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Proceedings Papers

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

G. A. Ledezma, J. Allen, R. S. Bunker

Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T03A002, September 30–October 3, 2013

Paper No: TBTS2013-2004

DOI: https://doi.org/10.1115/TBTS2013-2004

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Topics: Blades, Strips, Pressure, Cooling, Suction, Cascades (Fluid dynamics), Flow (Dynamics), Geometry, Aerodynamics, Clearances (Engineering)

Proceedings Papers

Experimental and Unsteady Numerical Investigation of the Tip Clearance Noise of an Axial Fan

Tao Zhu, Thomas H. Carolus

Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T04A001, September 30–October 3, 2013

Paper No: TBTS2013-2034

DOI: https://doi.org/10.1115/TBTS2013-2034

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Topics: Clearances (Engineering), Noise (Sound), Pressure, Blades, Fluctuations (Physics), Vortices, Acoustics, Ducts, Fans, Impellers

Proceedings Papers

Effects of Blade Degradation on Turbine Performance

Andrey Granovskiy, Igor Manaev, Vladimir Vassiliev, Harald Kissel

Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T01A003, September 30–October 3, 2013

Paper No: TBTS2013-2039

DOI: https://doi.org/10.1115/TBTS2013-2039

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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

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

Paper No: TBTS2013-2072

DOI: https://doi.org/10.1115/TBTS2013-2072

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Topics: Blades, Cascades (Fluid dynamics), Cavities, Heat transfer, Leakage flows, Turbines, Chords (Trusses), Pressure, Shapes, Clearances (Engineering)

Proceedings Papers

Numerical Study of Heat Transfer and Cooling Effectiveness on a Flat-Tip Turbine Blade

Qihe Huang, Jiao Wang, Lei He, Qiang Xu

Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T02A004, September 30–October 3, 2013

Paper No: TBTS2013-2053

DOI: https://doi.org/10.1115/TBTS2013-2053

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Topics: Cooling, Heat transfer, Turbine blades, Blades, Film cooling, Leakage flows, Clearances (Engineering), Engineering simulation, Gas turbines, Geometry

Proceedings Papers

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

Q. Zhang, L. He, A. Rawlinson

Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T02A002, September 30–October 3, 2013

Paper No: TBTS2013-2019

DOI: https://doi.org/10.1115/TBTS2013-2019

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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

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

Paper No: TBTS2013-2079

DOI: https://doi.org/10.1115/TBTS2013-2079

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Topics: Approximation, Cavities, Optimization, Turbines, Clearances (Engineering), Blades, Design, Leakage flows, Computational fluid dynamics, Flow (Dynamics)

Proceedings Papers

Vibration Analysis of Shrouded Turbine Blades for a 30 MW Gas Turbine

Ryoji Tamai, Ryozo Tanaka, Yoshichika Sato, Karsten Kusterer, Gang Lin, Martin Kemper, Lars Panning-von Scheidt

Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T03A004, September 30–October 3, 2013

Paper No: TBTS2013-2014

DOI: https://doi.org/10.1115/TBTS2013-2014

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Topics: Gas turbines, Turbine blades, Vibration analysis, Blades, Friction, Disks, Resonance, Damping, Vibration, Dampers

Proceedings Papers

Building Up Suitable Contact Forces in Integrally Shrouded Blade Rows for Reducing Vibration Amplitudes

Nicolò Bachschmid, Emanuel Pesatori, Simone Bistolfi, Massimiliano Sanvito

Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T03A003, September 30–October 3, 2013

Paper No: TBTS2013-2005

DOI: https://doi.org/10.1115/TBTS2013-2005

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Topics: Blades, Vibration, Damping, Cavities, Excitation, Friction, Magnification, Modeling

Proceedings Papers

Leakage Flow Impact on High Aspect Ratio Steam Turbine Reaction Blades

Leonardo Nettis, Luca Lombardi

Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T04A002, September 30–October 3, 2013

Paper No: TBTS2013-2042

DOI: https://doi.org/10.1115/TBTS2013-2042

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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

