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Proceedings Papers

Centrifugal Compressor Design Optimization for S R-30 Small Scale Gas Turbine Engine Using Numerical Simulations and Machine Learning Approach

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Sowmya Raghu, Jamil A. Khan
Proc. ASME. HT2024, ASME 2024 Heat Transfer Summer Conference, V001T09A004, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: HT2024-131529
https://doi.org/10.1115/HT2024-131529
View Paper titled, Centrifugal Compressor Design Optimization for S R-30 Small Scale Gas Turbine Engine Using Numerical Simulations and Machine Learning Approach
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Topics: Compressors, Computer simulation, Design, Gas turbines, Graphical user interfaces, Machine learning, Optimization
Proceedings Papers

Numerical Heat Transfer Analysis of NACA Pin-Fin Thickness

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Rutledge Fogel, Srinath V. Ekkad
Proc. ASME. HT2024, ASME 2024 Heat Transfer Summer Conference, V001T09A003, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: HT2024-131359
https://doi.org/10.1115/HT2024-131359
View Paper titled, Numerical Heat Transfer Analysis of NACA Pin-Fin Thickness
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Topics: Gas turbines, Heat transfer
Proceedings Papers

Effect of Blowing Ratio on the Film Cooling Effectiveness on a Flat Plate With Various Blockage Ratios

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Omar Deyab Aly, Lesley M. Wright, Ibrahim Hassan
Proc. ASME. HT2024, ASME 2024 Heat Transfer Summer Conference, V001T09A002, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: HT2024-130531
https://doi.org/10.1115/HT2024-130531
View Paper titled, Effect of Blowing Ratio on the Film Cooling Effectiveness on a Flat Plate With Various Blockage Ratios
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Topics: Film cooling, Flat plates, Cooling, Additive manufacturing, Coolants, Pressure, Density, Flow (Dynamics), Flow instability, Gas turbines
Proceedings Papers

Heat Transfer Coefficients and Film Cooling Effectiveness on the Endwall of a Transonic Turbine Vane Measured With Binary Pressure Sensitive Paint

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Timothy A. Burdett, Lesley M. Wright
Proc. ASME. HT2024, ASME 2024 Heat Transfer Summer Conference, V001T09A001, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: HT2024-130526
https://doi.org/10.1115/HT2024-130526
View Paper titled, Heat Transfer Coefficients and Film Cooling Effectiveness on the Endwall of a Transonic Turbine Vane Measured With Binary Pressure Sensitive Paint
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Topics: Film cooling, Gas turbines, Heat transfer, Heat transfer coefficients, Paints, Pressure, Turbines
Proceedings Papers

Heat Transfer Characteristics According to Inner Pipe in a Gas Turbine Vane Internal Passage

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Jeonghun Heo, Hee Jae Lee, Taehyun Kim, Gyeongryun Kim, Changyong Lee, Hyung Hee Cho
Proc. ASME. HT2023, ASME 2023 Heat Transfer Summer Conference, V001T08A001, July 10–12, 2023
Publisher: American Society of Mechanical Engineers
Paper No: HT2023-107155
https://doi.org/10.1115/HT2023-107155
View Paper titled, Heat Transfer Characteristics According to Inner Pipe in a Gas Turbine Vane Internal Passage
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Topics: Gas turbines, Heat, Heat transfer, Mass transfer, Pipes
Proceedings Papers

Effect of Variation of Pin-fin Height on Jet Impingement Heat Transfer on a Rotating Surface

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Pratik S. Bhansali, Srinath V. Ekkad
Proc. ASME. HT2021, ASME 2021 Heat Transfer Summer Conference, V001T04A006, June 16–18, 2021
Publisher: American Society of Mechanical Engineers
Paper No: HT2021-63946
https://doi.org/10.1115/HT2021-63946
View Paper titled, Effect of Variation of Pin-fin Height on Jet Impingement Heat Transfer on a Rotating Surface
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Topics: Disks, Fins, Heat transfer, Rotating disks, Rotation, Aluminum, Cooling, Gas turbines, Gases, Reynolds number
Proceedings Papers

