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Proceedings Papers

Heat Transfer and Flow Visualization of Equilaterally Staggered Jet Arrangement on a Flat Surface

Alankrita Singh, B. V. S. S. S. Prasad
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A002, September 21–25, 2020
Paper No: GT2020-14196
https://doi.org/10.1115/GT2020-14196
View Paper titled, Heat Transfer and Flow Visualization of Equilaterally Staggered Jet Arrangement on a Flat Surface
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Topics: Flow visualization, Heat transfer
Proceedings Papers

Unsteady Analysis of Heat Transfer Coefficient Distribution in a Static Ribbed Channel for an Established Flow

Aurélien Perrot, Laurent Gicquel, Florent Duchaine, Nicolas Odier, Jérôme Dombard, Thomas Grosnickel
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A007, September 21–25, 2020
Paper No: GT2020-14493
https://doi.org/10.1115/GT2020-14493
View Paper titled, Unsteady Analysis of Heat Transfer Coefficient Distribution in a Static Ribbed Channel for an Established Flow
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Topics: Flow (Dynamics), Heat transfer coefficients, Computational fluid dynamics, Temperature, Turbulence, Convection, Large eddy simulation, Spectral energy distribution, Statistical analysis, Turbine blades
Proceedings Papers

Heat Transfer and Pressure Loss in a Two-Pass, Rectangular Channel Featuring a Reduced Cross-Sectional Area After the 180-Degree Tip Turn With Different Turning Vane Configurations

Sulaiman M. Alsaleem, Lesley M. Wright, Je-Chin Han
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A008, September 21–25, 2020
Paper No: GT2020-14510
https://doi.org/10.1115/GT2020-14510
View Paper titled, Heat Transfer and Pressure Loss in a Two-Pass, Rectangular Channel Featuring a Reduced Cross-Sectional Area After the 180-Degree Tip Turn With Different Turning Vane Configurations
Open the PDF for Heat Transfer and Pressure Loss in a Two-Pass, Rectangular Channel Featuring a Reduced Cross-Sectional Area After the 180-Degree Tip Turn With Different Turning Vane Configurations in another window
Topics: Heat transfer, Pressure, Turning vanes, Cooling, Flow (Dynamics), Design, Pressure drop, Reynolds number, Blades, Gas turbines
Proceedings Papers

Effects of Attack Angle and Relative Thickness of Novel Wing-Shaped Turbulators on Turbulent Hydrothermal Performance in a Two-Pass Square Channel

Tong-Miin Liou, Chieh-Chu Chen, Chun-Sheng Wang
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A003, September 21–25, 2020
Paper No: GT2020-14377
https://doi.org/10.1115/GT2020-14377
View Paper titled, Effects of Attack Angle and Relative Thickness of Novel Wing-Shaped Turbulators on Turbulent Hydrothermal Performance in a Two-Pass Square Channel
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Topics: Thermography, Turbulence, Wings
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
https://doi.org/10.1115/GT2020-14511
View Paper titled, Numerical Investigation of an In-Wall Cooling Design Approach for Improved Thermal Efficiency of Additively Manufactured Gas Turbine Ring Segments
Open the PDF for Numerical Investigation of an In-Wall Cooling Design Approach for Improved Thermal Efficiency of Additively Manufactured Gas Turbine Ring Segments in another window
Topics: Additive manufacturing, Cooling, Design, Gas turbines, Thermal efficiency, Heat, Temperature, Wall thickness, Combustion, Industrial gases
Proceedings Papers

Development and Application of an Internal Heat-Transfer Measurement Technique for Cooled Real Engine Components

Asif Ali, Lorenzo Cocchi, Alessio Picchi, Bruno Facchini, Simone Cubeda
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A004, September 21–25, 2020
Paper No: GT2020-14380
https://doi.org/10.1115/GT2020-14380
View Paper titled, Development and Application of an Internal Heat-Transfer Measurement Technique for Cooled Real Engine Components
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Topics: Engines, Heat transfer, Transients (Dynamics)
Proceedings Papers

An Experimentally Validated Low Order Model of the Thermal Response of Double-Wall Effusion Cooling Systems for HP Turbine Blades

