-80958

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Topics: Cooling, Industrial gases, Turbines, Turbulence

Proceedings Papers

Simulation of the Overall Transient Operation of Gas Turbines

Djordje Petkovic, Milan B. Banjac, Srdjan Milic, Teodora Madzar, Milan V. Petrovic, Alexander Wiedermann

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T16A007, June 13–17, 2022

Paper No: GT2022-82250

DOI: https://doi.org/10.1115/GT2022-82250

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Topics: Dynamic models, Gas turbines, Simulation, Transients (Dynamics)

Journal Articles

Numerical Investigation of Unsteady Combustor Turbine Interaction for Flexible Power Generation

Federico Lo Presti, Marwick Sembritzky, Benjamin Winhart, Pascal Post, Francesca di Mare, Alexander Wiedermann, Johannes Greving, Robert Krewinkel

J. Turbomach. February 2022, 144(2): 021003.

Paper No: TURBO-21-1146

DOI: https://doi.org/10.1115/1.4052137

Published Online: September 27, 2021

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Topics: Boundary-value problems, Combustion chambers, Temperature, Turbines, Flow (Dynamics), Simulation, Fluctuations (Physics), Stress

Proceedings Papers

Numerical Investigation of Unsteady Combustor Turbine Interaction For Flexible Power Generation

Federico Lo Presti, Marwick Sembritzky, Benjamin Winhart, Pascal Post, Francesca di Mare, Alexander Wiedermann, Johannes Greving, Robert Krewinkel

Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A021, June 7–11, 2021

Paper No: GT2021-59329

DOI: https://doi.org/10.1115/GT2021-59329

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Topics: Combustion chambers, Energy generation, Stress, Turbines

Journal Articles

Erratum: “Secondary Flows, Endwall Effects, and Stall Detection in Axial Compressor Design” [ASME J. Turbomach. 2015, 137(5), p. 051004; DOI: 10.1115/1.4028648 ]

Milan Banjac, Milan V. Petrovic, Alexander Wiedermann

J. Turbomach. July 2021, 143(7): 077001.

Paper No: TURBO-20-1313

DOI: https://doi.org/10.1115/1.4049916

Published Online: May 17, 2021

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Topics: Compressors, Design, Flow (Dynamics)

Journal Articles

Modeling the Transient Behavior of Gas Turbines

Djordje Petkovic, Milan Banjac, Srdjan Milic, Milan V. Petrovic, Alexander Wiedermann

J. Turbomach. August 2020, 142(8): 081005.

Paper No: TURBO-19-1227

DOI: https://doi.org/10.1115/1.4046451

Published Online: July 28, 2020

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Topics: Compressors, Flow (Dynamics), Fuels, Gas turbines, Stress, Transients (Dynamics), Turbines, Simulation, Temperature, Inlet guide vanes

Proceedings Papers

Modelling the Transient Behaviour of Gas Turbines

Djordje Petkovic, Milan Banjac, Srdjan Milic, Milan V. Petrovic, Alexander Wiedermann

Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT45A014, June 17–21, 2019

Paper No: GT2019-91008

DOI: https://doi.org/10.1115/GT2019-91008

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Topics: Gas turbines, Modeling, Transients (Dynamics), Flow (Dynamics), Simulation, Stress, Boundary-value problems, Compressors, Differential equations, Dynamic models

Proceedings Papers

Through-Flow Modeling of Single- and Two-Shaft Gas Turbines at Wide Operating Range

Alexander Wiedermann, Milan V. Petrovic

Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A006, June 11–15, 2018

Paper No: GT2018-75394

DOI: https://doi.org/10.1115/GT2018-75394

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Topics: Flow (Dynamics), Gas turbines, Modeling, Turbines, Compressors, Cooling, Design, Bifurcation, Boundary layers, Combustion

Proceedings Papers

Part Load Behavior of the LP Part of an Industrial Gas Turbine

Milan V. Petrovic, Alexander Wiedermann, Srecko M. Nedeljkovic, Milan Banjac

Proc. ASME. GT2017, Volume 2A: Turbomachinery, V02AT40A033, June 26–30, 2017

Paper No: GT2017-64778

DOI: https://doi.org/10.1115/GT2017-64778

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Topics: Industrial gases, Stress, Turbines, Flow (Dynamics), Design, Compressors, Computational fluid dynamics, Cooling, Finite element analysis, Pressure

Proceedings Papers

Multistage Axial Compressor Flow Field Predictions Using CFD and Through-Flow Calculations

Milan Banjac, Milan V. Petrovic, Alexander Wiedermann

Proc. ASME. GT2016, Volume 2C: Turbomachinery, V02CT39A047, June 13–17, 2016

Paper No: GT2016-57632

DOI: https://doi.org/10.1115/GT2016-57632

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Topics: Compressors, Computational fluid dynamics, Flow (Dynamics), Blades, Design

