Control of cooling flows for high-temperature combustion chamber

Details Control of cooling flows for high-temperature combustion chamber Control of cooling flows for high-temperature combustion chamber

1998-01-14

2000-08-22

Kim, Ted

Power plants

Combustion products used as motive fluid

Combustion products generator

60757, 60747, F02K 306, F02C 100

Patent

active

061053716

ABSTRACT:
The invention relates to the control of air flows for cooling the axial walls of a high-temperature combustion chamber in which the walls are provided with through holes forming multiple perforations, and involves arranging the multiple perforations so that the cooling airflow permeability of the walls in the downstream zone of the chamber decreases in the downstream direction in order to compensate for the effects of the increase in pressure drop due to variation of the gas flow velocity. The invention is particularly applicable to sharply convergent combustion chambers such as twin-head combustion chambers.

REFERENCES:
patent: 3557553 (1971-01-01), Schmitz
patent: 3584972 (1971-06-01), Bratkovich
patent: 3623711 (1971-11-01), Thorstenson
patent: 4242871 (1981-01-01), Breton
patent: 4315406 (1982-02-01), Bhangu et al.
patent: 5398496 (1995-03-01), Taylor et al.
patent: 5524430 (1996-06-01), Mazeaud et al.
patent: 5758504 (1998-06-01), Abreu et al.

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