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David Engelmann
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Journal Articles

Time-Resolved Measurements of the Unsteady Boundary Layer in an Annular Low-Pressure Turbine Configuration With Perturbed Inlet

Martin Sinkwitz, Benjamin Winhart, David Engelmann, Francesca di Mare
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2022, 144(1): 011001.
Paper No: TURBO-21-1067
https://doi.org/10.1115/1.4051711
Published Online: September 7, 2021
View Article titled, Time-Resolved Measurements of the Unsteady Boundary Layer in an Annular Low-Pressure Turbine Configuration With Perturbed Inlet
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Topics: Blades, Boundary layers, Flow (Dynamics), Inflow, Pressure, Suction, Turbines, Turbulence, Wakes, Sensors
Proceedings Papers

Time-Resolved Measurements of the Unsteady Boundary Layer in an Annular Low-Pressure Turbine Configuration With Perturbed Inlet

Martin Sinkwitz, Benjamin Winhart, David Engelmann, Francesca di Mare
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A026, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15319
https://doi.org/10.1115/GT2020-15319
View Paper titled, Time-Resolved Measurements of the Unsteady Boundary Layer in an Annular Low-Pressure Turbine Configuration With Perturbed Inlet
Open the PDF for Time-Resolved Measurements of the Unsteady Boundary Layer in an Annular Low-Pressure Turbine Configuration With Perturbed Inlet in another window
Topics: Boundary layers, Pressure, Turbines, Flow (Dynamics), Blades, Inflow, Stators, Wakes, Emission spectroscopy, Sensors
Journal Articles

On the Periodically Unsteady Interaction of Wakes, Secondary Flow Development, and Boundary Layer Flow in An Annular Low-Pressure Turbine Cascade: An Experimental Investigation

Martin Sinkwitz, Benjamin Winhart, David Engelmann, Francesca di Mare, Ronald Mailach
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. September 2019, 141(9): 091001.
Paper No: TURBO-19-1015
https://doi.org/10.1115/1.4043577
Published Online: May 23, 2019
View Article titled, On the Periodically Unsteady Interaction of Wakes, Secondary Flow Development, and Boundary Layer Flow in An Annular Low-Pressure Turbine Cascade: An Experimental Investigation
Open the PDF for On the Periodically Unsteady Interaction of Wakes, Secondary Flow Development, and Boundary Layer Flow in An Annular Low-Pressure Turbine Cascade: An Experimental Investigation in another window
Topics: Blades, Boundary layers, Flow (Dynamics), Pressure, Stators, Wakes, Suction, Turbines
Journal Articles

Experimental and Numerical Investigation of Secondary Flow Structures in an Annular Low Pressure Turbine Cascade Under Periodic Wake Impact—Part 1: Experimental Results

Martin Sinkwitz, Benjamin Winhart, David Engelmann, Francesca di Mare, Ronald Mailach
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. February 2019, 141(2): 021008.
Paper No: TURBO-18-1035
https://doi.org/10.1115/1.4042284
Published Online: January 31, 2019
View Article titled, Experimental and Numerical Investigation of Secondary Flow Structures in an Annular Low Pressure Turbine Cascade Under Periodic Wake Impact—Part 1: Experimental Results
Open the PDF for Experimental and Numerical Investigation of Secondary Flow Structures in an Annular Low Pressure Turbine Cascade Under Periodic Wake Impact—Part 1: Experimental Results in another window
Topics: Blades, Flow (Dynamics), Pressure, Stators, Wakes, Turbines
Journal Articles

Experimental and Numerical Investigation of Secondary Flow Structures in an Annular Low Pressure Turbine Cascade Under Periodic Wake Impact—Part 2: Numerical Results

Benjamin Winhart, Martin Sinkwitz, Andreas Schramm, David Engelmann, Francesca di Mare, Ronald Mailach
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. February 2019, 141(2): 021009.
Paper No: TURBO-18-1033
https://doi.org/10.1115/1.4042283
Published Online: January 31, 2019
View Article titled, Experimental and Numerical Investigation of Secondary Flow Structures in an Annular Low Pressure Turbine Cascade Under Periodic Wake Impact—Part 2: Numerical Results
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Topics: Flow (Dynamics), Pressure, Vortices, Wakes, Turbines, Blades
Proceedings Papers

On the Periodically Unsteady Interaction of Wakes, Secondary Flow Development and Boundary Layer Flow in an Annular LPT Cascade: Part 1 — Experimental Investigation

Martin Sinkwitz, Benjamin Winhart, David Engelmann, Francesca di Mare, Ronald Mailach
Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT45A030, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76802
https://doi.org/10.1115/GT2018-76802
View Paper titled, On the Periodically Unsteady Interaction of Wakes, Secondary Flow Development and Boundary Layer Flow in an Annular LPT Cascade: Part 1 — Experimental Investigation
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Topics: Boundary layers, Cascades (Fluid dynamics), Flow (Dynamics), Wakes, Blades, Displacement, Geometry, Radial flow, Reynolds number, Rotors
Proceedings Papers

