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Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T06A019, September 21–25, 2020

Paper No: GT2020-15397

DOI: https://doi.org/10.1115/GT2020-15397

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Topics: Aircraft engines, Aviation, Composite materials, Cycles, Engines, Pistons, Steam

Proceedings Papers

Numerical Investigation of an In-Wall Cooling Design Approach for Improved Thermal Efficiency of Additively Manufactured Gas Turbine Ring Segments

Thomas Wimmer, York Mick, Bernhard Weigand

Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A009, September 21–25, 2020

Paper No: GT2020-14511

DOI: https://doi.org/10.1115/GT2020-14511

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Topics: Additive manufacturing, Cooling, Design, Gas turbines, Thermal efficiency, Heat, Temperature, Wall thickness, Combustion, Industrial gases

Proceedings Papers

Electrokinetic Transport of Power Law Fluid Through a Micro-Channel With Hydrodynamic Slippage

Ainul Haque, Ameeya Kumar Nayak, Bernhard Weigand

Proc. ASME. AJKFluids2019, Volume 4: Fluid Measurement and Instrumentation; Micro and Nano Fluid Dynamics, V004T06A013, July 28–August 1, 2019

Paper No: AJKFluids2019-4848

DOI: https://doi.org/10.1115/AJKFluids2019-4848

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Topics: Electrokinetics, Entropy, Fluids, Heating, Joules, Microchannels, Non-Newtonian fluids

Proceedings Papers

Experimental and Numerical Investigation on an Additively Manufactured Gas Turbine Ring Segment With an In-Wall Cooling Scheme

Thomas Wimmer, Tobias Ruehmer, York Mick, Lieke Wang, Bernhard Weigand

Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT21A001, June 17–21, 2019

Paper No: GT2019-90227

DOI: https://doi.org/10.1115/GT2019-90227

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Topics: Additive manufacturing, Cooling, Gas turbines, Engines, Boundary-value problems, Flow (Dynamics), Friction, Instrumentation, Manufacturing, Performance evaluation

Journal Articles

Heat Transfer and Turbulent Flow Structure in Channels With Miniature V-Shaped Rib-Dimple Hybrid Structures on One Wall

Peng Zhang, Yu Rao, Yanlin Li, Bernhard Weigand

J. Heat Transfer. July 2019, 141(7): 071903.

Paper No: HT-19-1003

DOI: https://doi.org/10.1115/1.4043675

Published Online: May 17, 2019

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Topics: Flow (Dynamics), Heat transfer, Turbulence, Reynolds number, Pressure

Journal Articles

Experimental and Numerical Heat Transfer Investigation of an Impinging Jet Array on a Target Plate Roughened by Cubic Micro Pin Fins

Robin Brakmann, Lingling Chen, Bernhard Weigand, Michael Crawford

J. Turbomach. November 2016, 138(11): 111010.

Paper No: TURBO-16-1087

DOI: https://doi.org/10.1115/1.4033670

Published Online: June 28, 2016

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Topics: Computational fluid dynamics, Fins, Flow (Dynamics), Heat transfer, Reynolds number, Jets, Boundary-value problems, Temperature, Turbulence

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

Proceedings Papers

Second Law Analysis of Thermodynamic Cycles for Aero Engines

Eva Kerber, Bernhard Weigand, Florian Schmidt, Stephan Staudacher

Proc. ASME. GT2015, Volume 1: Aircraft Engine; Fans and Blowers; Marine, V001T01A022, June 15–19, 2015

Paper No: GT2015-43295

DOI: https://doi.org/10.1115/GT2015-43295

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Topics: Aircraft engines, Thermodynamic cycles, Cycles, Entropy, Compression, Heat, Heat transfer, Exergy, Gas turbines, Thermal efficiency

Proceedings Papers

Experimental and Numerical Heat Transfer Investigation of an Impinging Jet Array on a Target Plate Roughened by Cubic Micro Pin Fins

Robin Brakmann, Lingling Chen, Bernhard Weigand, Michael Crawford

Proc. ASME. GT2015, Volume 5A: Heat Transfer, V05AT11A002, June 15–19, 2015

Paper No: GT2015-42149

DOI: https://doi.org/10.1115/GT2015-42149

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Topics: Fins, Heat transfer, Computer simulation, Pressure, Temperature, Transients (Dynamics), Boundary-value problems, Computational fluid dynamics, Computer software, Fluid mechanics

Journal Articles

Experimental and Numerical Study of Heat Transfer and Flow Friction in Channels With Dimples of Different Shapes

