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Proceedings Papers

Comparison of Experimental and Numerical Local Rotational Heat Transfer Effects in a Two-Pass Cooling Channel Configuration

David Gutiérrez de Arcos, Christian Waidmann, Rico Poser, Jens von Wolfersdorf, Bernhard Jäppelt

Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A008, June 13–17, 2022

Paper No: GT2022-79846

DOI: https://doi.org/10.1115/GT2022-79846

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Topics: Cooling, Heat transfer, Rotation, Computer simulation, Liquid crystals, Reynolds number, Steady state, Temperature measurement, Transients (Dynamics)

Proceedings Papers

Experimental Investigation of Local Heat Transfer in a Rotating Two-Pass Cooling Channel Using the Transient Thermochromic Liquid Crystal (TLC) Technique

Christian Waidmann, Rico Poser, David Gutiérrez de Arcos, Michael Göhring, Jens von Wolfersdorf, Klaus Semmler, Bernhard Jäppelt

Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A009, June 13–17, 2022

Paper No: GT2022-81291

DOI: https://doi.org/10.1115/GT2022-81291

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Topics: Cooling, Heat transfer, Liquid crystals, Transients (Dynamics), Flow (Dynamics), Fluids, Temperature, Evaluation methods, Fluid pressure, Glass

Journal Articles

Heat Transfer Measurements Using Multiple Thermochromic Liquid Crystals in Symmetric Cooling Channels

Tobias Krille, Stefan Retzko, Rico Poser, Jens von Wolfersdorf

J. Turbomach. August 2021, 143(8): 081005.

Paper No: TURBO-20-1352

DOI: https://doi.org/10.1115/1.4050436

Published Online: April 26, 2021

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Topics: Cooling, Fluids, Temperature, Heat transfer coefficients, Heat transfer, Flow (Dynamics)

Proceedings Papers

Heat Transfer Measurements Using Multiple Thermochromic Liquid Crystals in Symmetric Cooling Channels

Tobias Krille, Stefan Retzko, Rico Poser, Jens von Wolfersdorf

Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A037, September 21–25, 2020

Paper No: GT2020-16271

DOI: https://doi.org/10.1115/GT2020-16271

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Topics: Cooling, Heat transfer, Liquid crystals, Heat transfer coefficients, Temperature, Computer simulation, Engines, Flow (Dynamics), Fluids, Measurement uncertainty

Journal Articles

Application of the Transient Heat Transfer Measurement Technique Using Thermochromic Liquid Crystals in a Network Configuration With Intersecting Circular Passages

Anika Steurer, Rico Poser, Jens von Wolfersdorf, Stefan Retzko

J. Turbomach. May 2019, 141(5): 051010.

Paper No: TURBO-18-1261

DOI: https://doi.org/10.1115/1.4041807

Published Online: January 25, 2019

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Topics: Flow (Dynamics), Fluids, Temperature, Liquid crystals, Steady state, Transients (Dynamics), Computational fluid dynamics

Proceedings Papers

Application of the Transient Heat Transfer Measurement Technique Using TLC in a Network Configuration With Intersecting Circular Passages

Anika Steurer, Rico Poser, Jens von Wolfersdorf, Stefan Retzko

Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT16A010, June 11–15, 2018

Paper No: GT2018-76551

DOI: https://doi.org/10.1115/GT2018-76551

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Topics: Cooling, Engineering simulation, Evaluation methods, Flow (Dynamics), Fluids, Geometry, Heat transfer, Heat transfer coefficients, Liquid crystals, Reynolds-averaged Navier–Stokes equations

Proceedings Papers

Numerical Investigation of Transient Heat Transfer Experiments Under Rotation

Michael Goehring, Christopher Hartmann, Jens von Wolfersdorf

Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT11A011, June 11–15, 2018

Paper No: GT2018-76497

DOI: https://doi.org/10.1115/GT2018-76497

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Topics: Rotation, Transient heat transfer, Buoyancy, Engineering simulation, Heat, Simulation, Transients (Dynamics), Wall temperature, Cooling, Density

Journal Articles

Aerothermal Investigation of a Single Row Divergent Narrow Impingement Channel by Particle Image Velocimetry and Liquid Crystal Thermography

Alexandros Terzis, Christoforos Skourides, Peter Ott, Jens von Wolfersdorf, Bernhard Weigand

J. Turbomach. May 2016, 138(5): 051003.

Paper No: TURBO-15-1141

DOI: https://doi.org/10.1115/1.4032328

Published Online: January 20, 2016

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Topics: Flow (Dynamics), Heat transfer, Jets, Liquid crystals, Particulate matter, Thermography, Reynolds number

Journal Articles

An Experimental and Numerical Investigation on the Effects of Aerothermal Mixing in a Confined Oblique Jet Impingement Configuration

