System with conduit arrangement for dual utilization of cooling fluid in a combustor section of a gas turbine engine

Patent metadata

Field	Value
Publication number	US-11204164-B2
Application number	US-201816488655-A
Country	US
Kind code	B2
Filing date	Mar 22, 2018
Priority date	Mar 30, 2017
Publication date	Dec 21, 2021
Grant date	Dec 21, 2021

Abstract

A system effective for dual utilization of cooling fluid in a gas turbine engine is provided. A cooling annulus is subject to a hot-temperature combustion flow received from a combustor basket and includes a liner including a feed channel to receive cooling fluid. A feed manifold is in fluid communication with feed channel to feed cooling fluid to a plurality of conduits in fluid communication with a plurality of exit orifices that is in fluid communication with a plurality of resonators. A distributor manifold includes a plurality of manifold sectors in fluid communication with a plurality of conduits arranged to convey cooling fluid. Some of the plurality of resonators operates with different amounts of cooling fluid. A group of the plurality of exit orifices is configured to supply an amount of cooling fluid appropriate for a resonator in fluid communication with the group of the plurality of exit orifices.

First claim

What is claimed is:

1. A system effective for dual utilization of cooling fluid in a gas turbine engine, the system comprising:
a cooling annulus subject to a hot-temperature combustion flow received from a combustor basket and passing between an upstream side and a downstream side of the cooling annulus, the cooling annulus comprising a liner including at least one feed channel to receive the cooling fluid;
a feed manifold in fluid communication with the at least one feed channel to feed the cooling fluid to a plurality of conduits that extend in an upstream direction, the plurality of conduits in fluid communication with a plurality of exit orifices of the cooling annulus; and
a plurality of resonators constructed in the liner in fluid communication with respective ones of the exit orifices of the cooling annulus, at least some of the plurality of resonators configured to operate with different amounts of the cooling fluid,
wherein a respective group of the plurality of exit orifices of the cooling annulus is respectively configured to supply an amount of the cooling fluid for a respective one of the plurality of resonators in fluid communication with the respective group of the plurality of exit orifices of the cooling annulus, and
an enclosure enclosing an exterior of the respective one of the plurality of resonators and defining a chamber therebetween, and wherein the respective group of the plurality of exit orifices of the cooling annulus is located within the chamber to pass the cooling fluid into the chamber after exiting the respective group of the plurality of exit orifices.

2. The system of claim 1 , wherein the feed manifold is disposed proximate the downstream side of the cooling annulus.

3. The system of claim 2 , wherein the plurality of exit orifices of the cooling annulus is disposed at the upstream side of the cooling annulus.

4. The system of claim 3 , wherein the respective one of the plurality of manifold sectors of the distributor manifold comprise a different number of wall orifices and/or a different orifice geometry to supply the amount of the cooling fluid for the respective one of the plurality of resonators in fluid communication with the respective one of the plurality manifold sectors of the distributor manifold than another respective one of the plurality of manifold sectors of the distributor manifold configured to supply another amount of the cooling fluid for another respective one of the plurality of resonators.

5. The system of claim 2 , wherein an entrance of the feed channel is disposed between the upstream side and the downstream side of the cooling annulus.

6. The system of claim 1 , wherein the feed manifold and the plurality of conduits in fluid communication with the plurality of exit orifices of the cooling annulus are arranged over a circumferential sector of the cooling annulus.

7. The system of claim 1 , wherein the plurality of conduits extend along coplanar axes in the cooling annulus.

8. The system of claim 1 , wherein the respective group of the plurality of exit orifices of the cooling annulus comprises a different number of wall orifices and/or a different orifice geometry to supply the amount of the cooling fluid for the respective one of the plurality of resonators in fluid communication with the respective group of the plurality of exit orifices of the cooling annulus than another respective group of the plurality of exit orifices of the cooling annulus configured to supply another amount of the cooling fluid for another respective one of the plurality of resonators.

9. A system effective for dual utilization of cooling fluid in a gas turbine engine, the system comprising:
a cooling annulus subject to a hot-temperature combustion flow received from a combustor basket and passing between an upstream side and a downstream side of the cooling annulus, the cooling annulus comprising a liner including a plurality of conduits arranged to convey cooling fluid received at a plurality of admittance orifices to a plurality of exit orifices;
a distributor manifold comprising a plurality of manifold sectors in fluid communication with the plurality of exit orifices of the cooling annulus to receive the cooling fluid conveyed by the conduits;
a plurality of resonators in fluid communication with the distributor manifold, at least some of the plurality of resonators configured to operate with different amounts of the cooling fluid, wherein a respective one of the plurality of manifold sectors of the distributor manifold is configured to supply an amount of the cooling fluid for a respective one of the plurality of resonators in fluid communication with the respective one of the plurality of manifold sectors of the distributor manifold,
an enclosure enclosing an exterior of the respective one of the plurality of resonators and defining a chamber therebetween, and
wherein the respective group of the plurality of exit orifices of the cooling annulus is located within the chamber to pass the cooling fluid into the chamber after exiting the respective group of the plurality of exit orifices.

10. The system of claim 9 , wherein the distributor manifold is disposed proximate the upstream side of the cooling annulus.

11. The system of claim 9 , wherein the plurality of resonators comprises a common circumferentially extending wall including wall orifices in fluid communication with the distributor manifold to receive the cooling fluid.

12. The system of claim 9 , wherein a respective one of the plurality of conduits comprises a first conduit segment extending in a downstream direction from a respective admittance orifice to a start of a second conduit segment routed from the downstream direction to an upstream direction, wherein the respective one of the plurality of conduits further comprises a third conduit segment extending in the upstream direction from an end of the second conduit segment to a respective exit orifice in fluid communication with the distributor manifold.

13. The system of claim 12 , wherein a further one of the plurality of conduits comprises a conduit segment extending in the upstream direction from a respective admittance orifice spaced apart upstream from the respective admittance orifice of the first conduit segment to a respective exit orifice in fluid communication with the distributor manifold.

14. The system of claim 12 , wherein the first conduit segment and the third conduit segment comprise straight conduit segments, and the second conduit segment comprises a curving conduit segment.

15. The system of claim 14 , wherein the first conduit segment, the second conduit segment and the third conduit segment in combination define a J-shaped conduit.

16. The system of claim 12 , wherein the first conduit segment, the second conduit segment and the third conduit segment extend along coplanar axes in the cooling annulus.

Assignees

• Siemens Energy Global Gmbh & Co Kg

Inventors

• Gambacorta Domenico
• Dyszkiewicz Wojciech
• Cassar Daniel
• Johnson Clifford E

Classifications

• F23M5/085 Primary

  using air or other gas as the cooling medium · CPC title

• F23R3/002

  Wall structures (F23R3/02 and F23R3/007 take precedence) · CPC title

• F23R2900/03043

  Convection cooled combustion chamber walls with means for guiding the cooling air flow · CPC title

• F23R2900/00014

  Reducing thermo-acoustic vibrations by passive means, e.g. by Helmholtz resonators · CPC title

• F01D9/023

  Transition ducts between combustor cans and first stage of the turbine in gas-turbine engines; their cooling or sealings · CPC title