초록 ▼

Disclosed is a device for cooling the trailing edge segment of a liner on a convergent flap of a nozzle on a gas turbine engine. The trailing edge cooling device enhances the cooling of the liner without introducing turbulence into the coolant, thereby allowing the coolant to be used to film cool do

Disclosed is a device for cooling the trailing edge segment of a liner on a convergent flap of a nozzle on a gas turbine engine. The trailing edge cooling device enhances the cooling of the liner without introducing turbulence into the coolant, thereby allowing the coolant to be used to film cool downstream components. In addition, the present invention increases the longitudinal rigidity of the trailing edge of the liner to provide support for the trailing edge without significantly reducing the lateral flexibility of the liner required for thermal expansion.

대표청구항 ▼

A trailing edge cooling device for cooling a trailing edge of a liner on a planar nozzle flap exposed to exhaust gas from a gas turbine engine, the trailing edge secured in spaced relation to a hinge portion of the planar nozzle flap defining an exhaust passage therebetween through which coolant flo

A trailing edge cooling device for cooling a trailing edge of a liner on a planar nozzle flap exposed to exhaust gas from a gas turbine engine, the trailing edge secured in spaced relation to a hinge portion of the planar nozzle flap defining an exhaust passage therebetween through which coolant flows into the exhaust gas, said trailing edge cooling device comprising: a plurality of cooling fins attached to the liner adjacent the trailing edge, each of the fins substantially perpendicular to the planar nozzle flap and extending into the exhaust passage for transferring heat from the liner to the coolant, wherein the liner includes ribs which are secured to the liner parallel to the cooling fins, and at least one of the cooling fins is attached to an end of each rib in cantilevered fashion to support the trailing edge of the liner against the pressure of the exhaust gas.