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Proceedings Papers

Uncertainty Based Optimization Strategy for the Gappy-POD Multi-Fidelity Method

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Bernhard Poethke, Stefan Völker, Konrad Vogeler
Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT38A017, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15166
https://doi.org/10.1115/GT2020-15166
View Paper titled, Uncertainty Based Optimization Strategy for the Gappy-POD Multi-Fidelity Method
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Topics: Optimization, Uncertainty, Airfoils, Design, Uncertainty quantification, Algorithms, Engineering simulation, Errors, Experimental design, Fittings
Journal Articles

Experimental Study on the Influence of Film Cooling Hole Extraction on Heat Transfer and Flow Field in Internal Ribbed Cooling Channels of Turbine Blades

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Marlene Böttger, Martin Lange, Ronald Mailach, Konrad Vogeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2020, 142(10): 101005.
Paper No: TURBO-19-1166
https://doi.org/10.1115/1.4047608
Published Online: September 14, 2020
View Articletitled, Experimental Study on the Influence of Film Cooling Hole Extraction on Heat Transfer and Flow Field in Internal Ribbed Cooling Channels of Turbine Blades
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Topics: Cooling, Flow (Dynamics), Heat transfer, Film cooling
Journal Articles

Experimental and Numerical Investigation of a Circumferential Groove Casing Treatment in a Low-Speed Axial Research Compressor at Different Tip Clearances

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Matthias Rolfes, Martin Lange, Konrad Vogeler, Ronald Mailach
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. December 2017, 139(12): 121009.
Paper No: TURBO-17-1125
https://doi.org/10.1115/1.4037822
Published Online: October 3, 2017
View Articletitled, Experimental and Numerical Investigation of a Circumferential Groove Casing Treatment in a Low-Speed Axial Research Compressor at Different Tip Clearances
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Topics: Clearances (Engineering), Compressors, Flow (Dynamics), Pressure, Rotors, Blades, Leakage, Computational fluid dynamics, Chords (Trusses), Vortices
Proceedings Papers

Experimental and Numerical Investigation of a Circumferential Groove Casing Treatment in a Low Speed Axial Research Compressor at Different Tip Clearances

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Matthias Rolfes, Martin Lange, Konrad Vogeler, Ronald Mailach
Proc. ASME. GT2017, Volume 2A: Turbomachinery, V02AT39A003, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63051
https://doi.org/10.1115/GT2017-63051
View Paper titled, Experimental and Numerical Investigation of a Circumferential Groove Casing Treatment in a Low Speed Axial Research Compressor at Different Tip Clearances
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Topics: Compressors, Clearances (Engineering), Pressure, Rotors, Chords (Trusses), Blades, Flow (Dynamics), High pressure (Physics), Pressure measurement, Probes
Journal Articles

Comparison of Two Methods for Sensitivity Analysis of Compressor Blades

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Robin Schmidt, Matthias Voigt, Konrad Vogeler, Marcus Meyer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. November 2017, 139(11): 111006.
Paper No: TURBO-17-1065
https://doi.org/10.1115/1.4037127
Published Online: August 16, 2017
View Articletitled, Comparison of Two Methods for Sensitivity Analysis of Compressor Blades
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Topics: Blades, Compressors, Flow (Dynamics), Rotors, Sensitivity analysis, Simulation, Geometry, Pressure, Design
Journal Articles

Geometrical Modification of the Unsteady Pressure to Reduce Low-Pressure Turbine Flutter

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Christian Peeren, Konrad Vogeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. September 2017, 139(9): 091011.
Paper No: TURBO-16-1239
https://doi.org/10.1115/1.4036343
Published Online: May 2, 2017
View Articletitled, Geometrical Modification of the Unsteady Pressure to Reduce Low-Pressure Turbine Flutter
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Topics: Blades, Design, Flow (Dynamics), Flutter (Aerodynamics), Geometry, Optimization, Pressure, Turbine blades, Turbines, Stability
Proceedings Papers

Effects of Turbulent Boundary Conditions on the Prediction of the Secondary Flow Field in a Linear Compressor Cascade

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Peter Busse, Andreas Krug, Martin Lange, Konrad Vogeler, Ronald Mailach
Proc. ASME. GT2016, Volume 2A: Turbomachinery, V02AT37A011, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56455
https://doi.org/10.1115/GT2016-56455
View Paper titled, Effects of Turbulent Boundary Conditions on the Prediction of the Secondary Flow Field in a Linear Compressor Cascade
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Topics: Boundary-value problems, Cascades (Fluid dynamics), Compressors, Flow (Dynamics), Turbulence, Boundary layers, Channel flow, Clearances (Engineering), Differential equations, Energy dissipation
Proceedings Papers

