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Proceedings Papers

An Experimental and Numerical Investigation Into the Effects of Squealer Blade Tip Modifications on Aerodynamic Performance

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G. A. Ledezma, J. Allen, R. S. Bunker
Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T03A002, September 30–October 3, 2013
Publisher: American Society of Mechanical Engineers
Paper No: TBTS2013-2004
https://doi.org/10.1115/TBTS2013-2004
View Paper titled, An Experimental and Numerical Investigation Into the Effects of Squealer Blade Tip Modifications on Aerodynamic Performance
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Topics: Blades, Strips, Pressure, Cooling, Suction, Cascades (Fluid dynamics), Flow (Dynamics), Geometry, Aerodynamics, Clearances (Engineering)
Proceedings Papers

Effects of Blade Degradation on Turbine Performance

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Andrey Granovskiy, Igor Manaev, Vladimir Vassiliev, Harald Kissel
Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T01A003, September 30–October 3, 2013
Publisher: American Society of Mechanical Engineers
Paper No: TBTS2013-2039
https://doi.org/10.1115/TBTS2013-2039
View Paper titled, Effects of Blade Degradation on Turbine Performance
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Topics: Blades, Turbines, Airfoils, Shapes, Chords (Trusses), Compressors, Computational methods, Engines, Flow (Dynamics), Gas turbines
Proceedings Papers

Measurement of Blade Tip Heat Transfer and Leakage Flow in a Turbine Cascade With a Multi-Cavity Squealer Tip

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Jung Shin Park, Sang Hoon Lee, Jae Su Kwak, Won Suk Lee, Jin Taek Chung
Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T02A006, September 30–October 3, 2013
Publisher: American Society of Mechanical Engineers
Paper No: TBTS2013-2072
https://doi.org/10.1115/TBTS2013-2072
View Paper titled, Measurement of Blade Tip Heat Transfer and Leakage Flow in a Turbine Cascade With a Multi-Cavity Squealer Tip
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Topics: Blades, Cascades (Fluid dynamics), Cavities, Heat transfer, Leakage flows, Turbines, Chords (Trusses), Pressure, Shapes, Clearances (Engineering)
Proceedings Papers

Effects of Inlet Turbulence and End-Wall Boundary Layer on Aero-Thermal Performance of a Transonic Turbine Blade Tip

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Q. Zhang, L. He, A. Rawlinson
Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T02A002, September 30–October 3, 2013
Publisher: American Society of Mechanical Engineers
Paper No: TBTS2013-2019
https://doi.org/10.1115/TBTS2013-2019
View Paper titled, Effects of Inlet Turbulence and End-Wall Boundary Layer on Aero-Thermal Performance of a Transonic Turbine Blade Tip
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Topics: Boundary layers, Turbine blades, Turbulence, Heat transfer, Flow (Dynamics), Suction, Vortices, Blades, Computational fluid dynamics, Inflow
Proceedings Papers

Aerodynamic Optimization of Axial Turbine Tip Cavity With Approximation Model

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Young-Seok Kang, Dong-Ho Rhee, Chun-Taek Kim, Bong-Jun Cha
Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T01A005, September 30–October 3, 2013
Publisher: American Society of Mechanical Engineers
Paper No: TBTS2013-2079
https://doi.org/10.1115/TBTS2013-2079
View Paper titled, Aerodynamic Optimization of Axial Turbine Tip Cavity With Approximation Model
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Topics: Approximation, Cavities, Optimization, Turbines, Clearances (Engineering), Blades, Design, Leakage flows, Computational fluid dynamics, Flow (Dynamics)
Proceedings Papers

Leakage Flow Impact on High Aspect Ratio Steam Turbine Reaction Blades

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Leonardo Nettis, Luca Lombardi
Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T04A002, September 30–October 3, 2013
Publisher: American Society of Mechanical Engineers
Paper No: TBTS2013-2042
https://doi.org/10.1115/TBTS2013-2042
View Paper titled, Leakage Flow Impact on High Aspect Ratio Steam Turbine Reaction Blades
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Topics: Blades, Leakage flows, Steam turbines, Leakage, Clearances (Engineering), Design, Computational fluid dynamics, Flow (Dynamics), Geometry, Numerical analysis
Proceedings Papers

