... the design incidence angle, which was shown to have a little influence on surge margin in the present test results. blades compressors design engineering impellers Mach number Measured performance characteristics of AL ′ and BL ′ impellers Figure 13 shows...

... disk assembly with a blisk. aerospace engines blades compressors design engineering discs (structures) friction vibrations 10 12 2009 09 11 2010 19 07 2011 19 07 2011 To illustrate this argument, additional mistuning is added to 100 randomly mistuned, 24...

... of this paper. 30 06 2010 01 07 2010 15 07 2011 15 07 2011 aerodynamics blades cooling design engineering hydraulic turbines mass transfer transonic flow valves The subject of film cooling and the manner in which the aerodynamics are influenced by the injected flow...

... aerodynamics blades compressors computational fluid dynamics curve fitting design engineering fans genetic algorithms mechanical engineering computing neural nets response surface methodology rotors turbomachinery Aerodynamic design methods for turbomachinery blades have passed a long...

... performance in an environment with leakage flows and associated cavities. 26 11 2008 04 12 2008 14 07 2011 14 07 2011 blades design engineering flow control turbines The implementation of blade lean and other three-dimensional geometrical features to control the flow...

... 2011 28 02 2011 blades design engineering film flow flow measurement heat transfer infrared imaging turbines velocimeters Film cooling of gas turbine stator and rotor airfoil surfaces has played a major role in preserving the structural integrity of these hot-section...

... recent years. blades computational fluid dynamics design engineering gas turbines heat transfer rotors stators transonic flow turbulence 29 12 2009 12 01 2010 28 02 2011 28 02 2011 2011 American Society of Mechanical Engineers ...

.... , and Feng , Z. P. , 2007 , “ Aerodynamic Design of Turbine Blades by Using Adjoint-Based Method and N-S Equation ,” ASME Paper No. GT2007-27734. 21 08 2009 05 11 2009 16 11 2010 16 11 2010 aerodynamics blades compressible flow computational fluid dynamics design...

... compressors computational fluid dynamics design engineering gas turbines mechanical engineering computing rotors stators A key method of increasing the cycle efficiency of a gas turbine is to increase the overall pressure ratio. Increasing the pressure ratio, or reducing the number of stages...

... tools may supply a preliminary quantitative description of all relevant physical phenomena, those set in a wheel space region. computational fluid dynamics confined flow design engineering discs (structures) drag engines flow simulation friction gas turbines heat transfer rotational...

... the experimental data at the rotor exit shows the greatest unsteadiness within the rotor hub passage with the first endwall design. 20 07 2009 21 07 2009 21 10 2010 21 10 2010 blades design engineering discs (structures) jets rotors sealing materials stators turbines vortices...

... been present in the tests, it is not clear why they do not lead to massive boundary layer separation and a severe degradation in performance.” This raises the question of whether the spikes affect blade performance. blades compressors design engineering 20 07 2009 30 07 2009...

.... This increases the availability of the compressors, thus effectively minimizing their life cycle costs. blades compressors computational fluid dynamics design engineering diffusion impellers Mach number stators 17 07 2009 24 07 2009 19 10 2010 19 10 2010 Blade...

... , pp. 279 – 287 . 10.1115/1.3239560 08 07 2009 23 07 2009 23 09 2010 23 09 2010 aerodynamics blades damping design engineering elasticity flow instability Navier-Stokes equations The demand in turbomachine designs for higher aerothermal performance...

... , New York . Kirby , M. , 2002 , Geometric Data Analysis. An Empirical Approach to Dimensionality Reduction and the Study of Patterns , Wiley , New York . 10 01 2009 21 07 2009 21 09 2010 21 09 2010 aerodynamics design engineering engines gas turbines...

... . Cumpsty , N. A. , 1997 , Jet Propulsion , Cambridge University Press , Cambridge, UK . 10 01 2009 21 07 2009 21 09 2010 21 09 2010 aerodynamics compressors design engineering engines gas turbines Gas turbines are complex multidisciplinary systems...

... . 10.2514/3.23004 28 08 2008 10 02 2009 09 09 2010 09 09 2010 blades computational fluid dynamics design engineering Navier-Stokes equations rotors stators subsonic flow turbines turbulence Numerical flow simulation is regularly used to analyze the flow...

... in secondary flow features as were previously observed experimentally, with associated changes in heat transfer with the blade tip. 02 03 2009 16 03 2009 07 04 2010 07 04 2010 blades design engineering engines flow measurement flow simulation gas turbines heat transfer...

...–19. Casey , M. V. , Gersbach , F. , and Robinson , C. J. , 2008 , “ A New Optimization Technique for Radial Compressor Impellers ,” ASME Paper No. GT2008-50561. blades compressors design engineering turbomachinery In most turbomachinery design systems...

... aircraft design engineering durability gas turbines jet engines orifices (mechanical) In order to meet challenging efficiency targets, modern aircraft gas turbines are designed to operate with main gas path turbine temperatures exceeding the fatigue limit of some of the components. Therefore...