US Patent 9310079 Combustion liner with open cell foam and acoustic damping layers

The disclosure is directed to a gas turbine engine combustion liner and a gas turbine engine. The gas turbine engine combustion liner may include a thermally cooled wall section, an acoustically damped wall section, or a thermally cooled and acoustically damped wall section. Open cell foam or honeycomb may be disposed between inner and outer combustion liner walls. The walls, open cell foam, or honeycomb may be made of a composite material.