John D. Coull, Nicholas R. Atkins

Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T01A004, September 30–October 3, 2013

Paper No: TBTS2013-2057

DOI: https://doi.org/10.1115/TBTS2013-2057

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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

Andrew P. S. Wheeler, Richard D. Sandberg

Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T01A002, September 30–October 3, 2013

Paper No: TBTS2013-2037

DOI: https://doi.org/10.1115/TBTS2013-2037

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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

Advanced Coating Systems for Future Shroudless Turbines

Susanne Gebhard, Tanja Wobst, Dan Roth-Fagaraseanu, Matthew Hancock

Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T05A002, September 30–October 3, 2013

Paper No: TBTS2013-2017

DOI: https://doi.org/10.1115/TBTS2013-2017

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Topics: Coatings, Turbines, Sealing (Process), Blades, Ceramic coatings, Ceramics, Design, High temperature, Interface structure, Stress

Proceedings Papers

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

Marc H.-O. Biester, Dimitri Karapetrow, Joerg R. Seume

Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T02A005, September 30–October 3, 2013

Paper No: TBTS2013-2069

DOI: https://doi.org/10.1115/TBTS2013-2069

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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

B. I. Mamaev, M. M. Petukhovsky, A. V. Pozdnyakov

Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T03A001, September 30–October 3, 2013

Paper No: TBTS2013-2001

DOI: https://doi.org/10.1115/TBTS2013-2001

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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

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

Paper No: TBTS2013-2021

DOI: https://doi.org/10.1115/TBTS2013-2021

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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

Q. Zhang, L. He

Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T02A001, September 30–October 3, 2013

Paper No: TBTS2013-2018

DOI: https://doi.org/10.1115/TBTS2013-2018

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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

N. Lomakin, A. Granovskiy, V. Belkanov, J. Szwedowicz

Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T03A005, September 30–October 3, 2013

Paper No: TBTS2013-2040

DOI: https://doi.org/10.1115/TBTS2013-2040

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Topics: Blades, Clearances (Engineering), Design, Turbines, Flow (Dynamics), Pressure, Airfoils, Suction, Aerodynamics, Cascades (Fluid dynamics)

Proceedings Papers

Turbine Split Rings Thermal Design Using Conjugate Numerical Simulation

Aleksei S. Tikhonov, Andrey A. Shvyrev, Nikolay Yu. Samokhvalov

Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T09A001, September 30–October 3, 2013

Paper No: TBTS2013-2003

DOI: https://doi.org/10.1115/TBTS2013-2003

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Topics: Computer simulation, Design, Turbines, Temperature, Cavities, Gasdynamics, Heat transfer, Blades, Cooling, Engineering design processes

Proceedings Papers

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

Pouya Ghaffari, Reinhard Willinger

Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T09A003, September 30–October 3, 2013

Paper No: TBTS2013-2038

DOI: https://doi.org/10.1115/TBTS2013-2038

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Topics: Aircraft, Blades, Computational fluid dynamics, Discharge coefficient, Engineering simulation, Flow (Dynamics), Gas turbines, Leakage, Pressure, Simulation

NARROW

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

Experimental and Unsteady Numerical Investigation of the Tip Clearance Noise of an Axial Fan

Effects of Blade Degradation on Turbine Performance

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

Numerical Study of Heat Transfer and Cooling Effectiveness on a Flat-Tip Turbine Blade

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

Aerodynamic Optimization of Axial Turbine Tip Cavity With Approximation Model

Vibration Analysis of Shrouded Turbine Blades for a 30 MW Gas Turbine

Building Up Suitable Contact Forces in Integrally Shrouded Blade Rows for Reducing Vibration Amplitudes

Leakage Flow Impact on High Aspect Ratio Steam Turbine Reaction Blades

The Influence of Boundary Conditions on Tip Leakage Flow

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

Advanced Coating Systems for Future Shroudless Turbines

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

Shrouding the First Blade of High Temperature Turbines

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

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

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

Turbine Split Rings Thermal Design Using Conjugate Numerical Simulation

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

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