Alexander V. Murray, Peter T. Ireland, Eduardo Romero
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A010, September 21–25, 2020
Paper No: GT2020-14603
https://doi.org/10.1115/GT2020-14603
View Paper titled, An Experimentally Validated Low Order Model of the Thermal Response of Double-Wall Effusion Cooling Systems for HP Turbine Blades
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Topics: Boundary-value problems, Computational fluid dynamics, Cooling, Cooling systems, Design, Engineering simulation, Fluids, Gases, Geometry, Heat transfer coefficients
Proceedings Papers

Heat Transfer in Rotating, Trailing Edge, Converging Channels With Smooth Walls and Pin-Fins

Izzet Sahin, I-Lun Chen, Lesley M. Wright, Je-Chin Han, Hongzhou Xu, Michael Fox
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A005, September 21–25, 2020
Paper No: GT2020-14440
https://doi.org/10.1115/GT2020-14440
View Paper titled, Heat Transfer in Rotating, Trailing Edge, Converging Channels With Smooth Walls and Pin-Fins
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Topics: Fins, Heat transfer, Rotation, Pressure drop, Reynolds number, Cooling, Flow (Dynamics), Heat transfer coefficients, Copper, Geometry
Proceedings Papers

Heat Transfer of Impinging Jet-Row Onto Trapezoidal Channel With Different Effusion and Discharge Conditions

Shyy Woei Chang, Pei-An Chiang, Wei Ling Cai
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A001, September 21–25, 2020
Paper No: GT2020-14042
https://doi.org/10.1115/GT2020-14042
View Paper titled, Heat Transfer of Impinging Jet-Row Onto Trapezoidal Channel With Different Effusion and Discharge Conditions
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Topics: Cooling, Heat transfer, Jets, Air flow, Flow (Dynamics), Reynolds number, Blades, Cavities, Channel flow, Gas turbines
Proceedings Papers

Flow and Heat Transfer in a Ribbed Channel With Complex Structure Characters

Yu chao Liu, Tao Guo, Zong yu Han, Hui ren Zhu
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A012, September 21–25, 2020
Paper No: GT2020-14738
https://doi.org/10.1115/GT2020-14738
View Paper titled, Flow and Heat Transfer in a Ribbed Channel With Complex Structure Characters
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Topics: Flow (Dynamics), Heat transfer
Proceedings Papers

High-Fidelity Simulations of Multi-Jet Impingement Cooling Flows

J. Javier Otero-Pérez, Richard D. Sandberg, Satoshi Mizukami, Koichi Tanimoto
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A011, September 21–25, 2020
Paper No: GT2020-14728
https://doi.org/10.1115/GT2020-14728
View Paper titled, High-Fidelity Simulations of Multi-Jet Impingement Cooling Flows
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Topics: Engineering simulation, Flow (Dynamics), Impingement cooling, Simulation, Cross-flow, Heat transfer, Turbulence, Inflow, Computer simulation, Deflection
Proceedings Papers

Impact of Additive Manufacturing on Internal Cooling Channels With Varying Diameters and Build Directions

Alexander J. Wildgoose, Karen A. Thole, Paul Sanders, Lieke Wang
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A017, September 21–25, 2020
Paper No: GT2020-15049
https://doi.org/10.1115/GT2020-15049
View Paper titled, Impact of Additive Manufacturing on Internal Cooling Channels With Varying Diameters and Build Directions
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Topics: Additive manufacturing, Cooling, Surface roughness, Design, Friction, Pressure, Boundary-value problems, Gas turbines, Heat transfer, Lasers
Proceedings Papers

Three-Dimensional Fluid Topology Optimization and Validation of a Heat Exchanger With Turbulent Flow

M. Pietropaoli, A. Gaymann, F. Montomoli
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A006, September 21–25, 2020
Paper No: GT2020-14479
https://doi.org/10.1115/GT2020-14479
View Paper titled, Three-Dimensional Fluid Topology Optimization and Validation of a Heat Exchanger With Turbulent Flow
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Topics: Fluids, Heat exchangers, Optimization, Topology, Turbulence, Heat transfer, Design, Ducts, Geometry, Coolants
Proceedings Papers

