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Proceedings Papers

One Dimensional Model to Predict the Total Pressure Loss of Volute for Inward Flow Radial Supercritical CO2 Turbines

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Syed Jiaul Hoque, Pramod Kumar, Pramod Chandra Gopi
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A021, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103179
https://doi.org/10.1115/GT2023-103179
View Paper titled, One Dimensional Model to Predict the Total Pressure Loss of Volute for Inward Flow Radial Supercritical CO2 Turbines
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Topics: Flow (Dynamics), Pressure, Supercritical carbon dioxide, Turbines, Computational fluid dynamics, Errors, Boundary layers, Boundary-value problems, Computer software, Cross section (Physics)
Proceedings Papers

Jet Entrance Configurations and Swirl Motion Effects on Heat Transfer Characteristics Inside Blade Leading Edge of the Gas Turbine

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Fifi Elwekeel, Antar Abdala, Qun Zheng
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A006, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-79594
https://doi.org/10.1115/GT2022-79594
View Paper titled, Jet Entrance Configurations and Swirl Motion Effects on Heat Transfer Characteristics Inside Blade Leading Edge of the Gas Turbine
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Topics: Blades, Cooling, Gas turbines, Heat transfer, Shapes, Friction, Simulation, Computational fluid dynamics, Cross section (Physics), Reynolds number
Proceedings Papers

Heat Transfer and Pressure Loss of Additively Manufactured Internal Cooling Channels With Various Shapes

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Alexander J. Wildgoose, Karen A. Thole
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A019, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82298
https://doi.org/10.1115/GT2022-82298
View Paper titled, Heat Transfer and Pressure Loss of Additively Manufactured Internal Cooling Channels With Various Shapes
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Topics: Additive manufacturing, Cooling, Heat transfer, Pressure, Shapes, Friction, Cross section (Physics), Diamonds, Computational fluid dynamics, Engineering simulation
Proceedings Papers

The Thermo-Hydrodynamic Analysis of the Plain Journal Bearing With Centered Circumferential Groove: Numerical Simulation vs. Experiment

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Guanghui Zhang, Shubo Yu, Zhansheng Liu, Kefan Xu, Yu Li
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A011, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14364
https://doi.org/10.1115/GT2020-14364
View Paper titled, The Thermo-Hydrodynamic Analysis of the Plain Journal Bearing With Centered Circumferential Groove: Numerical Simulation vs. Experiment
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Topics: Computer simulation, Journal bearings, Thermohydrodynamics, Bearings, Temperature, Clearances (Engineering), Temperature distribution, Design, Flow (Dynamics), Sensors
Proceedings Papers

On the Effects of a Shaft Crack Propagation on the Dynamic Behavior of a Steam Turbine

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Steven Chatterton, Paolo Pennacchi, Andrea Vania
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT29A003, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14207
https://doi.org/10.1115/GT2020-14207
View Paper titled, On the Effects of a Shaft Crack Propagation on the Dynamic Behavior of a Steam Turbine
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Topics: Crack propagation, Fracture (Materials), Machinery, Steam turbines, Vibration, Cross section (Physics), Condition monitoring, Fatigue cracks, Fault diagnosis, Probes
Proceedings Papers

The Effect of Thermal Barrier Coating Surface Temperature on the Adhesion Behavior of CMAS Deposits

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Robert A. Clark, Nicholas Plewacki, Pritheesh Gnanaselvam, Jeffrey P. Bons, Vaishak Viswanathan
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT34A013, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15544
https://doi.org/10.1115/GT2020-15544
View Paper titled, The Effect of Thermal Barrier Coating Surface Temperature on the Adhesion Behavior of CMAS Deposits
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Topics: Adhesion, Temperature, Thermal barrier coatings, Flow (Dynamics), Particulate matter, Heat transfer, High pressure (Physics), Turbines, Turbofans, Coolants
Proceedings Papers

Study of Buoyancy Effects on Supercritical CO 2 Heat Transfer in Circular Pipes

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Akshay Khadse, Ladislav Vesely, James Sherwood, Andres Curbelo, Vipul Goyal, Nandhini Raju, Jayanta S. Kapat, Wanjae Kim
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T31A013, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15523
https://doi.org/10.1115/GT2020-15523
View Paper titled, Study of Buoyancy Effects on Supercritical CO 2 Heat Transfer in Circular Pipes
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Topics: Buoyancy, Heat transfer, Pipes, Supercritical carbon dioxide, Flow (Dynamics), Cooling systems, Thermodynamic power cycles, Computation, Cooling, Cross section (Physics)
Proceedings Papers

