Numerical Study of the Effect of Bluff Body Geometry on Drag Force and Flow Pattern
Keywords:
Turbine engines, bluff body, V-gutter, drag, recirculation zone, numerical simulation, flame holder.Abstract
One of the methods to increase thrust in turbojet engines without increasing engine volume and weight is the use of afterburners. Afterburners are typically used for short durations, such as during takeoff, climb, and reaching maximum flight speed, as well as during maneuvering. One of the main challenges during afterburner operation is flame stability. Bluff bodies are commonly used in turbine engines to ensure flame stability.
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Bush, Scott M., and Ephraim J. Gutmark. Reacting and nonreacting flowfields of a Vgutter stabilized flame. AIAA journal 45.3
(2007): 662-672, https://doi.org/10.2514/1.22655
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