Effects of Vortex Generators on the Impingement Jet Arrays Heat Transfer

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Yue Yang, Junkui Mao, Feilong Wang
Proc. ASME. HT2021, ASME 2021 Heat Transfer Summer Conference, V001T04A001, June 16–18, 2021
Publisher: American Society of Mechanical Engineers
Paper No: HT2021-60461
https://doi.org/10.1115/HT2021-60461
View Paper titled, Effects of Vortex Generators on the Impingement Jet Arrays Heat Transfer
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Topics: Generators, Heat transfer, Vortices
Proceedings Papers

Optimal Design of Novel Laminated Cooling System Considering Cooling Effectiveness and Thermomechanical Performance

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Honglin Li, Lei Li, Wenjing Gao, Zhonghao Tang, Chunlong Tan, Shuoshuo Ren
Proc. ASME. HT2021, ASME 2021 Heat Transfer Summer Conference, V001T04A002, June 16–18, 2021
Publisher: American Society of Mechanical Engineers
Paper No: HT2021-62602
https://doi.org/10.1115/HT2021-62602
View Paper titled, Optimal Design of Novel Laminated Cooling System Considering Cooling Effectiveness and Thermomechanical Performance
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Topics: Cooling, Cooling systems, Design, Heat transfer, Optimization, Thermomechanics
Proceedings Papers

Numerical Analysis on the Leading Edge Film Cooling of Bifurcation Holes for Gas Turbine Blade

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Zhonghao Tang, Gongnan Xie, Honglin Li, Wenjing Gao, Chunlong Tan, Lei Li
Proc. ASME. HT2021, ASME 2021 Heat Transfer Summer Conference, V001T04A003, June 16–18, 2021
Publisher: American Society of Mechanical Engineers
Paper No: HT2021-62615
https://doi.org/10.1115/HT2021-62615
View Paper titled, Numerical Analysis on the Leading Edge Film Cooling of Bifurcation Holes for Gas Turbine Blade
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Topics: Bifurcation, Blades, Film cooling, Gas turbines, Numerical analysis, Turbine blades
Proceedings Papers

Validation Of Multiphase Computational Model Using Experimental Study of Air/Mist Film Cooling

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Ramy Abdelmaksoud, Ting Wang
Proc. ASME. HT2021, ASME 2021 Heat Transfer Summer Conference, V001T04A004, June 16–18, 2021
Publisher: American Society of Mechanical Engineers
Paper No: HT2021-63467
https://doi.org/10.1115/HT2021-63467
View Paper titled, Validation Of Multiphase Computational Model Using Experimental Study of Air/Mist Film Cooling
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Topics: Computer simulation, Cooling, Film cooling
Proceedings Papers

The Influence of Deterministic Surface Roughness and Free-Stream Turbulence on Transitional Boundary Layers: Heat Transfer Distributions and a New Transition Onset Correlation

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Christoph Gramespacher, Matthias Stripf, Hans-Jörg Bauer
Proc. ASME. HT2021, ASME 2021 Heat Transfer Summer Conference, V001T04A005, June 16–18, 2021
Publisher: American Society of Mechanical Engineers
Paper No: HT2021-63504
https://doi.org/10.1115/HT2021-63504
View Paper titled, The Influence of Deterministic Surface Roughness and Free-Stream Turbulence on Transitional Boundary Layers: Heat Transfer Distributions and a New Transition Onset Correlation
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Topics: Boundary layers, Heat transfer, Surface roughness, Turbulence, Density, Flat plates, Pressure, Reynolds number, Pressure gradient, Probes
Proceedings Papers

A Numerical Investigation of Air/Mist Cooling in a Conjugate, 3-D Gas Turbine Vane With Internal Passage and External Film Cooling