Developing Secondary Flow and Heat Transfer in the Entrance Region of a Square Channel With 45° Crossed Rib Arrangement

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M. Wieler, B. Woerz, P. Jeschke, M. Rabs
Proc. ASME. GT2019, Volume 5A: Heat Transfer, V05AT16A005, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90801
https://doi.org/10.1115/GT2019-90801
View Paper titled, Developing Secondary Flow and Heat Transfer in the Entrance Region of a Square Channel With 45° Crossed Rib Arrangement
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Topics: Entrance region, Flow (Dynamics), Heat transfer, Cooling, Stress, Algebra, Blades, Computer simulation, Convection, Copper
Proceedings Papers

An Experimental Investigation on Internal Flow Characteristics in a Realistic and Entire Coolant Channel With Ribs and Film Holes

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Peng Wang, Jian Pu, Ren-bin Yu, Jian-hua Wang, Bo Wan, Jian-Xia Luo, Shu-qing Tian
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT16A004, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75715
https://doi.org/10.1115/GT2018-75715
View Paper titled, An Experimental Investigation on Internal Flow Characteristics in a Realistic and Entire Coolant Channel With Ribs and Film Holes
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Topics: Coolants, Internal flow, Vortices, Flow (Dynamics), Shapes, Blades, Bubbles, Cross section (Physics), High pressure (Physics), Particulate matter
Proceedings Papers

Effects of Impinging Hole Shapes on Double Swirl Cooling Performance at Gas Turbine Blade Leading Edge

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Junfei Zhou, Xinjun Wang, Jun Li, Daren Zheng
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT11A003, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75445
https://doi.org/10.1115/GT2018-75445
View Paper titled, Effects of Impinging Hole Shapes on Double Swirl Cooling Performance at Gas Turbine Blade Leading Edge
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Topics: Blades, Cooling, Gas turbines, Shapes, Flow (Dynamics), Heat transfer, Impingement cooling, Vortices, Cross section (Physics), Friction
Proceedings Papers

Numerical Flow Field Analysis in a Highly Bent Intake Duct

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Jakob P. Haug, Rudolf P. M. Rademakers, Marcel Stößel, Reinhard Niehuis
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT43A007, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76633
https://doi.org/10.1115/GT2018-76633
View Paper titled, Numerical Flow Field Analysis in a Highly Bent Intake Duct
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Topics: Ducts, Flow (Dynamics), Engines, Flow separation, Shapes, Vortices, Aerodynamics, Aircraft, Compressors, Computational fluid dynamics
Proceedings Papers

Evaluation of Wire Electrochemical Machining With Rotating Electrode for the Manufacture of Fir Tree Slots

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F. Klocke, T. Herrig, A. Klink
Proc. ASME. GT2018, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A024, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76910
https://doi.org/10.1115/GT2018-76910
View Paper titled, Evaluation of Wire Electrochemical Machining With Rotating Electrode for the Manufacture of Fir Tree Slots
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Topics: Electrodes, Machining, Wire, Cutting, Disks, Electrical discharge machining, Turbines, Cross section (Physics), Design, Finishing
Proceedings Papers

Robust Multiphysics Optimization for Fan Blade Aerodynamic Efficiency, Structural Properties and Flutter Sensitivity

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Kirill A. Vinogradov, Gennady V. Kretinin, Igor A. Leshenko, Kseniia V. Otriakhina, Konstantin S. Fedechkin, Olga V. Vinogradova, Vyacheslav V. Bushmanov, Roman V. Khramin
Proc. ASME. GT2018, Volume 2D: Turbomachinery, V02DT46A022, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76816
https://doi.org/10.1115/GT2018-76816
View Paper titled, Robust Multiphysics Optimization for Fan Blade Aerodynamic Efficiency, Structural Properties and Flutter Sensitivity
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Topics: Blades, Flutter (Aerodynamics), Mechanical properties, Optimization, Uncertainty, Computer software, Response surface methodology, Aerodynamics, Airfoils, Computational fluid dynamics
Proceedings Papers

Investigation of the Dihedral Angle Effect on the Boundary Layer Development Using Special-Shaped Expansion Pipes

