Performance Robustness of Turbine Squealer Tip Designs Due to Manufacturing and Engine Operation

This paper quantifies the changes in turbine performance due to manufacturing tolerances and profile degradation of the blade-tip region during engine operation. An extensive numerical study was co...

[1]  Bruce M. Steinetz,et al.  Turbine Engine Clearance Control Systems: Current Practices and Future Directions , 2002 .

[2]  Jeremy Clyde Bailey,et al.  Effect of Squealer Cavity Depth and Oxidation on Turbine Blade Tip Heat Transfer , 2001 .

[3]  M. Eldred Recent Advances in Non-Intrusive Polynomial Chaos and Stochastic Collocation Methods for Uncertainty Analysis and Design , 2009 .

[4]  Habib N. Najm,et al.  Uncertainty Quantification and Polynomial Chaos Techniques in Computational Fluid Dynamics , 2009 .

[5]  Nicole L. Key,et al.  Comparison of Turbine Tip Leakage Flow for Flat Tip and Squealer Tip Geometries at High-Speed Conditions , 2006 .

[6]  Stephan Staudacher,et al.  Probabilistic Engine Performance Scatter and Deterioration Modeling , 2008 .

[7]  A. A. Ameri,et al.  Heat Transfer and Flow on the First-Stage Blade Tip of a Power Generation Gas Turbine: Part 2—Simulation Results , 2000 .

[8]  Cengiz Camci,et al.  Aerodynamics of Tip Leakage Flows Near Partial Squealer Rims in an Axial Flow Turbine Stage , 2005 .

[9]  Reza S. Abhari,et al.  Flow Physics and Profiling of Recessed Blade Tips: Impact on Performance and Heat Load , 2008 .

[10]  Francesco Montomoli,et al.  Uncertainty Quantification and Conjugate Heat Transfer: A Stochastic Analysis , 2013 .

[11]  Ronald Scott Bunker,et al.  The Effects of Manufacturing Tolerances on Gas Turbine Cooling , 2009 .

[12]  Srinath V. Ekkad,et al.  Effect of Tip Gap and Squealer Geometry on Detailed Heat Transfer Measurements Over a High Pressure Turbine Rotor Blade Tip , 2004 .

[13]  Li He,et al.  Turbine Blade Tip Heat Transfer in Low Speed and High Speed Flows , 2011 .

[14]  Ronald S. Bunker,et al.  Axial Turbine Blade Tips: Function, Design, and Durability , 2006 .

[15]  R S Bunker,et al.  A Review of Turbine Blade Tip Heat Transfer , 2001, Annals of the New York Academy of Sciences.

[16]  Alexander Lange,et al.  Impact of Manufacturing Variability on Multistage High-Pressure Compressor Performance , 2012 .

[17]  Ever Avriel Fadlun,et al.  Measurement Error Influence on Gas Turbine Operability for Condition-Based Maintenance and Reliability/Availability Improvement , 2008 .

[18]  P. Spalart A One-Equation Turbulence Model for Aerodynamic Flows , 1992 .

[19]  G. Paniagua,et al.  Blade Tip Carving Effects on the Aerothermal Performance of a Transonic Turbine , 2015 .

[20]  Francesco Montomoli,et al.  Geometrical uncertainty in turbomachinery: Tip gap and fillet radius , 2011 .

[21]  Rémi Philippe Oswald Olive,et al.  Heterogeneous Optimization Strategies for Carved and Squealer-Like Turbine Blade Tips , 2016 .

[22]  A. Jameson,et al.  Numerical solution of the Euler equations by finite volume methods using Runge Kutta time stepping schemes , 1981 .

[23]  Eric Warren Curtis,et al.  The Effect of Clearance on Shrouded and Unshrouded Turbines at Two Levels of Reaction , 2010 .

[24]  B. Glezer Turbine Blade Tip Clearance Improvement , 1991 .

[25]  Geoffrey T. Parks,et al.  Leakage Uncertainties in Compressors: The Case of Rotor 37 , 2015 .