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Ramy Abdelmaksoud, Ting Wang
Proc. ASME. HT2019, ASME 2019 Heat Transfer Summer Conference, V001T05A002, July 14–17, 2019
Publisher: American Society of Mechanical Engineers
Paper No: HT2019-3464
https://doi.org/10.1115/HT2019-3464
View Paper titled, A Numerical Investigation of Air/Mist Cooling in a Conjugate, 3-D Gas Turbine Vane With Internal Passage and External Film Cooling
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Topics: Cooling, Film cooling, Gas turbines
Proceedings Papers

Effect of Twist Ratio on Heat Transfer Enhancement by Swirl Impingement

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Kishore Ranganath Ramakrishnan, Srivatsan Madhavan, Prashant Singh, Srinath V. Ekkad
Proc. ASME. HT2019, ASME 2019 Heat Transfer Summer Conference, V001T05A003, July 14–17, 2019
Publisher: American Society of Mechanical Engineers
Paper No: HT2019-3530
https://doi.org/10.1115/HT2019-3530
View Paper titled, Effect of Twist Ratio on Heat Transfer Enhancement by Swirl Impingement
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Topics: Heat transfer, Swirling flow, Fluids, Reynolds number, Steady state
Proceedings Papers

Simulations of Film Cooling Flow Structure and Heat Transfer in the Near Field of Cooling Jets With a Modified DES Model

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Feiyan Yu, Savas Yavuzkurt
Proc. ASME. HT2019, ASME 2019 Heat Transfer Summer Conference, V001T05A004, July 14–17, 2019
Publisher: American Society of Mechanical Engineers
Paper No: HT2019-3683
https://doi.org/10.1115/HT2019-3683
View Paper titled, Simulations of Film Cooling Flow Structure and Heat Transfer in the Near Field of Cooling Jets With a Modified DES Model
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Topics: Cooling, Film cooling, Flow (Dynamics), Heat transfer, Jets, Simulation, Density, Engineering simulation, Eddies (Fluid dynamics), Coolants
Proceedings Papers

Numerical Predictions of Flow Structures and Film Cooling Effectiveness Values of a Turbine Vane: Effects of Secondary Holes

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Rui Zhu, Terrence W. Simon, Gongnan Xie
Proc. ASME. HT2019, ASME 2019 Heat Transfer Summer Conference, V001T05A001, July 14–17, 2019
Publisher: American Society of Mechanical Engineers
Paper No: HT2019-3401
https://doi.org/10.1115/HT2019-3401
View Paper titled, Numerical Predictions of Flow Structures and Film Cooling Effectiveness Values of a Turbine Vane: Effects of Secondary Holes
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Topics: Film cooling, Flow (Dynamics), Turbines, Vortices
Proceedings Papers

Enhanced Film Cooling Effectiveness by Integration of Horn-Shaped and Cylindrical Holes

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Rui Zhu, Gongnan Xie, Terrence W. Simon
Proc. ASME. HT2017, Volume 1: Aerospace Heat Transfer; Computational Heat Transfer; Education; Environmental Heat Transfer; Fire and Combustion Systems; Gas Turbine Heat Transfer; Heat Transfer in Electronic Equipment; Heat Transfer in Energy Systems, V001T06A001, July 9–12, 2017
Publisher: American Society of Mechanical Engineers
Paper No: HT2017-4764
https://doi.org/10.1115/HT2017-4764
View Paper titled, Enhanced Film Cooling Effectiveness by Integration of Horn-Shaped and Cylindrical Holes
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Topics: Film cooling, Cooling, Flow (Dynamics), Geometry, Vortices, Blades, Gas turbines, Lift (Fluid dynamics), Shapes, Simulation results
Proceedings Papers

Computational Study of Flow and Heat Transfer With Anti Cross-Flows (ACF) Jet Impingement Cooling for Different Heights of Corrugate

