Combustor

A combustor for a turbine engine, the combustor comprising:

• a main chamber including an outer liner and an inner liner;
• one or more trapped vortex cavities extending from at least one of the outer liner or the inner liner;
• a plurality of mixing assemblies that injects fuel and air into the one or more trapped vortex cavities to generate a fuel-air mixture in the one or more trapped vortex cavities, the fuel-air mixture being combusted in the combustor to produce combustion gases in the one or more trapped vortex cavities, the one or more trapped vortex cavities providing the combustion gases to the main chamber;
• and
• a steam system in fluid communication with the main chamber, the steam system including one or more steam injectors, wherein the one or more steam injectors are in flow communication with the plurality of mixing assemblies, and at least one of the one or more steam injectors provide steam to at least one of the one or more trapped vortex cavities to supply the steam to the combustor, to reduce nitrogen oxide emissions and to reduce a specific fuel consumption of the turbine engine.