Large-Eddy Simulation Applications of Combustion Systems

Dear Colleagues,

Since its very beginning, the aerospace sector has consistently promoted scientific research. In particular, combustion systems, which encompass most aerospace engines for thrust generation, have been driving investigations into thermofluid dynamics, with a positive impact on other sectors, too, such as power generation for electric systems. The great interest in burning green propellants in gas turbines has opened new challenges for the identification of the most suitable combustion technology. The renewed interest in access to space adopting reusable launchers is pushing research in liquid and air-breathing rocket engines. Further, chemical propulsion has a main role in hypersonic and supersonic vehicles for atmospheric and trans-atmospheric flights and in missile interception. In such applications, the dynamics of reacting flows plays a central role. Although not yet fully integrated in the design process at industrial level due to its longer time-to-solution with respect to the commonly adopted RANS/FANS approach, large eddy simulation, able to capture large (resolved) turbulent scales behavior, is of great help in investigating dynamic physical mechanisms and in looking for control strategies to develop innovative combustion systems.

This Special Issue of Aerospace focuses on articles dealing with LES numerical investigation of combustion systems for gas turbines, ramjet, scramjet, liquid, solid, and hybrid rocket engines, especially covering topics where the role of dynamics is crucial, such as thermoacoustic instabilities, flame stabilization, blow-off, and real gas effects.

Dr. Eugenio Giacomazzi
Guest Editor

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