US 6,655,146 B2 · Hybrid film cooled combustor liner

Abstract

A combustor liner has an annular shell which includes a first portion and a second portion. The first portion is provided with slot film cooling and the second portion is provided with multi-hole film cooling. The multi-hole cooling portion can be located either forward or aft of the slot film cooling portion, depending on the nature of the combustor that the liner is to be used in. In one possible embodiment, the liner includes a first annular panel, a second annular panel section joined at its forward end to the aft end of the first panel section, and a third annular panel section being joined at its forward end to the aft end of the second panel section. At least one of the panel sections has multi-hole film cooling and at least one other of the panel sections has slot film cooling.

Claims8

Dependent claims

A combustor liner comprising:

a first annular panel section having a forward end and an aft end;
a second annular panel section having a forward end and an aft end, said second panel section being joined at its forward end to said aft end of said first panel section;
and
a third annular panel section having a forward end and an aft end, said third panel section being joined at its forward end to said aft end of said second panel section, wherein at least one of said panel sections has an array of multi-hole film cooling holes formed therein, and at least one other of said panel sections has a cooling nugget including a film cooling slot disposed at said forward end thereof, and wherein said at least one other of said panel sections having a cooling nugget does not have multi-hole film cooling holes formed therein, and said at least one of said panel sections having said multi-hole film cooling holes formed therein does not have a cooling nugget.

1 more element

Dependencies are inferred from the claim text.

Hybrid film cooled combustor liner

Life of this patent

Hybrid film cooled combustor liner

Life of this patent

Abstract

Claims8