Analysis of High Pressure Turbine Nozzle Guide Vanes Considering Geometric Variations

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Lars Högner, Alkin Nasuf, Paul Voigt, Matthias Voigt, Konrad Vogeler, Marcus Meyer, Christopher Berridge, Frederic Goenaga
Proc. ASME. GT2016, Volume 2C: Turbomachinery, V02CT45A025, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57502
https://doi.org/10.1115/GT2016-57502
View Paper titled, Analysis of High Pressure Turbine Nozzle Guide Vanes Considering Geometric Variations
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Topics: High pressure (Physics), Nozzle guide vanes, Turbines, Manufacturing, Computer-aided design, Electromagnetic scattering, Computational fluid dynamics, Design, Engines, Geometry
Proceedings Papers

Comparison of Two Methods for Sensitivity Analysis of Compressor Blades

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Robin Schmidt, Matthias Voigt, Konrad Vogeler, Marcus Meyer
Proc. ASME. GT2016, Volume 7B: Structures and Dynamics, V07BT29A003, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57378
https://doi.org/10.1115/GT2016-57378
View Paper titled, Comparison of Two Methods for Sensitivity Analysis of Compressor Blades
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Topics: Blades, Compressors, Sensitivity analysis, Computational fluid dynamics, Simulation, Geometry, Rotors, Shapes, Flow (Dynamics), High pressure (Physics)
Proceedings Papers

Setup, Validation and Probabilistic Robustness Estimation of a Model for Prediction of LCF in Steam Turbine Rotors

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David Pusch, Matthias Voigt, Konrad Vogeler, Peter Dumstorff, Henning Almstedt
Proc. ASME. GT2016, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A031, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57321
https://doi.org/10.1115/GT2016-57321
View Paper titled, Setup, Validation and Probabilistic Robustness Estimation of a Model for Prediction of LCF in Steam Turbine Rotors
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Topics: Robustness, Rotors, Steam turbines, Boundary-value problems, Stress, Finite element model, Temperature, Transients (Dynamics), Turbines, Electromagnetic scattering
Proceedings Papers

Experimental Investigation of Circumferential Groove Casing Treatments for Large Tip Clearances in a Low Speed Axial Research Compressor

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Matthias Rolfes, Martin Lange, Konrad Vogeler
Proc. ASME. GT2015, Volume 2A: Turbomachinery, V02AT37A021, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42646
https://doi.org/10.1115/GT2015-42646
View Paper titled, Experimental Investigation of Circumferential Groove Casing Treatments for Large Tip Clearances in a Low Speed Axial Research Compressor
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Topics: Compressors, Rotors, Annulus, Chords (Trusses), Clearances (Engineering), Flow (Dynamics), High pressure (Physics), Probes, Transients (Dynamics)
Proceedings Papers

A Curvature Based Algorithm for Treatment of Cooling Holes in Polygon Meshes of Turbine Blades

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Lars Högner, Matthias Voigt, Konrad Vogeler, Marcus Meyer, Christopher Berridge
Proc. ASME. GT2015, Volume 2B: Turbomachinery, V02BT39A025, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42841
https://doi.org/10.1115/GT2015-42841
View Paper titled, A Curvature Based Algorithm for Treatment of Cooling Holes in Polygon Meshes of Turbine Blades
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Topics: Algorithms, Cooling, Turbine blades, Airfoils
Journal Articles

Experimental Investigation Into the Effects of the Steady Wake-Tip Clearance Vortex Interaction in a Compressor Cascade

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Andreas Krug, Peter Busse, Konrad Vogeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. June 2015, 137(6): 061006.
Paper No: TURBO-14-1244
https://doi.org/10.1115/1.4028797
Published Online: June 1, 2015
View Articletitled, Experimental Investigation Into the Effects of the Steady Wake-Tip Clearance Vortex Interaction in a Compressor Cascade
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Topics: Blades, Cascades (Fluid dynamics), Clearances (Engineering), Compressors, Flow (Dynamics), Vortices, Wakes, Pressure, Leakage flows
Proceedings Papers