The Influence of Boundary Conditions on Tip Leakage Flow

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John D. Coull, Nicholas R. Atkins
Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T01A004, September 30–October 3, 2013
Publisher: American Society of Mechanical Engineers
Paper No: TBTS2013-2057
https://doi.org/10.1115/TBTS2013-2057
View Paper titled, The Influence of Boundary Conditions on Tip Leakage Flow
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Topics: Boundary-value problems, Leakage flows, Cascades (Fluid dynamics), Rotors, Turbines, Flow (Dynamics), High pressure (Physics), Aerodynamics, Aircraft engines, Blades
Proceedings Papers

Direct Numerical Simulations of a Transonic Tip Flow With Free-Stream Disturbances

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Andrew P. S. Wheeler, Richard D. Sandberg
Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T01A002, September 30–October 3, 2013
Publisher: American Society of Mechanical Engineers
Paper No: TBTS2013-2037
https://doi.org/10.1115/TBTS2013-2037
View Paper titled, Direct Numerical Simulations of a Transonic Tip Flow With Free-Stream Disturbances
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Topics: Computer simulation, Flow (Dynamics), Turbulence, Bubbles, Reynolds-averaged Navier–Stokes equations, Separation (Technology), Cross-flow, Engines, Heat transfer, Stability
Proceedings Papers

Effect of the Tip Clearance on End Wall Heat-Transfer in a HP Turbine

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Marc H.-O. Biester, Dimitri Karapetrow, Joerg R. Seume
Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T02A005, September 30–October 3, 2013
Publisher: American Society of Mechanical Engineers
Paper No: TBTS2013-2069
https://doi.org/10.1115/TBTS2013-2069
View Paper titled, Effect of the Tip Clearance on End Wall Heat-Transfer in a HP Turbine
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Topics: Clearances (Engineering), Heat transfer, Turbines, Blades, Aircraft engines, Computation, Flow (Dynamics), High pressure (Physics), Reynolds-averaged Navier–Stokes equations, Rotation
Proceedings Papers

Shrouding the First Blade of High Temperature Turbines

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B. I. Mamaev, M. M. Petukhovsky, A. V. Pozdnyakov
Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T03A001, September 30–October 3, 2013
Publisher: American Society of Mechanical Engineers
Paper No: TBTS2013-2001
https://doi.org/10.1115/TBTS2013-2001
View Paper titled, Shrouding the First Blade of High Temperature Turbines
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Topics: Blades, High temperature, Turbines, Flow (Dynamics), Temperature, Clearances (Engineering), Cooling, Leakage, Airfoils, Cavities
Proceedings Papers

Aerothermal Performance of Shroudless Turbine Blade Tips With Effects of Relative Casing Motion

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A. S. Virdi, Q. Zhang, L. He, H. D. Li, R. Hunsley
Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T02A003, September 30–October 3, 2013
Publisher: American Society of Mechanical Engineers
Paper No: TBTS2013-2021
https://doi.org/10.1115/TBTS2013-2021
View Paper titled, Aerothermal Performance of Shroudless Turbine Blade Tips With Effects of Relative Casing Motion
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Topics: Blades, Cascades (Fluid dynamics), Cavities, Computational fluid dynamics, Design, Engines, Flow (Dynamics), Fluids, Friction, Geometry
Proceedings Papers

Impact of Wall Temperature on Turbine Blade Tip Aero-Thermal Performance

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Q. Zhang, L. He
Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T02A001, September 30–October 3, 2013
Publisher: American Society of Mechanical Engineers
Paper No: TBTS2013-2018
https://doi.org/10.1115/TBTS2013-2018
View Paper titled, Impact of Wall Temperature on Turbine Blade Tip Aero-Thermal Performance
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Topics: Turbine blades, Wall temperature, Aerodynamics, Flow (Dynamics), Heat transfer, Temperature, Temperature effects, Blades, Boundary-value problems, Cascades (Fluid dynamics)
Proceedings Papers