On the Periodically Unsteady Interaction of Wakes, Secondary Flow Development and Boundary Layer Flow in an Annular LPT Cascade: Part 2 — Numerical Investigation

Benjamin Winhart, Martin Sinkwitz, David Engelmann, Francesca di Mare, Ronald Mailach
Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT45A033, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76873
https://doi.org/10.1115/GT2018-76873
View Paper titled, On the Periodically Unsteady Interaction of Wakes, Secondary Flow Development and Boundary Layer Flow in an Annular LPT Cascade: Part 2 — Numerical Investigation
Open the PDF for On the Periodically Unsteady Interaction of Wakes, Secondary Flow Development and Boundary Layer Flow in an Annular LPT Cascade: Part 2 — Numerical Investigation in another window
Topics: Boundary layers, Cascades (Fluid dynamics), Flow (Dynamics), Wakes, Blades, Dynamics (Mechanics), Engineering simulation, Frequency-domain analysis, Pressure, Principal component analysis
Proceedings Papers

Experimental Investigation of Periodically Unsteady Wake Impact on the Secondary Flow in a 1.5 Stage Full Annular LPT Cascade With Modified T106 Blading

Martin Sinkwitz, David Engelmann, Ronald Mailach
Proc. ASME. GT2017, Volume 2A: Turbomachinery, V02AT40A024, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64390
https://doi.org/10.1115/GT2017-64390
View Paper titled, Experimental Investigation of Periodically Unsteady Wake Impact on the Secondary Flow in a 1.5 Stage Full Annular LPT Cascade With Modified T106 Blading
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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Wakes, Stators, Turbines, Blades, Boundary layers, Disks, Flow separation, Pressure
Proceedings Papers

Prediction of Heat Transfer for a Highly Loaded Transonic Turbine Guide Vane With the Usage of a GPU Based 3D RANS Solver

Marwick Sembritzky, Derek Micallef, David Engelmann
Proc. ASME. GT2017, Volume 5B: Heat Transfer, V05BT22A006, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63581
https://doi.org/10.1115/GT2017-63581
View Paper titled, Prediction of Heat Transfer for a Highly Loaded Transonic Turbine Guide Vane With the Usage of a GPU Based 3D RANS Solver
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Topics: Graphics processing units, Guide vanes, Heat transfer, Reynolds-averaged Navier–Stokes equations, Turbines, Pressure, Computational fluid dynamics, Heat flux, Turbulence, Blades
Proceedings Papers

Losses of Steam Admission in Industrial Steam Turbines Depending on Geometrical Parameters

David Engelmann, Andreas Schramm, Thomas Polklas, Ronald Mailach
Proc. ASME. GT2014, Volume 1B: Marine; Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V01BT27A003, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25172
https://doi.org/10.1115/GT2014-25172
View Paper titled, Losses of Steam Admission in Industrial Steam Turbines Depending on Geometrical Parameters
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Topics: Steam, Steam turbines, Flow (Dynamics), Turbines, Junctions, Computation, Computational fluid dynamics, Deflection, Design, Pipes
Proceedings Papers

Influence of Shroud Cavity Jet and Steam Admission Through a Circumferential Slot on the Flow Field in a Steam Turbine

David Engelmann, Tobias J. Kalkkuhl, Thomas Polklas, Ronald Mailach
Proc. ASME. GT2012, Volume 6: Oil and Gas Applications; Concentrating Solar Power Plants; Steam Turbines; Wind Energy, 433-442, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-68465
https://doi.org/10.1115/GT2012-68465
View Paper titled, Influence of Shroud Cavity Jet and Steam Admission Through a Circumferential Slot on the Flow Field in a Steam Turbine
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Topics: Cavities, Flow (Dynamics), Pressure, Steam, Steam turbines
Proceedings Papers

Numerical Analysis of Partial Admission Flow in an Industrial Steam Turbine

Tobias J. Kalkkuhl, David Engelmann, Ulrich Harbecke, Ronald Mailach
Proc. ASME. GT2012, Volume 6: Oil and Gas Applications; Concentrating Solar Power Plants; Steam Turbines; Wind Energy, 443-453, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-68482
https://doi.org/10.1115/GT2012-68482
View Paper titled, Numerical Analysis of Partial Admission Flow in an Industrial Steam Turbine
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Topics: Flow (Dynamics), Numerical analysis, Steam turbines, Simulation, Annulus, Turbines, Blades, Computational fluid dynamics, Rotors, Boundary-value problems