...: (a) averaged heat transfer enhancement and (b) total heat transfer enhancement Fig. 2 Geometrical configurations of numerical wedge-shaped channels represent a gas turbine trailing edge: ( a ) pin fin, ( b ) gyroid-solid, ( c ) diamond-solid, ( d ) IWP-solid, ( e ) gyroid-sheet, ( f ) diamond-sheet...

...Bai-Tao An; Jian-Jun Liu; Si-Jing Zhou Multirow film cooling is widely used in gas turbine airfoils cooling to cope with extremely high inlet temperature. The film cooling effectiveness of diffusion slot holes was measured in multirow arrays at a flat plate experimental facility using the pressure...

... turbine airfoil heat exchanger intercooler recuperator Intercooled, recuperated aviation gas turbines (IR gas turbines) have the strong potential to reduce fuel consumption in aviation. Intercoolers and recuperators enhance the gas turbine cycle efficiency from a thermodynamic point of view...

... on reducing the high temperatures on the endwall surface induced by the unsteady wakes. gas turbine convective heat transfer unsteady wake effect endwall heat transfer Gas turbine inlet temperatures have increased over the years to improve thermal efficiency. However, NO x emissions increase...

... , “ Film-Cooling on a Gas Turbine Blade Pressure Side or Suction Side With Compound Angle Shaped Holes ,” ASME J. Turbomach. , 131 ( 1 ), p. 011019 . 10.1115/1.2813012 [3] Narzary , D. P. , Liu , K. C. , and Rallabandi , A. P. , 2010 , “ Influence of Coolant Density on Turbine Blade...

... and boundary layer unsteadiness. 18 09 2011 04 03 2012 09 07 2012 09 07 2012 thin film gauges gas turbine convective heat transfer The thermal design, evaluation, and management of turbomachinery components require invariant descriptors of the heat transfer process...

... induced secondary flow on the heat transfer coefficient was not as significant as that for the smooth channel case. References 1 Han , J. C. , Dutta , S. , and Ekkad , S. V. , 2000 , Gas Turbine Heat Transfer and Cooling Technology , Taylor & Francis , New York . 2 Han...

... factors increased with rotation number due to the increased Sherwood number ratios and decreased friction factor ratios. 30 08 2010 12 08 2011 27 10 2011 27 10 2011 channel flow gas turbines heat transfer mass transfer rotational flow swirling flow turbulence gas...

... this, impingement/effusion cooling could be incorporated into the rotor blades. However, there have been relatively few studies of rotating impingement/effusion cooling systems. impingement/effusion cooling gas turbine heat transfer Coriolis force rotation blades cooling jets mass transfer...

... = 3.57 × 10 5 and Tu = 8.5 % , Han and Goldstein ( 10 ) Sherwood number contour plot with Re ex = 4.97 × 10 5 and Tu = 8.5 % , Han and Goldstein ( 10 ) blades boundary layers gas turbines heat transfer heat/mass transfer analogy...

...Jaeyong Ahn; M. T. Schobeiri; Je-Chin Han; Hee-Koo Moon Detailed film cooling effectiveness distributions are measured on the leading edge of a rotating gas turbine blade with two rows (pressure-side row and suction-side row from the stagnation line) of holes aligned to the radial axis using...