Process for directing a combustion gas stream onto rotatable bla

Details Process for directing a combustion gas stream onto rotatable bla Process for directing a combustion gas stream onto rotatable bla

1988-03-16

1989-06-06

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

60 3958, 415114, F02C 716

Patent

active

048359580

ABSTRACT:
A process for producing work comprises passing a combustion gas stream through a gas nozzle which directs the steam onto the rotatable blades of an expansion turbine. The trailing edge of the air-foil shaped vanes which form the gas nozzle is cooled by passing coolant steam through the interior of said vanes and passing said steam through a plurality of said spaced steam nozzles contained at the trailing edge of the vanes. Disruption of the laminar steam film on the surfaces of the nozzle ensures increased heat transfer.

REFERENCES:
patent: 2647368 (1953-04-01), Triebbnigg et al.
patent: 3729930 (1973-05-01), Williams
patent: 3804551 (1974-04-01), Moore
patent: 4136516 (1979-01-01), Corsmeier

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