Effect of Common Blade Tip Squealer Designs in Terms of Tip Clearance Loss Control

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N. Lomakin, A. Granovskiy, V. Belkanov, J. Szwedowicz
Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T03A005, September 30–October 3, 2013
Publisher: American Society of Mechanical Engineers
Paper No: TBTS2013-2040
https://doi.org/10.1115/TBTS2013-2040
View Paper titled, Effect of Common Blade Tip Squealer Designs in Terms of Tip Clearance Loss Control
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Topics: Blades, Clearances (Engineering), Design, Turbines, Flow (Dynamics), Pressure, Airfoils, Suction, Aerodynamics, Cascades (Fluid dynamics)
Proceedings Papers

Modeling Approach to Calculate Redistributions of HPT-Shroud Cooling Channels Minimizing Thermal Stresses Including Some Turbine Blade Tip Effects

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Edward R. Rademaker, Rob A. Huls, Bambang I. Soemarwoto, Ron van Gestel
Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T05A003, September 30–October 3, 2013
Publisher: American Society of Mechanical Engineers
Paper No: TBTS2013-2060
https://doi.org/10.1115/TBTS2013-2060
View Paper titled, Modeling Approach to Calculate Redistributions of HPT-Shroud Cooling Channels Minimizing Thermal Stresses Including Some Turbine Blade Tip Effects
Open the PDF for Modeling Approach to Calculate Redistributions of HPT-Shroud Cooling Channels Minimizing Thermal Stresses Including Some Turbine Blade Tip Effects in another window
Topics: Cooling, Modeling, Thermal stresses, Turbine blades, Flow (Dynamics), Heat, Stress, Temperature, Aerodynamics, Computational fluid dynamics
Proceedings Papers

Impact of Passive Tip-Injection on the Performance of Partially Shrouded Turbines: Basic Concept and Preliminary Results

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Pouya Ghaffari, Reinhard Willinger
Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T09A003, September 30–October 3, 2013
Publisher: American Society of Mechanical Engineers
Paper No: TBTS2013-2038
https://doi.org/10.1115/TBTS2013-2038
View Paper titled, Impact of Passive Tip-Injection on the Performance of Partially Shrouded Turbines: Basic Concept and Preliminary Results
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Topics: Aircraft, Blades, Computational fluid dynamics, Discharge coefficient, Engineering simulation, Flow (Dynamics), Gas turbines, Leakage, Pressure, Simulation
Proceedings Papers

Blade Tip Carving Effects on the Aero-Thermal Performance of a Transonic Turbine

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C. De Maesschalck, S. Lavagnoli, G. Paniagua
Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T09A002, September 30–October 3, 2013
Publisher: American Society of Mechanical Engineers
Paper No: TBTS2013-2028
https://doi.org/10.1115/TBTS2013-2028
View Paper titled, Blade Tip Carving Effects on the Aero-Thermal Performance of a Transonic Turbine
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Topics: Blades, Turbines, Flow (Dynamics), Shapes, Design, Engines, Geometry, Heat transfer, Leakage flows, Mach number
Proceedings Papers

Design Modification of a Passive Tip-Leakage Control Method for Axial Turbines: Linear Cascade Wind Tunnel Results

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Albert Benoni, Reinhard Willinger
Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T09A004, September 30–October 3, 2013
Publisher: American Society of Mechanical Engineers
Paper No: TBTS2013-2056
https://doi.org/10.1115/TBTS2013-2056
View Paper titled, Design Modification of a Passive Tip-Leakage Control Method for Axial Turbines: Linear Cascade Wind Tunnel Results
Open the PDF for Design Modification of a Passive Tip-Leakage Control Method for Axial Turbines: Linear Cascade Wind Tunnel Results in another window
Topics: Cascades (Fluid dynamics), Design, Leakage, Turbines, Wind tunnels, Chords (Trusses), Flow (Dynamics), Blades, Turbine blades, Discharge coefficient