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Teng Fei, Lucheng Ji, Weilin Yi
Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT39A029, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76383
https://doi.org/10.1115/GT2018-76383
View Paper titled, Investigation of the Dihedral Angle Effect on the Boundary Layer Development Using Special-Shaped Expansion Pipes
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Topics: Boundary layers, Pipes, Corners (Structural elements), Blades, Flow (Dynamics), Cross section (Physics), Design, Fluids, Momentum, Pressure gradient
Proceedings Papers

The Pressure Field at the Output From a Low Pressure Exhaust Hood and Condenser Neck of the 1090 MW Steam Turbine: Experimental and Numerical Research

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Michal Hoznedl, Antonín Živný, Aleš Macálka, Robert Kalista, Kamil Sedlák, Lukáš Bednář, Ladislav Tajč
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A006, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75248
https://doi.org/10.1115/GT2018-75248
View Paper titled, The Pressure Field at the Output From a Low Pressure Exhaust Hood and Condenser Neck of the 1090 MW Steam Turbine: Experimental and Numerical Research
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Topics: Condensers (steam plant), Exhaust systems, Pressure, Steam turbines, Flow (Dynamics), Blades, Boundary-value problems, Computation, Computational fluid dynamics, Cooling
Proceedings Papers

Study of Interlaminar Fracture Properties of Ceramic Matrix Composites at Room and Elevated Temperatures

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Rabih Mansour, Yogesh P. Singh, Manigandan Kannan, Gregory N. Morscher, Frank Abdi, Jalees Ahmad, Cody Godines, Saber DorMohammadi, Sung Choi
Proc. ASME. GT2017, Volume 6: Ceramics; Controls, Diagnostics and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A009, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-65168
https://doi.org/10.1115/GT2017-65168
View Paper titled, Study of Interlaminar Fracture Properties of Ceramic Matrix Composites at Room and Elevated Temperatures
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Topics: Ceramic matrix composites, Fracture toughness, Temperature, Fracture (Materials), Testing, Composite materials, Cross section (Physics), Electrical resistance, Engines, Failure
Proceedings Papers

Influence of Cross-Sectional Shape on the Flow in a Highly Bent Research Intake Duct for Jet Engines

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Jakob P. Haug, Rudolf P. M. Rademakers, Marcel Stößel, Reinhard Niehuis
Proc. ASME. GT2017, Volume 2B: Turbomachinery, V02BT42A010, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64338
https://doi.org/10.1115/GT2017-64338
View Paper titled, Influence of Cross-Sectional Shape on the Flow in a Highly Bent Research Intake Duct for Jet Engines
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Topics: Ducts, Flow (Dynamics), Jet engines, Shapes, Compressors, Engines, Aerodynamics, Geometry, Aircraft, Computational fluid dynamics
Proceedings Papers

Highly Resolved LES Study of Gap Size Effect on Low-Pressure Turbine Stage

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R. Pichler, V. Michelassi, R. Sandberg, J. Ong
Proc. ASME. GT2017, Volume 2A: Turbomachinery, V02AT40A006, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63407
https://doi.org/10.1115/GT2017-63407
View Paper titled, Highly Resolved LES Study of Gap Size Effect on Low-Pressure Turbine Stage
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Topics: Pressure, Size effect, Turbines, Blades, Wakes, Rotors, Stators, Kinetic energy, Separation (Technology), Suction
Proceedings Papers

Printed Circuit Heat Exchanger Flow Distribution Measurements

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Blake W. Lance, Matthew D. Carlson
Proc. ASME. GT2017, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A021, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64560
https://doi.org/10.1115/GT2017-64560
View Paper titled, Printed Circuit Heat Exchanger Flow Distribution Measurements
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Topics: Circuits, Flow (Dynamics), Heat exchangers, Particulate matter, Velocity measurement, Geometry, Plates (structures), Pressure drop, Algorithms, Brayton cycle
Proceedings Papers

Investigation of Spiral and Sweeping Holes

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Douglas Thurman, Philip Poinsatte, Ali Ameri, Dennis Culley, Surya Raghu, Vikram Shyam
Proc. ASME. GT2015, Volume 5B: Heat Transfer, V05BT12A044, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43808
https://doi.org/10.1115/GT2015-43808
View Paper titled, Investigation of Spiral and Sweeping Holes
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Topics: Cooling, Cross section (Physics), Density, Design, Diffusion (Physics), Film cooling, Flow (Dynamics), Geometry, Jets, Kidney