... implicitly by the appropriate choice of the relevant empirical parameters. That is, the model needs to know nothing about these structures (as it needs to know nothing about Δ C p ) in order to estimate Φ min from the effectiveness data for RI or EI ingress. engines orifices...

... 2010 12 11 2010 blades compressible flow confined flow gas 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...

... 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...

... 05 04 2010 aerospace components 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...

... 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...

... cooling performance, e.g., manufacturing facilitations. 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 used...

... of the orifices were assumed uniform. In this work, an approach employing Green’s functions is presented, which allows one to extend the applicability of the original model. rotors micromechanical devices machine bearings turbomachinery hydrostatics orifices (mechanical) Green's function methods...

... are investigated. The varying-diameter results are compared with those from a corresponding array of uniform jet diameter. 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...