... asymptote is quantified, and it is suggested how the orifice model could be used to extrapolate the effectiveness data obtained from an experimental rig to engine-operating conditions. 14 07 2010 22 07 2010 15 07 2011 15 07 2011 engines orifices (mechanical) swirling flow...

... turbines orifices (mechanical) swirling flow Figure 1 illustrates a typical high-presure gas-turbine stage showing the rim seal and the wheel-space between the stator and the rotating turbine disk. Cooling air is supplied through the inner seal, and air leaves the wheel-space through the rim...

... with the available experimental data, but there are insufficient published data to validate the theory for combined ingress. 23 07 2009 10 08 2009 12 11 2010 12 11 2010 compressible flow gas turbines orifices (mechanical) seals (stoppers) swirling flow In Part I of this two...

... 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...

... orifices (mechanical) pressure measurement seals (stoppers) wakes In the state-of-the-art aircraft and electric power generation gas turbine engines, the high-pressure turbine disks are purged with coolant air through the wheel space. This air reduces the thermal load of the disk and prevents...

... Around Diffusion Shaped Holes ,” ASME Paper No. 99-GT-34. 27 10 2004 28 04 2005 gas turbines orifices (mechanical) cooling temperature measurement thermocouples infrared imaging In state-of-the-art gas turbine cooling schemes film cooling is a well-accepted and widely...

... Uncertainties in Single-Sample Experiments ,” Mech. Eng. (Am. Soc. Mech. Eng.) 0025-6501 , 75 , pp. 3 – 8 . 01 10 2004 01 02 2005 jets ducts orifices (mechanical) convection cooling gas turbines pipe flow The continuing pursuit of high inlet temperature in gas turbines...

... 10 2004 01 02 2005 rotors micromechanical devices machine bearings turbomachinery hydrostatics orifices (mechanical) Green's function methods compressible flow viscosity In a previous paper by Teo and Spakovszky ( 1 ), the authors presented an analytical model...