Mechanism of Novel Streamlined Roughness Element Enhancing the Flow and Heat Transfer Performance From Arrays of Impinging Jets

Zhuang Wu, Hui-ren Zhu, Cun-liang Liu, Lin Li, Qiang Gao, Zheng Zhang
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A013, September 21–25, 2020
Paper No: GT2020-14747
https://doi.org/10.1115/GT2020-14747
View Paper titled, Mechanism of Novel Streamlined Roughness Element Enhancing the Flow and Heat Transfer Performance From Arrays of Impinging Jets
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Topics: Discharge coefficient, Flow (Dynamics), Heat transfer, Jets, Surface roughness
Proceedings Papers

An Experimental and Numerical Investigation of the Three-Dimensional Flow Field and Heat Transfer of a Row of Impinging Jets

Simla Saglam, Robert Krewinkel, Clemens Domnick, Ken-Ichiro Takeishi
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A027, September 21–25, 2020
Paper No: GT2020-15966
https://doi.org/10.1115/GT2020-15966
View Paper titled, An Experimental and Numerical Investigation of the Three-Dimensional Flow Field and Heat Transfer of a Row of Impinging Jets
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Topics: Computational fluid dynamics, Flow (Dynamics), Heat transfer, Impingement cooling, Jets, Gas turbines, Design, Design methodology, Energy budget (Physics), Engineering systems and industry applications
Proceedings Papers

Parametric Study on Micro-Roughness Shapes for Enhanced Jet Impingement Heat Transfer

Ramaswamy Devakottai, Srivatsan Madhavan, Prashant Singh, Srinath V. Ekkad
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A018, September 21–25, 2020
Paper No: GT2020-15051
https://doi.org/10.1115/GT2020-15051
View Paper titled, Parametric Study on Micro-Roughness Shapes for Enhanced Jet Impingement Heat Transfer
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Topics: Heat transfer, Shapes, Surface roughness
Proceedings Papers

Investigation of Endwall Heat Transfer in Staggered Pin Fin Arrays

Marcel Otto, Gaurav Gupta, Patrick Tran, Shinjan Ghosh, Jayanta Kapat
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A022, September 21–25, 2020
Paper No: GT2020-15303
https://doi.org/10.1115/GT2020-15303
View Paper titled, Investigation of Endwall Heat Transfer in Staggered Pin Fin Arrays
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Topics: Heat transfer
Proceedings Papers

Multi-Jet Impingement Heat Transfer With a Dimple-Pimple Patterned Jet Plate

Husam Zawati, Gaurav Gupta, Yakym Khlyapov, Erik Fernandez, Jayanta Kapat, Megan Schaenzer, Jose Rodriguez
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A032, September 21–25, 2020
Paper No: GT2020-16102
https://doi.org/10.1115/GT2020-16102
View Paper titled, Multi-Jet Impingement Heat Transfer With a Dimple-Pimple Patterned Jet Plate
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Topics: Heat transfer
Proceedings Papers

Effect of Ribs on Heat Transfer and Pressure Drop in a U-Bend Channel With Double-Layer, Dome-Shaped Turning Vanes

Bin Wu, Xing Yang, Zhao Liu, Zhenping Feng
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A028, September 21–25, 2020
Paper No: GT2020-15980
https://doi.org/10.1115/GT2020-15980
View Paper titled, Effect of Ribs on Heat Transfer and Pressure Drop in a U-Bend Channel With Double-Layer, Dome-Shaped Turning Vanes
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Topics: Domes (Structural elements), Heat transfer, Pressure drop, Turning vanes
Proceedings Papers

Experimental and Numerical Study of Array Jet Impingement Cooling on a Leading-Edge Curved Surface

Jorge Torres, Husam Zawati, Erik Fernandez, Jayanta Kapat, Jose Rodriguez
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A014, September 21–25, 2020
Paper No: GT2020-14810
https://doi.org/10.1115/GT2020-14810
View Paper titled, Experimental and Numerical Study of Array Jet Impingement Cooling on a Leading-Edge Curved Surface
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Topics: Cooling, Copper, Flow (Dynamics), Heat transfer, Impingement cooling, Jets, Particulate matter, Pressure, Reynolds number, Reynolds-averaged Navier–Stokes equations