... No. GT2008-50788. Vassiliev , V. , Mooslechner , N. , Kostege , M. , and Granovskiy , A. , 2007 , “ Aerodynamic Characteristics of a Redesigned Turbine ,” ASME Paper No. GT2007-27472. channel flow computational fluid dynamics exhaust systems gas turbines Mach number swirling...

... . Metzger , D. E. , and Larson , D. E. , 1986 , “ Use of Melting Point Surface Coatings for Local Convection Heat Transfer Measurements in Rectangular Channel Flows With 90-deg Turns ,” ASME J. Heat Transfer , 108 , pp. 48 – 54 . 0022-1481 Shevchuk , I. V. , Jenkins , S. , von...

... , New York . blades boundary layers channel flow Coriolis force flow simulation heat transfer turbines Modern turbine blades are exposed to increasingly hot combustion gas temperatures required to increase the overall thrust of the turbine. These combustion gas temperatures more...

... . Studies by Rau et al. ( 22 ), Han et al. ( 23 ), Hirota et al. ( 24 ), Liou et al. ( 25 ), Taslim and Wadesworth ( 26 ), and Yokosawa et al. ( 27 ) have offered the above insight on ribbed channel flow and heat transfer. ( a ) Effect of rib on near wall flow separation, reattachment, and circulation...

... channel high rotating number turbine rotor blade cooling 02 09 2010 12 10 2010 26 05 2011 26 05 2011 channel flow heat transfer rotors turbines Taslim , M. E. , Bondi , L. A. , and Kercher , D. M. , 1991 , “ An Experimental Investigation...

... aerodynamics cavitation channel flow finite volume methods heat transfer jets Navier-Stokes equations temperature distribution State-of-the-art gas turbine engines are designed to operate at turbine inlet temperatures over 1850 K. Since modern alloys can withstand temperatures up to about 1350 K...

.... Local convection coefficients are the result of both the jet impact, as well as the channel flow produced from the exiting jets. Numerous studies have explored the effects of jet array and channel configurations on both target and jet plate heat transfer coefficients. However, most current studies use...

... channel flow cooling finite volume methods gas turbines heat transfer Navier-Stokes equations turbulence Gas turbines find a broad range of applications, e.g., in land-based power generation in stationary gas turbines as well as in aircraft propulsion. The continuous demand for increased...

... 2009 19 10 2010 19 10 2010 blades channel flow cooling finite volume methods gas turbines mass transfer Navier-Stokes equations turbulence Gas turbines find a broad range of applications, e.g., in land-based power generation in stationary gas turbines as well...

... transfer induced by the Coriolis force generally perceived in a ribbed or smooth channel is less evident in a pin-fin channel. One of the well-known notions for rotating channel flow of an orthogonal mode is that the level of heat/mass transfer decreases on the leading surface, but increases...

... fracture. blades channel flow gas turbines heat transfer 10 07 2009 13 07 2009 05 10 2010 05 10 2010 2011 American Society of Mechanical Engineers ...

... number, which is consistent with the augmentation factors derived from literature that were applied to the ANSYS model. The nature of ribbed channel flow is such that at low Reynolds numbers, higher augmentations in friction factors and heat transfer occur. At lower Reynolds numbers, turbulators...

... at zero-buoyancy condition, against R o at BP and FP locations. 20 08 2008 31 08 2008 21 01 2010 21 01 2010 boundary layer turbulence channel flow heat transfer rotational flow rotor blade cooling pin-fin rotating channel high rotating number...

... being used in this study. The flow field was modeled for jets with an aspect ratio of 1, 1.2, 1.5, and 2, and for circular jet with a hole axis inclined by 30 deg upstream into the oncoming channel flow. Angling of the hole has been shown to improve jet penetration ( 13 14 ), but is difficult...

... to predict the rotational heat transfer in the equilateral triangular channel. 29 08 2008 21 09 2008 09 07 2009 blades channel flow compressed air systems compressible flow cooling gas turbines Internal gas turbine blade cooling passage Based on the data available...

... negligible compared with the primary variables such as the suction ratio and extraction angle.o 07 12 2007 31 08 2008 30 06 2009 blades boundary layers channel flow combustion computational fluid dynamics cooling gas turbines heat conduction jet engines thin film devices...

... blades channel flow stators turbines vortices wakes As more demand is placed on gas turbines, it is vital that these engines operate as efficiently as possible. Increasing the thermal efficiency of the engine can be achieved by increasing the temperature of the working gas entering...

... ) . 13 09 2007 25 07 2008 29 01 2009 channel flow convection engines friction gas turbines turbulence Modern high-performance gas turbine engines operate at high entry gas temperature, well above the allowable metal temperature. Therefore, highly efficient cooling...

... curvature exists for which heat transfer is the highest. 25 07 2006 18 09 2006 22 01 2009 blades channel flow coolants ducts heat transfer mass transfer Internal blade cooling involves serpentine passages inside the blade through which coolant air is passed to absorb heat...

... both on the nose and sidewalls; (b) even for an axial to jet mass flow ratio as high as 5, the convective heat transfer coefficient produced by the axial channel flow was less than that of the impinging jet without the presence of the external cross-flow; and (c) the agreement between the numerical...