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Radheesh Dhanasegaran, Ssheshan Pugazhendhi
Proc. ASME. HT2017, Volume 1: Aerospace Heat Transfer; Computational Heat Transfer; Education; Environmental Heat Transfer; Fire and Combustion Systems; Gas Turbine Heat Transfer; Heat Transfer in Electronic Equipment; Heat Transfer in Energy Systems, V001T06A002, July 9–12, 2017
Publisher: American Society of Mechanical Engineers
Paper No: HT2017-4783
https://doi.org/10.1115/HT2017-4783
View Paper titled, Computational Study of Flow and Heat Transfer With Anti Cross-Flows (ACF) Jet Impingement Cooling for Different Heights of Corrugate
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Topics: Cross-flow, Flow (Dynamics), Heat transfer, Impingement cooling, Cooling, Skin friction (Fluid dynamics), Eddies (Fluid dynamics), Flat plates, Flow separation, Flow visualization
Proceedings Papers

Heat Transfer Enhancement by Criss-Cross Pattern Formed by 45° Angled Rib Turbulators in a Straight Square Duct

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Prashant Singh, Yongbin Ji, Mingyang Zhang, Srinath V. Ekkad
Proc. ASME. HT2017, Volume 1: Aerospace Heat Transfer; Computational Heat Transfer; Education; Environmental Heat Transfer; Fire and Combustion Systems; Gas Turbine Heat Transfer; Heat Transfer in Electronic Equipment; Heat Transfer in Energy Systems, V001T06A003, July 9–12, 2017
Publisher: American Society of Mechanical Engineers
Paper No: HT2017-4908
https://doi.org/10.1115/HT2017-4908
View Paper titled, Heat Transfer Enhancement by Criss-Cross Pattern Formed by 45° Angled Rib Turbulators in a Straight Square Duct
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Topics: Ducts, Heat transfer, Cooling, Temperature, Blades, Flow (Dynamics), Reynolds number, Turbine blades, Turbines, Boundary layers
Proceedings Papers

Cooling Performance Comparison of a Low Aspect Ratio Incremental Impingement Pin-Fin Channel Configurations

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Susheel Singh, Sumanta Acharya, Forrest Ames
Proc. ASME. HT2017, Volume 1: Aerospace Heat Transfer; Computational Heat Transfer; Education; Environmental Heat Transfer; Fire and Combustion Systems; Gas Turbine Heat Transfer; Heat Transfer in Electronic Equipment; Heat Transfer in Energy Systems, V001T06A004, July 9–12, 2017
Publisher: American Society of Mechanical Engineers
Paper No: HT2017-5072
https://doi.org/10.1115/HT2017-5072
View Paper titled, Cooling Performance Comparison of a Low Aspect Ratio Incremental Impingement Pin-Fin Channel Configurations
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Topics: Cooling, Coolants, Flow (Dynamics), Heat transfer, Combustion chambers, Cross-flow, Failure, Gas turbines, Large eddy simulation, Reynolds number
Proceedings Papers

LES Simulations of Rotating Two-Pass Ribbed Duct With Coriolis and Centrifugal Buoyancy Forces at Re=100,000

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Cody Dowd, Danesh Tafti
Proc. ASME. HT2016, Volume 2: Heat Transfer in Multiphase Systems; Gas Turbine Heat Transfer; Manufacturing and Materials Processing; Heat Transfer in Electronic Equipment; Heat and Mass Transfer in Biotechnology; Heat Transfer Under Extreme Conditions; Computational Heat Transfer; Heat Transfer Visualization Gallery; General Papers on Heat Transfer; Multiphase Flow and Heat Transfer; Transport Phenomena in Manufacturing and Materials Processing, V002T09A001, July 10–14, 2016
Publisher: American Society of Mechanical Engineers
Paper No: HT2016-7348
https://doi.org/10.1115/HT2016-7348
View Paper titled, LES Simulations of Rotating Two-Pass Ribbed Duct With Coriolis and Centrifugal Buoyancy Forces at Re=100,000
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Topics: Buoyancy, Ducts, Engineering simulation, Simulation, Heat transfer, Coriolis force, Flow (Dynamics), Geometry, Large eddy simulation, Reynolds number