The Potential of Sequential Combustion for High Bypass Jet Engines

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Konrad Vogeler
Proc. ASME. GT1998, Volume 2: Aircraft Engine; Marine; Microturbines and Small Turbomachinery, V002T02A006, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-311
https://doi.org/10.1115/98-GT-311
View Paper titled, The Potential of Sequential Combustion for High Bypass Jet Engines
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Topics: Combustion, Jet engines, Engines, Cycles, Turbines, Flow (Dynamics), Pressure, Thrust, Fuel consumption, Fuels
Proceedings Papers

An Experimental Investigation of a Tandem Stator Flow Characteristic in a Low Speed Axial Research Compressor

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Alrik Tesch, Martin Lange, Konrad Vogeler, Jens Ortmanns, Erik Johann, Volker Gümmer
Proc. ASME. GT2014, Volume 2A: Turbomachinery, V02AT37A029, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26104
https://doi.org/10.1115/GT2014-26104
View Paper titled, An Experimental Investigation of a Tandem Stator Flow Characteristic in a Low Speed Axial Research Compressor
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Topics: Compressors, Flow (Dynamics), Stators, Design, Blades, Fluids, Guide vanes, High pressure (Physics), Jet engines, Power density
Proceedings Papers

Effects of the Steady Wake-Tip Clearance Vortex Interaction in a Compressor Cascade: Part I — Experimental Investigations

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Andreas Krug, Peter Busse, Konrad Vogeler
Proc. ASME. GT2014, Volume 2A: Turbomachinery, V02AT37A030, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26120
https://doi.org/10.1115/GT2014-26120
View Paper titled, Effects of the Steady Wake-Tip Clearance Vortex Interaction in a Compressor Cascade: Part I — Experimental Investigations
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Topics: Cascades (Fluid dynamics), Clearances (Engineering), Compressors, Vortices, Wakes, Blades, Flow (Dynamics), Aerodynamic flow, Pressure, Probes
Proceedings Papers

Effects of the Steady Wake-Tip Clearance Vortex Interaction in a Compressor Cascade: Part II — Numerical Investigations

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Peter Busse, Andreas Krug, Konrad Vogeler
Proc. ASME. GT2014, Volume 2A: Turbomachinery, V02AT37A031, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26121
https://doi.org/10.1115/GT2014-26121
View Paper titled, Effects of the Steady Wake-Tip Clearance Vortex Interaction in a Compressor Cascade: Part II — Numerical Investigations
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Topics: Cascades (Fluid dynamics), Clearances (Engineering), Compressors, Vortices, Wakes, Flow (Dynamics), Steady state, Aerodynamic flow, Blades, Computation
Proceedings Papers

The Periodical Interaction of the Tip Clearance Flow in the Blade Rows of Axial Compressors

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Ronald Mailach, Helmut Sauer, Konrad Vogeler
Proc. ASME. GT2001, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A004, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0299
https://doi.org/10.1115/2001-GT-0299
View Paper titled, The Periodical Interaction of the Tip Clearance Flow in the Blade Rows of Axial Compressors
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Topics: Blades, Clearances (Engineering), Compressors, Flow (Dynamics), Rotors, Cascades (Fluid dynamics), Design, Turbomachinery, Wake turbulence, Flow instability
Journal Articles

Single and Multiple Row Endwall Film-Cooling of a Highly Loaded First Turbine Vane With Variation of Loading

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Martin Kunze, Konrad Vogeler, Michael Crawford, Glenn Brown
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. June 2014, 136(6): 061012.
Paper No: TURBO-13-1045
https://doi.org/10.1115/1.4025688
Published Online: November 28, 2013
View Articletitled, Single and Multiple Row Endwall Film-Cooling of a Highly Loaded First Turbine Vane With Variation of Loading
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Topics: Cascades (Fluid dynamics), Coolants, Cooling, Film cooling, Flow (Dynamics), Pressure, Temperature, Airfoils, Jets
Proceedings Papers

Probabilistic CFD Analysis of High Pressure Turbine Blades Considering Real Geometric Effects

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Jens Scharfenstein, Kay Heinze, Matthias Voigt, Konrad Vogeler, Marcus Meyer
Proc. ASME. GT2013, Volume 6B: Turbomachinery, V06BT43A005, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94161
https://doi.org/10.1115/GT2013-94161
View Paper titled, Probabilistic CFD Analysis of High Pressure Turbine Blades Considering Real Geometric Effects
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Topics: Computational fluid dynamics, High pressure (Physics), Turbine blades, Blades, Safety, Abrasion, Databases, Engineering simulation, Manufacturing, Sensitivity analysis