Sebastian Schulz, Alexander Schindler, Jens von Wolfersdorf

J. Turbomach. April 2016, 138(4): 041007.

Paper No: TURBO-15-1216

DOI: https://doi.org/10.1115/1.4032022

Published Online: January 5, 2016

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Topics: Computational fluid dynamics, Flow (Dynamics), Fluids, Geometry, Jets, Temperature, Turbulence, Simulation, Wall temperature, Steady state

Journal Articles

Improved Accuracy in Jet Impingement Heat Transfer Experiments Considering the Layer Thicknesses of a Triple Thermochromic Liquid Crystal Coating

Alexandros Terzis, Stavros Bontitsopoulos, Peter Ott, Jens von Wolfersdorf, Anestis I. Kalfas

J. Turbomach. February 2016, 138(2): 021003.

Paper No: TURBO-15-1094

DOI: https://doi.org/10.1115/1.4031786

Published Online: November 3, 2015

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Topics: Coatings, Heat transfer, Heat transfer coefficients, Temperature, Uncertainty, Flow (Dynamics), Liquid crystals, Calibration

Journal Articles

Application of the Transient Heat Transfer Measurement Technique in a Low Aspect Ratio Pin Fin Cooling Channel

Meriam Axtmann, Jens von Wolfersdorf, Georg Meyer

J. Turbomach. December 2015, 137(12): 121006.

Paper No: TURBO-15-1151

DOI: https://doi.org/10.1115/1.4031267

Published Online: September 23, 2015

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Topics: Cooling, Fluids, Heat transfer, Temperature, Thermocouples, Transients (Dynamics), Inertia (Mechanics), Transient heat transfer, Temperature measurement, Temperature distribution

Proceedings Papers

Application of the Transient Heat Transfer Measurement Technique in a Low Aspect Ratio Pin Fin Cooling Channel

Meriam Axtmann, Jens von Wolfersdorf, Georg Meyer

Proc. ASME. GT2015, Volume 5A: Heat Transfer, V05AT11A001, June 15–19, 2015

Paper No: GT2015-42085

DOI: https://doi.org/10.1115/GT2015-42085

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Topics: Cooling, Transient heat transfer, Thermocouples, Heat transfer, Temperature, Temperature distribution, Temperature measurement, Transients (Dynamics), Ducts, Fluids

Proceedings Papers

An Experimental and Numerical Investigation on the Effects of Aerothermal Mixing in a Confined Oblique Jet Impingement Configuration

Sebastian Schulz, Alexander Schindler, Jens von Wolfersdorf

Proc. ASME. GT2015, Volume 5A: Heat Transfer, V05AT11A004, June 15–19, 2015

Paper No: GT2015-42286

DOI: https://doi.org/10.1115/GT2015-42286

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Topics: Engineering simulation, Flow (Dynamics), Fluids, Geometry, Jets, Kinetic energy, Liquid crystals, Particulate matter, Reynolds number, Reynolds-averaged Navier–Stokes equations

Proceedings Papers

Detailed Heat Transfer Distributions of Narrow Impingement Channels With Varying Jet Diameter

Alexandros Terzis, Magali Cochet, Jens von Wolfersdorf, Bernhard Weigand, Peter Ott

Proc. ASME. GT2014, Volume 5A: Heat Transfer, V05AT12A028, June 16–20, 2014

Paper No: GT2014-25910

DOI: https://doi.org/10.1115/GT2014-25910

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Topics: Heat transfer, Airfoils, Coolants, Cooling, Design, Discharge coefficient, Geometry, Heat transfer coefficients, Jets, Liquid crystals

Journal Articles

Effect of Varying Jet Diameter on the Heat Transfer Distributions of Narrow Impingement Channels

Alexandros Terzis, Peter Ott, Magali Cochet, Jens von Wolfersdorf, Bernhard Weigand

J. Turbomach. February 2015, 137(2): 021004.

Paper No: TURBO-14-1155

DOI: https://doi.org/10.1115/1.4028294

Published Online: September 10, 2014

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Topics: Heat transfer, Jets, Flow (Dynamics), Heat transfer coefficients, Liquid crystals

Journal Articles

Detailed Heat Transfer Distributions of Narrow Impingement Channels for Cast-In Turbine Airfoils

Alexandros Terzis, Peter Ott, Jens von Wolfersdorf, Bernhard Weigand, Magali Cochet

J. Turbomach. September 2014, 136(9): 091011.

Paper No: TURBO-13-1228

DOI: https://doi.org/10.1115/1.4027679

Published Online: June 3, 2014

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Topics: Heat transfer, Heat transfer coefficients, Flow (Dynamics), Liquid crystals, Turbines, Airfoils

Journal Articles

Hole Staggering Effect on the Cooling Performance of Narrow Impingement Channels Using the Transient Liquid Crystal Technique

Alexandros Terzis, Guillaume Wagner, Jens von Wolfersdorf, Peter Ott, Bernhard Weigand

