1-20 of 22
Dragan Kožulović
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles

Assessment of the DDES- γ Model for the Simulation of a Highly Loaded Turbine Cascade

Nima Fard Afshar, Felix M. Möller, Stefan Henninger, Dragan Kožulović, Christian Morsbach, Patrick Bechlars, Peter Jeschke
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2024, 146(1): 011011.
Paper No: TURBO-23-1219
https://doi.org/10.1115/1.4064079
Published Online: November 30, 2023
View Article titled, Assessment of the DDES- γ Model for the Simulation of a Highly Loaded Turbine Cascade
Open the PDF for Assessment of the DDES- γ Model for the Simulation of a Highly Loaded Turbine Cascade in another window
Topics: Boundary layers, Cascades (Fluid dynamics), Delay differential equations, Pressure, Reynolds-averaged Navier–Stokes equations, Separation (Technology), Simulation, Suction, Turbines, Turbulence
Proceedings Papers

Assessment of the DDES-γ Model for the Simulation of a Highly Loaded Turbine Cascade

Nima Fard Afshar, Felix M. Möller, Stefan Henninger, Dragan Kožulović, Christian Morsbach, Patrick Bechlars, Peter Jeschke
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT32A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100670
https://doi.org/10.1115/GT2023-100670
View Paper titled, Assessment of the DDES-γ Model for the Simulation of a Highly Loaded Turbine Cascade
Open the PDF for Assessment of the DDES-γ Model for the Simulation of a Highly Loaded Turbine Cascade in another window
Topics: Cascades (Fluid dynamics), Delay differential equations, Reynolds-averaged Navier–Stokes equations, Separation (Technology), Simulation, Turbines
Proceedings Papers

Transition Model Extension for Roughness Effects

Dragan Kožulović, Nemo Juchmann, Alexander Führing, Christoph Bode
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A042, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83277
https://doi.org/10.1115/GT2022-83277
View Paper titled, Transition Model Extension for Roughness Effects
Open the PDF for Transition Model Extension for Roughness Effects in another window
Topics: Surface roughness, Turbulence, Airfoils, Boundary layer turbulence, Boundary layers, Boundary-value problems, Computational fluid dynamics, Computer software, Energy dissipation, Flow (Dynamics)
Proceedings Papers

Development of Turbulent Quantities Inside an Axial Turbine Vane

Stephan Behre, Dragan Kožulović, Christian Hösgen, Peter Jeschke
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A014, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60013
https://doi.org/10.1115/GT2021-60013
View Paper titled, Development of Turbulent Quantities Inside an Axial Turbine Vane
Open the PDF for Development of Turbulent Quantities Inside an Axial Turbine Vane in another window
Topics: Turbines, Turbulence, Stators, Kinetic energy, Wire, Algebra, Anisotropy, Axial flow, Computational fluid dynamics, Engineering simulation
Proceedings Papers

Steady State Modeling of Unsteady Wake Induced Transition Effects in a Multistage Low Pressure Turbine

Alexander Führing, Dragan Kožulović, Christoph Bode, Matthias Franke
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A012, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14558
https://doi.org/10.1115/GT2020-14558
View Paper titled, Steady State Modeling of Unsteady Wake Induced Transition Effects in a Multistage Low Pressure Turbine
Open the PDF for Steady State Modeling of Unsteady Wake Induced Transition Effects in a Multistage Low Pressure Turbine in another window
Topics: Modeling, Pressure, Steady state, Turbines, Wakes, Boundary layers, Computation, Reynolds number, Simulation, Aircraft engines
Proceedings Papers

The Heron Fan: Concept Description and Preliminary Aerothermodynamic Analysis

Finn Schöning, Dragan Kozulovic
Proc. ASME. GT2018, Volume 3: Coal, Biomass, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T06A017, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76529
https://doi.org/10.1115/GT2018-76529
View Paper titled, The Heron Fan: Concept Description and Preliminary Aerothermodynamic Analysis
Open the PDF for The Heron Fan: Concept Description and Preliminary Aerothermodynamic Analysis in another window
Topics: Air compressors, Blades, Combustion, Combustion chambers, Compression, Compressors, Computer-aided design, Cycles, Engines, Fuels
Journal Articles

