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Radial diffuser exhaust system

一种排气系统、扩散器的技术，应用在机器/发动机、机械设备、发动机元件等方向，能够解决轴向排气不实际等问题

Active Publication Date: 2015-11-04
GENERAL ELECTRIC TECH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While it is aerodynamically beneficial to use a horizontal exhaust configuration, this axial exhaust is impractical due to the overall footprint implications

Method used

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Examples

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Embodiment Construction

[0014] Referring now to the drawings, wherein like numerals represent like elements in the several views, figure 1 A schematic diagram of a gas turbine engine 10 as may be used herein is shown. Gas turbine engine 10 may include a compressor 15 . Compressor 15 compresses an incoming air stream 20 . Compressor 15 delivers compressed air stream 20 to combustor 25 . Combustor 25 mixes compressed air stream 20 with pressurized fuel stream 30 and ignites the mixture to produce combustion air stream 35 . Although only a single combustor 25 is shown, the gas turbine engine 10 may include any number of combustors 25 . The combustion airflow 35 is then routed to a turbine 40 . Combustion gas flow 35 drives turbine 40 to produce mechanical work. The mechanical work generated in turbine 40 drives compressor 15 via shaft 45 and an external load 50 (eg, generator, etc.).

[0015] Gas turbine engine 10 may operate on natural gas, liquid fuels, various types of syngas, and / or other type...

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Abstract

The present application provides a radial diffuser exhaust system for use with a gas turbine engine. The radial diffuser exhaust system may include a radial diffuser positioned within an asymmetric exhaust collector. The asymmetric exhaust collector may include a closed end chamber and an exhaust end chamber. The closed end chamber may have a first size, the exhaust end chamber may have a second size, and the first size may be smaller than the second size.

Description

technical field [0001] This application and the resulting patent relate generally to gas turbine engines, and more particularly to gas turbine engines having a radial diffuser exhaust system having an enlarged expansion region upstream of a support strut, having a deflector lip diffuser guides, and asymmetric exhaust collectors. Background technique [0002] During normal operation of a gas turbine engine, one of the major aerodynamic challenges involves the efficient discharge of the high momentum combustion gas stream leaving the last stage of the turbine. While it is aerodynamically beneficial to use a horizontal exhaust configuration, this axial exhaust is impractical due to the overall footprint implications. Given these, the standard implementation is to use vertical and side mounted exhausters that radially divert the combustion flow from the axial turbine. In particular, radial diffusers may be used to direct the combustion gas flow in a radial direction. Radial d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01D25/30
CPCF01D25/30
Inventor F.洛佩斯-帕拉B.彭努拉P.德雷泽克M.M.巴拉迪R.耶拉姆D.G.莱英
Owner GENERAL ELECTRIC TECH GMBH
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