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Proceedings Papers

Entry Region Heat Transfer Augmentation With Pins, Fins, and Turbulators in Circular Channels

Evan Lundburg, Stephen Lynch, Michael Lyall
Proc. ASME. GT2024, Volume 8: Heat Transfer: Internal Air Systems; Heat Transfer: Internal Cooling; Industrial and Cogeneration, V008T15A010, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123526
https://doi.org/10.1115/GT2024-123526
View Paper titled, Entry Region Heat Transfer Augmentation With Pins, Fins, and Turbulators in Circular Channels
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Topics: Fins, Heat transfer, Pins (Engineering), Boundary layers, Reynolds number, Convection, Heat transfer coefficients, Pressure, Aircraft engines, Entrance region
Proceedings Papers

An Automated Gaussian Process Integrated With Bayesian Optimization Approach to Designing Spline-Based Pin-Fin Arrays

Susheel Dharmadhikari, Reid A. Berdanier, Karen A. Thole, Amrita Basak
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT34A011, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102018
https://doi.org/10.1115/GT2023-102018
View Paper titled, An Automated Gaussian Process Integrated With Bayesian Optimization Approach to Designing Spline-Based Pin-Fin Arrays
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Topics: Design, Optimization, Splines, Fins, Pressure drop, Pressure, Shapes, Additive manufacturing, Cooling, Dynamics (Mechanics)
Proceedings Papers

Comparison of Dirt Deposition on Double-Walled Combustor Liner Geometries

Brandon Fallon, Kyle McFerran, Sarah Fox, Karen A. Thole, Stephen P. Lynch, Ryan Lundgreen, Stephen P. Kramer
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT31A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102635
https://doi.org/10.1115/GT2023-102635
View Paper titled, Comparison of Dirt Deposition on Double-Walled Combustor Liner Geometries
Open the PDF for Comparison of Dirt Deposition on Double-Walled Combustor Liner Geometries in another window
Topics: Combustion chambers, Cooling, Flow (Dynamics), Particulate matter, Slug flows, Gas turbines, Geometry, Heat transfer, Internal flow, Pins (Engineering)
Proceedings Papers

Impacts of Pin Fin Shape and Spacing on Heat Transfer and Pressure Losses

Thomas M. Corbett, Karen A. Thole, Sudhakar Bollapragada
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A022, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82673
https://doi.org/10.1115/GT2022-82673
View Paper titled, Impacts of Pin Fin Shape and Spacing on Heat Transfer and Pressure Losses
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Topics: Heat transfer, Pressure, Shapes, Surface roughness, Pins (Engineering), Accounting, Additive manufacturing, Computerized tomography, Density, Diamonds
Proceedings Papers

Heat Transfer in Rotating, Trailing Edge, Converging Channels With Full and Partial Height Strip-Fins

Izzet Sahin, I-Lun Chen, Lesley M. Wright, Je-Chin Han, Hongzhou Xu, Michael Fox
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A004, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58877
https://doi.org/10.1115/GT2021-58877
View Paper titled, Heat Transfer in Rotating, Trailing Edge, Converging Channels With Full and Partial Height Strip-Fins
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Topics: Fins, Heat transfer, Strips, Rotation, Cooling, Pressure drop, Flow (Dynamics), Heat transfer coefficients, Copper, Design
Proceedings Papers

Blade Damping Mechanisms and Some Recent Failures

Vamadevan Gowreesan, Armando Guzman, Wayne Greaves
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T23A001, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14007
https://doi.org/10.1115/GT2020-14007
View Paper titled, Blade Damping Mechanisms and Some Recent Failures
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Topics: Blades, Damping, Failure, Fatigue, Pins (Engineering), Stress corrosion cracking, Tie rods, Wire
Proceedings Papers

Numerical Investigation on Cooling Air Flow and Resistance Characteristics Inner Laminated Cooling Structures

Wei Song, Huazhao Xu, Xiaofang Cheng, Jianhua Wang
Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT10A012, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-92025
https://doi.org/10.1115/GT2019-92025
View Paper titled, Numerical Investigation on Cooling Air Flow and Resistance Characteristics Inner Laminated Cooling Structures
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Topics: Air flow, Cooling, Density, Flow (Dynamics), Shapes, Film cooling, Pressure, Drag (Fluid dynamics), Fluid dynamics, Gas turbines
Proceedings Papers

