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The scope of this work is to contribute towards a more efficient cooling design platforms for gas turbines. Concave and convex schemes of rhomboid dimples, arranged irregularly in a cooling channel, are numerically modeled and studied for their effects on heat transfer and cooling of turbine blades. Research is fulfilled in Gambit and Fluent based on a mathematical model and specified boundary conditions for modeling of aeroand thermodynamic characteristics of flow in cooling ducts. The proposed design shape and arrangement of dimples is found to be very promising and effective for intensive heat transfer and cooling in gas turbines and other industrial applications.

Rhomboid Concave and Convex Dimples Applied for Cooling in Gas Turbines