Potential of Future Thermoelectric Energy Recuperation for Aviation

Christoph Bode, Jens Friedrichs, Ragnar Somdalen, Jürgen Köhler, Kai-Daniel Büchter, Christoph Falter, Ulrich Kling, Pawel Ziolkowski, Knud Zabrocki, Eckhard Müller, Dragan Kožulović
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2017, 139(10): 101201.
Paper No: GTP-17-1049
https://doi.org/10.1115/1.4036527
Published Online: May 9, 2017
View Article titled, Potential of Future Thermoelectric Energy Recuperation for Aviation
Open the PDF for Potential of Future Thermoelectric Energy Recuperation for Aviation in another window
Topics: Aircraft, Aviation, Engines, Generators, Nozzles, Temperature, Flow (Dynamics), Design, Power density, Heat
Proceedings Papers

Potential of Future Thermoelectric Energy Recuperation for Aviation

Christoph Bode, Jens Friedrichs, Ragnar Somdalen, Jürgen Köhler, Kai-Daniel Büchter, Christoph Falter, Ulrich Kling, Pawel Ziolkowski, Knud Zabrocki, Eckhard Müller, Dragan Kožulović
Proc. ASME. IMECE2016, Volume 1: Advances in Aerospace Technology, V001T03A041, November 11–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2016-66650
https://doi.org/10.1115/IMECE2016-66650
View Paper titled, Potential of Future Thermoelectric Energy Recuperation for Aviation
Open the PDF for Potential of Future Thermoelectric Energy Recuperation for Aviation in another window
Topics: Aviation, Turbines, Aircraft, Engines, Flow (Dynamics), Generators, Heat transfer, High pressure (Physics), Nozzles, Pressure
Proceedings Papers

Particle Image Velocimetry Investigations of a Subsonic Compressor Tandem Cascade

Charlotte Hertel, Christoph Bode, Dragan Kožulović, Tim Schneider
Proc. ASME. GT2016, Volume 2A: Turbomachinery, V02AT37A044, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57726
https://doi.org/10.1115/GT2016-57726
View Paper titled, Particle Image Velocimetry Investigations of a Subsonic Compressor Tandem Cascade
Open the PDF for Particle Image Velocimetry Investigations of a Subsonic Compressor Tandem Cascade in another window
Topics: Cascades (Fluid dynamics), Compressors, Particulate matter, Flow (Dynamics), Blades, Pressure measurement, Suction
Proceedings Papers

Analysis of Laminar-Turbulent Transition of a Low-Loss Generic Low Pressure Turbine Distribution

Christian Brück, Christoph Lyko, Dieter Peitsch, Christoph Bode, Jens Friedrichs, Dragan Kožulović, Andreas Fiala, Yavuz Guendogdu
Proc. ASME. GT2015, Volume 2A: Turbomachinery, V02AT38A019, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42824
https://doi.org/10.1115/GT2015-42824
View Paper titled, Analysis of Laminar-Turbulent Transition of a Low-Loss Generic Low Pressure Turbine Distribution
Open the PDF for Analysis of Laminar-Turbulent Transition of a Low-Loss Generic Low Pressure Turbine Distribution in another window
Topics: Pressure, Turbines, Turbulence, Reynolds number, Blades, Engines, Geometry, Reynolds-averaged Navier–Stokes equations, Suction, Turbofans
Proceedings Papers

Improved Turbulence and Transition Prediction for Turbomachinery Flows

Christoph Bode, Thorben Aufderheide, Jens Friedrichs, Dragan Kožulović
Proc. ASME. IMECE2014, Volume 1: Advances in Aerospace Technology, V001T01A067, November 14–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2014-36866
https://doi.org/10.1115/IMECE2014-36866
View Paper titled, Improved Turbulence and Transition Prediction for Turbomachinery Flows
Open the PDF for Improved Turbulence and Transition Prediction for Turbomachinery Flows in another window
Topics: Flow (Dynamics), Turbomachinery, Turbulence, Turbines, Cascades (Fluid dynamics), Cross-flow, Eddies (Fluid dynamics), Guide vanes, Inflow, Pressure
Proceedings Papers

