Preliminary Developments towards a High-order and Efficient Les Code for Propulsion Applications

An advanced LES code, named SPARK-LES, is currently under development at CIRA within the frame of the HYPROB program. The general goal of the HYPROB program, coherently with CIRA programmatic guidelines in the field of Aerospace Propulsion, is to improve CIRA design and research capabilities on Liquid Rocket Engines, and in particular on the LOx/CH4 oxidizer-fuel mixture. One of the objectives of the HYPROB program is to develop enabling qualified technologies and corresponding high-fidelity simulation tools to support the design of propulsion systems. In this framework, Large-Eddy Simulation (LES) has emerged over the last years as a promising and reliable technique to perform unsteady computations of reacting flows in lowas well as high-pressure environments [1]. In particular, the final goal of SPARK-LES is to perform accurate simulations of liquid-rocket thrust chambers with suitable numerical/physical models.