Yu Rao, Yan Feng, Bo Li, Bernhard Weigand

J. Heat Transfer. March 2015, 137(3): 031901.

Paper No: HT-14-1353

DOI: https://doi.org/10.1115/1.4029036

Published Online: March 1, 2015

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Topics: Flow (Dynamics), Friction, Heat transfer, Shapes, Turbulence, Reynolds number

Proceedings Papers

The GT24/26 Low Pressure Turbine

Ian K. Jennions, Thomas Sommer, Bernhard Weigand, Manfred Aigner

Proc. ASME. GT1998, Volume 1: Turbomachinery, V001T01A008, June 2–5, 1998

Paper No: 98-GT-029

DOI: https://doi.org/10.1115/98-GT-029

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Topics: Pressure, Turbines, Design, Flow (Dynamics), Combustion chambers, Airfoils, Blades, Compressors, Cooling, Databases

Proceedings Papers

Impingement Cooling Experiments With Flat Plate and Pin Plate Target Surfaces

Rainer Hoecker, Bruce V. Johnson, Josef Hausladen, Matthias Rothbrust, Bernhard Weigand

Proc. ASME. GT1999, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A070, June 7–10, 1999

Paper No: 99-GT-252

DOI: https://doi.org/10.1115/99-GT-252

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Topics: Flat plates, Impingement cooling, Copper, Heat transfer, Heat transfer coefficients, Pins (Engineering), Reynolds number, Coolants, Engines, Fins

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

Proceedings Papers

Turbine Endwall Contouring for the Reduction of Endwall Heat Transfer Using the Ice Formation Method Along With Computational Fluid Dynamics

Sven Winkler, Kristian Haase, Janosch Brucker, Bernhard Weigand

Proc. ASME. GT2014, Volume 5B: Heat Transfer, V05BT14A006, June 16–20, 2014

Paper No: GT2014-25655

DOI: https://doi.org/10.1115/GT2014-25655

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Topics: Computational fluid dynamics, Heat transfer, Ice, Turbines, Flow (Dynamics), Temperature, Airfoils, Design, Engineering simulation, Gas turbines

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

Three Components- and Tomographic-PIV Measurements of a Cyclone Cooling Flow in a Swirl Tube

Christoph Biegger, Bernhard Weigand, Alice Cabitza

Proc. ASME. GT2013, Volume 3A: Heat Transfer, V03AT12A012, June 3–7, 2013

Paper No: GT2013-94424

DOI: https://doi.org/10.1115/GT2013-94424

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Topics: Cooling, Flow (Dynamics), Vortices, Particulate matter, Axial flow, Ducts, Heat transfer, Reynolds number, Statistical analysis, Turbine blades

2 3

Journal citation

NARROW

Particulate Deposition Effects on Internal Swirl Cooling of Turbine Blades

Aero Engine Concepts Beyond 2030: Part 3—Experimental Demonstration of Technological Feasibility

Aero Engine Concepts Beyond 2030: Part 3 — Experimental Demonstration of Technological Feasibility

Numerical Investigation of an In-Wall Cooling Design Approach for Improved Thermal Efficiency of Additively Manufactured Gas Turbine Ring Segments

Electrokinetic Transport of Power Law Fluid Through a Micro-Channel With Hydrodynamic Slippage

Experimental and Numerical Investigation on an Additively Manufactured Gas Turbine Ring Segment With an In-Wall Cooling Scheme

Heat Transfer and Turbulent Flow Structure in Channels With Miniature V-Shaped Rib-Dimple Hybrid Structures on One Wall

Experimental and Numerical Heat Transfer Investigation of an Impinging Jet Array on a Target Plate Roughened by Cubic Micro Pin Fins

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

Second Law Analysis of Thermodynamic Cycles for Aero Engines

Experimental and Numerical Heat Transfer Investigation of an Impinging Jet Array on a Target Plate Roughened by Cubic Micro Pin Fins

Experimental and Numerical Study of Heat Transfer and Flow Friction in Channels With Dimples of Different Shapes

The GT24/26 Low Pressure Turbine

Impingement Cooling Experiments With Flat Plate and Pin Plate Target Surfaces

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

Turbine Endwall Contouring for the Reduction of Endwall Heat Transfer Using the Ice Formation Method Along With Computational Fluid Dynamics

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

Three Components- and Tomographic-PIV Measurements of a Cyclone Cooling Flow in a Swirl Tube

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