Aerodynamic Optimization of Turboprop Turbine Blades Using a Response Surface Methodology Based Algorithm

Stefano Tosin, Jens Friedrichs, Johann Sperling, Dragan Kožulović
Proc. ASME. FEDSM2014, Volume 1A, Symposia: Advances in Fluids Engineering Education; Turbomachinery Flow Predictions and Optimization; Applications in CFD; Bio-Inspired Fluid Mechanics; Droplet-Surface Interactions; CFD Verification and Validation; Development and Applications of Immersed Boundary Methods; DNS, LES, and Hybrid RANS/LES Methods, V01AT02A009, August 3–7, 2014
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2014-21752
https://doi.org/10.1115/FEDSM2014-21752
View Paper titled, Aerodynamic Optimization of Turboprop Turbine Blades Using a Response Surface Methodology Based Algorithm
Open the PDF for Aerodynamic Optimization of Turboprop Turbine Blades Using a Response Surface Methodology Based Algorithm in another window
Topics: Algorithms, Optimization, Response surface methodology, Turbine blades, Airfoils, Blades, Computational fluid dynamics, Design, Generators, Pressure
Proceedings Papers

Investigations on Aerodynamic Loading Limits of Subsonic Compressor Tandem Cascades: End Wall Flow

Charlotte Hertel, Christoph Bode, Dragan Kožulović, Tim Schneider
Proc. ASME. GT2014, Volume 2A: Turbomachinery, V02AT37A049, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26978
https://doi.org/10.1115/GT2014-26978
View Paper titled, Investigations on Aerodynamic Loading Limits of Subsonic Compressor Tandem Cascades: End Wall Flow
Open the PDF for Investigations on Aerodynamic Loading Limits of Subsonic Compressor Tandem Cascades: End Wall Flow in another window
Topics: Compressors, Flow (Dynamics), Cascades (Fluid dynamics), Blades, Topology, Computational fluid dynamics, Computer simulation, Design, Flow visualization, Mach number
Proceedings Papers

The Effects of Turbulence Length Scale on Turbulence and Transition Prediction in Turbomachinery Flows

Christoph Bode, Thorben Aufderheide, Dragan Kožulović, Jens Friedrichs
Proc. ASME. GT2014, Volume 2B: Turbomachinery, V02BT39A042, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-27026
https://doi.org/10.1115/GT2014-27026
View Paper titled, The Effects of Turbulence Length Scale on Turbulence and Transition Prediction in Turbomachinery Flows
Open the PDF for The Effects of Turbulence Length Scale on Turbulence and Transition Prediction in Turbomachinery Flows in another window
Topics: Flow (Dynamics), Turbomachinery, Turbulence, Turbines, Cascades (Fluid dynamics), Eddies (Fluid dynamics), Inflow, Viscosity
Proceedings Papers

Investigations on Aerodynamic Loading Limits of Subsonic Compressor Tandem Cascades: Midspan Flow

Charlotte Hertel, Christoph Bode, Dragan Kožulović, Tim Schneider
Proc. ASME. IMECE2013, Volume 1: Advances in Aerodynamics, V001T01A041, November 15–21, 2013
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2013-64488
https://doi.org/10.1115/IMECE2013-64488
View Paper titled, Investigations on Aerodynamic Loading Limits of Subsonic Compressor Tandem Cascades: Midspan Flow
Open the PDF for Investigations on Aerodynamic Loading Limits of Subsonic Compressor Tandem Cascades: Midspan Flow in another window
Topics: Compressors, Flow (Dynamics), Cascades (Fluid dynamics), Mach number, Pressure, Computational fluid dynamics, Computer simulation, Design, Diffusion (Physics), Turbulence
Proceedings Papers