Detailed Heat Transfer Coefficient Measurements on a Scaled Realistic Turbine Blade Internal Cooling System

Chao-Cheng Shiau, Andrew F. Chen, Je-Chin Han, Robert Krewinkel
Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT16A001, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90097
https://doi.org/10.1115/GT2019-90097
View Paper titled, Detailed Heat Transfer Coefficient Measurements on a Scaled Realistic Turbine Blade Internal Cooling System
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Topics: Cooling systems, Heat transfer coefficients, Turbine blades, Cooling, Heat transfer, Fins, Additive manufacturing, Blades, Coolants, Design
Proceedings Papers

Vortical Structures in Pin Fin Arrays for Turbine Cooling Applications

Marcel Otto, Justin Hodges, Gaurav Gupta, Jayanta S. Kapat
Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT16A003, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90552
https://doi.org/10.1115/GT2019-90552
View Paper titled, Vortical Structures in Pin Fin Arrays for Turbine Cooling Applications
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Topics: Cooling, Turbines, Flow (Dynamics), Reynolds number, Turbulence, Vortices, Heat transfer, Physics, Wakes, Fins
Proceedings Papers

Enhancement of Impingement Heat Transfer With the Crossflow Normal to Ribs and Pins Between Each Row of Holes

Abubakar M. El-Jummah, Gordon E. Andrews, John E. J. Staggs
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT10A006, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76969
https://doi.org/10.1115/GT2018-76969
View Paper titled, Enhancement of Impingement Heat Transfer With the Crossflow Normal to Ribs and Pins Between Each Row of Holes
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Topics: Heat transfer, Pins (Engineering), Flow (Dynamics), Cross-flow, Pressure, Computational fluid dynamics, Fins, Heat transfer coefficients, Computation, Coolants
Proceedings Papers

Influences of the Non-Uniform Pin-Fin Array on Heat Transfer Distribution in a Rotating Rectangular Channel

Shuo-Cheng Hung, Szu-Chi Huang, Yao-Hsien Liu
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT16A006, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76372
https://doi.org/10.1115/GT2018-76372
View Paper titled, Influences of the Non-Uniform Pin-Fin Array on Heat Transfer Distribution in a Rotating Rectangular Channel
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Topics: Heat transfer, Pins (Engineering), Rotation, Buoyancy, Flow separation, Liquid crystals, Reynolds number, Thermography, Vortices
Proceedings Papers

Probabilistic Design of Radial Pins Constraint System in a Gas Turbine Annular Combustion Chamber

Federico Funghi, Paolo di Sisto
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT32A004, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75763
https://doi.org/10.1115/GT2018-75763
View Paper titled, Probabilistic Design of Radial Pins Constraint System in a Gas Turbine Annular Combustion Chamber
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Topics: Combustion chambers, Constraint systems, Design, Gas turbines, Pins (Engineering), Domes (Structural elements), Stiffness, Stress, Computer simulation, Deformation
Proceedings Papers

On Improving Full-Coverage Effusion Cooling Efficiency by Varying Cooling Arrangements and Wall Thickness in Double Wall Cooling Application

Weihong Li, Xunfeng Lu, Xueying Li, Jing Ren, Hongde Jiang
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT10A007, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77230
https://doi.org/10.1115/GT2018-77230
View Paper titled, On Improving Full-Coverage Effusion Cooling Efficiency by Varying Cooling Arrangements and Wall Thickness in Double Wall Cooling Application
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Topics: Cooling, Wall thickness, Film cooling, Blades, Gas turbines, Pins (Engineering), Density, Thermal conductivity, Thermography
Proceedings Papers

Heat Transfer and Pressure Drop Measurements in a High Solidity Pin Fin Array With Variable Hole Size Incremental Impingement

A. A. Sheikhmohamed, L. W. Soma, F. E. Ames, S. Acharya
Proc. ASME. GT2017, Volume 5A: Heat Transfer, V05AT16A018, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-65046
https://doi.org/10.1115/GT2017-65046
View Paper titled, Heat Transfer and Pressure Drop Measurements in a High Solidity Pin Fin Array With Variable Hole Size Incremental Impingement
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Topics: Heat transfer, Pressure drop, Cooling, Film cooling, Flow (Dynamics), Pressure, Heat, Jets, Reynolds number, Stress
Proceedings Papers