J. Heat Transfer. July 2014, 136(7): 071701.

Paper No: HT-12-1477

DOI: https://doi.org/10.1115/1.4027250

Published Online: April 8, 2014

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Topics: Cooling, Flow (Dynamics), Heat transfer, Heat transfer coefficients, Jets, Liquid crystals, Temperature, Transients (Dynamics), Turbines, Reynolds number

Proceedings Papers

Combined Experimental/Numerical Method Using Infrared Thermography and Finite Element Analysis for Estimation of Local Heat Transfer Distribution in an Internal Cooling System

Christian Egger, Jens von Wolfersdorf, Martin Schnieder

Proc. ASME. GT2013, Volume 3A: Heat Transfer, V03AT12A045, June 3–7, 2013

Paper No: GT2013-95472

DOI: https://doi.org/10.1115/GT2013-95472

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Topics: Cooling systems, Finite element analysis, Heat transfer, Numerical analysis, Thermography, Temperature, Cooling, Optimization, Simulation, Fluids

Proceedings Papers

A Particle Image Velocimetry-Based Investigation of the Flow Field in an Oblique Jet Impingement Configuration

Sebastian Schulz, Simon Schueren, Jens von Wolfersdorf

Proc. ASME. GT2013, Volume 3A: Heat Transfer, V03AT12A028, June 3–7, 2013

Paper No: GT2013-94780

DOI: https://doi.org/10.1115/GT2013-94780

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Topics: Flow (Dynamics), Particulate matter, Geometry, Computer simulation, Cooling, Turbulence, Dynamics (Mechanics), Emission spectroscopy, Engineering simulation, Fluids

Journal Articles

Combined Experimental/Numerical Method Using Infrared Thermography and Finite Element Analysis for Estimation of Local Heat Transfer Distribution in an Internal Cooling System

Christian Egger, Jens von Wolfersdorf, Martin Schnieder

J. Turbomach. June 2014, 136(6): 061005.

Paper No: TURBO-13-1177

DOI: https://doi.org/10.1115/1.4025731

Published Online: November 8, 2013

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Topics: Fluids, Heat transfer, Optimization, Simulation, Temperature, Cooling, Thermography, Heat conduction, Heat transfer coefficients, Finite element analysis

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Journal citation

NARROW

Comparison of Experimental and Numerical Local Rotational Heat Transfer Effects in a Two-Pass Cooling Channel Configuration

Experimental Investigation of Local Heat Transfer in a Rotating Two-Pass Cooling Channel Using the Transient Thermochromic Liquid Crystal (TLC) Technique

Heat Transfer Measurements Using Multiple Thermochromic Liquid Crystals in Symmetric Cooling Channels

Heat Transfer Measurements Using Multiple Thermochromic Liquid Crystals in Symmetric Cooling Channels

Application of the Transient Heat Transfer Measurement Technique Using Thermochromic Liquid Crystals in a Network Configuration With Intersecting Circular Passages

Application of the Transient Heat Transfer Measurement Technique Using TLC in a Network Configuration With Intersecting Circular Passages

Numerical Investigation of Transient Heat Transfer Experiments Under Rotation

Aerothermal Investigation of a Single Row Divergent Narrow Impingement Channel by Particle Image Velocimetry and Liquid Crystal Thermography

An Experimental and Numerical Investigation on the Effects of Aerothermal Mixing in a Confined Oblique Jet Impingement Configuration

Improved Accuracy in Jet Impingement Heat Transfer Experiments Considering the Layer Thicknesses of a Triple Thermochromic Liquid Crystal Coating

Application of the Transient Heat Transfer Measurement Technique in a Low Aspect Ratio Pin Fin Cooling Channel

Application of the Transient Heat Transfer Measurement Technique in a Low Aspect Ratio Pin Fin Cooling Channel

An Experimental and Numerical Investigation on the Effects of Aerothermal Mixing in a Confined Oblique Jet Impingement Configuration

Detailed Heat Transfer Distributions of Narrow Impingement Channels With Varying Jet Diameter

Effect of Varying Jet Diameter on the Heat Transfer Distributions of Narrow Impingement Channels

Detailed Heat Transfer Distributions of Narrow Impingement Channels for Cast-In Turbine Airfoils

Hole Staggering Effect on the Cooling Performance of Narrow Impingement Channels Using the Transient Liquid Crystal Technique

Combined Experimental/Numerical Method Using Infrared Thermography and Finite Element Analysis for Estimation of Local Heat Transfer Distribution in an Internal Cooling System

A Particle Image Velocimetry-Based Investigation of the Flow Field in an Oblique Jet Impingement Configuration

Combined Experimental/Numerical Method Using Infrared Thermography and Finite Element Analysis for Estimation of Local Heat Transfer Distribution in an Internal Cooling System

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