Optimization of a Cylindrical Film Cooling Hole using Surrogate Modeling

Comparative study of large eddy simulation of film cooling using a dynamic global-coefficient subgrid scale eddy-viscosity model with RANS and Smagorinsky Modeling

“…Film cooling effectiveness depends on many parameters like cooling hole shape, cooling hole inclination, arrangement of row of holes, properties of mainstream fluid, coolant to mainstream blowing ratio, density ratio and momentum flux ratio. Accordingly most of the numerical studies [3][4][5][6][7][8][9][10][11][12][13][14][15][16][17] in literatures have been performed to investigate the effects of aforementioned parameters on film cooling flows and less concentration on more accurate numerical simulation of film cooling problems is made especially in Large eddy Simulation [18][19][20][21][22][23][24][25][26]. In this paper, a new eddy-viscosity subgrid-scale model proposed by You and Moin [1] was used for large-eddy simulation of a film cooling flow.…”

Validation of three dimensional film cooling modeling on convex surface for gas turbine blade

“…The main result is that the sister hole technique significantly improves the effectiveness at all blowing ratios. Lee and Kim [11] conducted a study for optimization of a cylindrical film cooling hole by surrogate modeling approach using three-dimensional Reynolds-average Navier-Stokes analysis. Performances of three basic surrogate models and three weighted average surrogate models have been evaluated.…”

Computational prediction into staggered film cooling holes on convex surface of turbine blade

“…Lee and Kim [8] conducted a study for optimization of a cylindrical film cooling hole by surrogate modeling approach using threedimensional Reynolds-average Navier-Stokes analysis. Performances of three basic surrogate models and three weighted average surrogate models have been evaluated.…”