... ( 9 ), pp. 1770 – 1781 . 10.1016/j.ijthermalsci.2011.04.001 [14] Nowak , G. , and Nowak , I. , 2012 , “ Shape Design of Internal Cooling Passages Within a Turbine Blade ,” Eng. Optim. , 44 ( 4 ), pp. 449 – 466 . 10.1080/0305215X.2011.580742 [15] Nowak , G...

... of the mainstream flow was radially outward. Both smooth and dimpled channels with a 4:1 aspect ratio ( W : H ) were tested in order to simulate the internal cooling passage between mid-chord to the trailing edge of a gas turbine blade. The channel height and width were 13 mm and 52 mm, respectively. The dimple...