Method for cooling a component and appliance for carrying out th

Details Method for cooling a component and appliance for carrying out th Method for cooling a component and appliance for carrying out th

1994-08-15

1996-12-10

Thorpe, Timothy S.

Power plants

Combustion products used as motive fluid

60752, F23R 302

Patent

active

055819940

ABSTRACT:
In a method for cooling a thermally loaded component (1) with a plate-type outer wall (2), in which method cooling air is supplied, in a first cooling section (A) of the component (1), through a cooling air supply (5) in the direction towards the outer wall (2) and is deflected laterally before the outer wall (2) and in a second cooling section (B) is further guided parallel to the outer wall (2) in a laterally adjoining cooling air duct (3) for the purpose of further cooling, homogenization of the cooling is achieved wherein, in order to reduce the impingement cooling in the first cooling section (A), the cooling airflow coming from the cooling airsupply (5) is subdivided into a main flow and a by-pass flow, the main flow is guided directly along the outer wall (2) of the component (1) to the cooling air duct (3), the by-pass flow is guided to the cooling air duct (3) without contacting the outer wall (2) and both partial flows are recombined at the inlet to the cooling air duct (3).

REFERENCES:
patent: 4339925 (1982-07-01), Eggmann et al.
patent: 4719748 (1988-01-01), Davis, Jr. et al.
patent: 4872312 (1989-10-01), Iizuka et al.
patent: 4896510 (1990-01-01), Foltz
patent: 4916905 (1990-04-01), Havercroft
patent: 5363653 (1994-11-01), Zimmermann et al.
"Cooling Structure of Combustor of Gas Turbine", Pat. Abstracts of Japan, M-1118, May 30, 1991, vol. 15, No. 212.
"Cooling Structure for Tail of Combustor", Pat. Abstracts of Japan, M-752, Oct. 12, 1988, vol. 12, No. 381.

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