Rib Turbulated Pin Fin Array for Trailing Edge Cooling

Marcel Otto, Erik Fernandez, Jayanta S. Kapat, Mark Ricklick, Shantanu Mhetras
Proc. ASME. GT2017, Volume 5A: Heat Transfer, V05AT16A001, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63044
https://doi.org/10.1115/GT2017-63044
View Paper titled, Rib Turbulated Pin Fin Array for Trailing Edge Cooling
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Topics: Cooling, Heat transfer, Flow (Dynamics), Ducts, Pins (Engineering), Reynolds number, Metals, Temperature, Turbine blades, Fins
Proceedings Papers

Numerical Investigation of Heat Transfer in a High Aspect Ratio Double Wall Channel With Pin Fin and Jet Array Impingement

Rui Kan, Shuqing Tian
Proc. ASME. GT2016, Volume 5B: Heat Transfer, V05BT11A006, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56642
https://doi.org/10.1115/GT2016-56642
View Paper titled, Numerical Investigation of Heat Transfer in a High Aspect Ratio Double Wall Channel With Pin Fin and Jet Array Impingement
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Topics: Heat transfer, Cooling, Ducts, Fins, Reynolds number, Computational fluid dynamics, Geometry, Heat transfer coefficients, Jets, Pins (Engineering)
Proceedings Papers

Influences of Target Surface Roughness on Impingement Jet Array Heat Transfer: Part 1 — Effects of Roughness Pattern, Roughness Height, and Reynolds Number

W. Buzzard, Z. Ren, P. Ligrani, C. Nakamata, S. Ueguchi
Proc. ASME. GT2016, Volume 5A: Heat Transfer, V05AT13A003, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56354
https://doi.org/10.1115/GT2016-56354
View Paper titled, Influences of Target Surface Roughness on Impingement Jet Array Heat Transfer: Part 1 — Effects of Roughness Pattern, Roughness Height, and Reynolds Number
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Topics: Heat transfer, Reynolds number, Surface roughness, Pins (Engineering), Cooling, Impingement cooling, Shapes
Proceedings Papers

Influences of Target Surface Roughness on Impingement Jet Array Heat Transfer: Part 2 — Effects of Roughness Shape, and Reynolds Number

W. Buzzard, Z. Ren, P. M. Ligrani, C. Nakamata, S. Ueguchi
Proc. ASME. GT2016, Volume 5A: Heat Transfer, V05AT13A004, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56355
https://doi.org/10.1115/GT2016-56355
View Paper titled, Influences of Target Surface Roughness on Impingement Jet Array Heat Transfer: Part 2 — Effects of Roughness Shape, and Reynolds Number
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Topics: Heat transfer, Reynolds number, Shapes, Surface roughness, Pins (Engineering), Cooling, Impingement cooling, Vorticity
Proceedings Papers

Impingement Jet Cooling With Ribs and Pin Fin Obstacles in Co-Flow Configurations: Conjugate Heat Transfer Computational Fluid Dynamic Predictions

Abubakar M. El-Jummah, Gordon E. Andrews, John E. J. Staggs
Proc. ASME. GT2016, Volume 5A: Heat Transfer, V05AT10A006, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57021
https://doi.org/10.1115/GT2016-57021
View Paper titled, Impingement Jet Cooling With Ribs and Pin Fin Obstacles in Co-Flow Configurations: Conjugate Heat Transfer Computational Fluid Dynamic Predictions
Open the PDF for Impingement Jet Cooling With Ribs and Pin Fin Obstacles in Co-Flow Configurations: Conjugate Heat Transfer Computational Fluid Dynamic Predictions in another window
Topics: Computational fluid dynamics, Flow (Dynamics), Heat transfer, Impingement cooling, Fins, Coolants, Pressure, Cooling, Heat transfer coefficients, Jets
Proceedings Papers

Numerical Evaluation of Pin Fin Inclination by Conjugate Heat Transfer Simulation With URANS

Takashi Yamane
Proc. ASME. GT2015, Volume 5A: Heat Transfer, V05AT10A012, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42869
https://doi.org/10.1115/GT2015-42869
View Paper titled, Numerical Evaluation of Pin Fin Inclination by Conjugate Heat Transfer Simulation With URANS
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Topics: Heat transfer, Simulation, Cooling, Fins, Heat conduction, Blades, Flow (Dynamics), Pins (Engineering), Smoothing methods, Turbine blades