Proceedings Papers

Fully Coupled Through-Flow Method for Industrial Gas Turbine Analysis

Milan V. Petrovic, Alexander Wiedermann

Proc. ASME. GT2015, Volume 2B: Turbomachinery, V02BT39A005, June 15–19, 2015

Paper No: GT2015-42111

DOI: https://doi.org/10.1115/GT2015-42111

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Topics: Flow (Dynamics), Industrial gases, Turbines, Compressors, Gas turbines, Cooling, Computation, Boundary layers, Combustion, Coolants

Journal Articles

Secondary Flows, Endwall Effects, and Stall Detection in Axial Compressor Design

Milan Banjac, Milan V. Petrovic, Alexander Wiedermann

J. Turbomach. May 2015, 137(5): 051004.

Paper No: TURBO-14-1179

DOI: https://doi.org/10.1115/1.4028648

Published Online: May 1, 2015

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Topics: Blades, Boundary layers, Clearances (Engineering), Compressors, Entropy, Flow (Dynamics), Pressure, Design, Suction

Proceedings Papers

Three-Dimensional Flowfield Calculation of High-Loaded Centrifugal Compressor Diffusers

Ingolf Teipel, Alexander Wiedermann

Proc. ASME. GT1986, Volume 1: Turbomachinery, V001T01A076, June 8–12, 1986

Paper No: 86-GT-187

DOI: https://doi.org/10.1115/86-GT-187

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Topics: Compressors, Diffusers, Blades, Geometry, Shapes

Proceedings Papers

Viscous Flow Field Calculations in High-Loaded Centrifugal Compressor Diffusers

Ingolf Teipel, Alexander Wiedermann

Proc. ASME. GT1990, Volume 1: Turbomachinery, V001T01A028, June 11–14, 1990

Paper No: 90-GT-077

DOI: https://doi.org/10.1115/90-GT-077

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Topics: Compressors, Diffusers, Viscous flow, Turbulence, Boundary layers, Approximation, Computation, Computers, Eddies (Fluid dynamics), Modeling

Proceedings Papers

An Efficient Workflow for Accurate Flutter Stability Analyses and Application to a State of the Art Compressor Rotor

Derek Micallef, Dirk Witteck, Alexander Wiedermann, Ronald Mailach

Proc. ASME. GT2014, Volume 7B: Structures and Dynamics, V07BT35A007, June 16–20, 2014

Paper No: GT2014-25646

DOI: https://doi.org/10.1115/GT2014-25646

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Topics: Compressors, Flutter (Aerodynamics), Rotors, Stability, Workflow, Blades, Design, Mode shapes, Boundary-value problems, Computer software

Proceedings Papers

Secondary Flows, Endwall Effects and Stall Detection in Axial Compressor Design

Milan Banjac, Milan V. Petrovic, Alexander Wiedermann

Proc. ASME. GT2014, Volume 2A: Turbomachinery, V02AT37A005, June 16–20, 2014

Paper No: GT2014-25115

DOI: https://doi.org/10.1115/GT2014-25115

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Topics: Compressors, Design, Flow (Dynamics), Boundary layers, Calibration, Clearances (Engineering), Surges

Journal Articles

A New Loss and Deviation Model for Axial Compressor Inlet Guide Vanes

Milan Banjac, Milan V. Petrovic, Alexander Wiedermann

J. Turbomach. July 2014, 136(7): 071011.

Paper No: TURBO-13-1217

DOI: https://doi.org/10.1115/1.4025956

Published Online: January 2, 2014

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Topics: Blades, Compressors, Flow (Dynamics), Inlet guide vanes, Cascades (Fluid dynamics), Airfoils, Computational fluid dynamics

Proceedings Papers

Cross Flow Effects on Endwall Heat Transfer in Film-Cooled Turbine Nozzle Guide Vanes

Rebecca Reviol, Roman Franze, Martin Böhle, Kenichiro Takeishi, Alexander Wiedermann

Proc. ASME. GT2013, Volume 3B: Heat Transfer, V03BT13A035, June 3–7, 2013

Paper No: GT2013-94898

DOI: https://doi.org/10.1115/GT2013-94898

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Topics: Cross-flow, Heat transfer, Nozzle guide vanes, Turbines, Flow (Dynamics), Computational fluid dynamics, Film cooling, Airfoils, Symmetry (Physics), Turbulence

Proceedings Papers

A New Loss and Deviation Model for Axial Compressor Inlet Guide Vanes

Milan Banjac, Milan V. Petrovic, Alexander Wiedermann

Proc. ASME. GT2013, Volume 6A: Turbomachinery, V06AT35A023, June 3–7, 2013

Paper No: GT2013-95020

DOI: https://doi.org/10.1115/GT2013-95020

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Topics: Compressors, Inlet guide vanes, Flow (Dynamics), Airfoils, Cascades (Fluid dynamics), Deflection, Design, Algebra, Computational fluid dynamics, Geometry

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