Drag Reduction by Boundary Layer Control With Passively Moving Wall

Helge Koch, Dragan Kozulovic
Proc. ASME. FEDSM2013, Volume 1B, Symposia: Fluid Machinery; Fluid Power; Fluid-Structure Interaction and Flow-Induced Noise in Industrial Applications; Flow Applications in Aerospace; Flow Manipulation and Active Control: Theory, Experiments and Implementation; Fundamental Issues and Perspectives in Fluid Mechanics, V01BT15A004, July 7–11, 2013
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2013-16149
https://doi.org/10.1115/FEDSM2013-16149
View Paper titled, Drag Reduction by Boundary Layer Control With Passively Moving Wall
Open the PDF for Drag Reduction by Boundary Layer Control With Passively Moving Wall in another window
Topics: Boundary layers, Disks, Drag (Fluid dynamics), Drag reduction, Flat plates, Flow (Dynamics), Probes, Rotating disks, Rotation, Shear stress
Proceedings Papers

Flow Characteristics of Axial Compressor Tandem Cascades at Large Off-Design Incidence Angles

Tim Schneider, Dragan Kožulović
Proc. ASME. GT2013, Volume 6A: Turbomachinery, V06AT35A011, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94708
https://doi.org/10.1115/GT2013-94708
View Paper titled, Flow Characteristics of Axial Compressor Tandem Cascades at Large Off-Design Incidence Angles
Open the PDF for Flow Characteristics of Axial Compressor Tandem Cascades at Large Off-Design Incidence Angles in another window
Topics: Compressors, Design, Flow (Dynamics), Blades, Cascades (Fluid dynamics), Flow separation, Mach number, Engineering simulation, Pressure, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Performance and Boundary Layer Development of a High Turning Compressor Cascade at Sub- and Supercritical Flow Conditions

Christoph Bode, Dragan Kožulović, Udo Stark, Heinz Hoheisel
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 49-61, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-68382
https://doi.org/10.1115/GT2012-68382
View Paper titled, Performance and Boundary Layer Development of a High Turning Compressor Cascade at Sub- and Supercritical Flow Conditions
Open the PDF for Performance and Boundary Layer Development of a High Turning Compressor Cascade at Sub- and Supercritical Flow Conditions in another window
Topics: Boundary layers, Cascades (Fluid dynamics), Compressors, Flow (Dynamics), Turning, Mach number, Blades, Density, Engineering simulation, Modeling
Journal Articles

Numerical and Experimental Investigations of a Compressor Cascade Flow With Secondary Air Removal

Sascha Pönick, Dragan Kožulović, Rolf Radespiel, Bernd Becker, Volker Gümmer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2013, 135(2): 021030.
Paper No: TURBO-11-1190
https://doi.org/10.1115/1.4006570
Published Online: November 8, 2012
View Article titled, Numerical and Experimental Investigations of a Compressor Cascade Flow With Secondary Air Removal
Open the PDF for Numerical and Experimental Investigations of a Compressor Cascade Flow With Secondary Air Removal in another window
Topics: Blades, Flow (Dynamics), Pressure, Compressors, Design, Vortices, Computational fluid dynamics, Turbulence, Cascades (Fluid dynamics)
Journal Articles

Transition Modeling for Vortex Generating Jets on Low-Pressure Turbine Profiles

Florian Herbst, Dragan Kožulović, Joerg R. Seume
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. January 2013, 135(1): 011038.
Paper No: TURBO-11-1167
https://doi.org/10.1115/1.4006421
Published Online: October 31, 2012
View Article titled, Transition Modeling for Vortex Generating Jets on Low-Pressure Turbine Profiles
Open the PDF for Transition Modeling for Vortex Generating Jets on Low-Pressure Turbine Profiles in another window
Topics: Boundary layers, Jets, Modeling, Pressure, Separation (Technology), Turbines, Turbulence, Vortices, Design, Suction