Cooling system for a gas turbine using V-shaped notch weirs

Details Cooling system for a gas turbine using V-shaped notch weirs Cooling system for a gas turbine using V-shaped notch weirs

1978-05-30

1980-07-15

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

Changing state mass within or fluid flow through working...

416 97R, F01D 518

Patent

active

042125871

ABSTRACT:
An improved cooling system for a gas turbine is disclosed. A plurality of V-shaped notch weirs are utilized to meter a coolant liquid from a pool of coolant into a plurality of platform and air foil coolant channels formed in the buckets of the turbine. The V-shaped notch weirs serve to desensitize the flow of coolant into the individual platform and air foil coolant channels to design tolerances and non-uniform flow distribution.

REFERENCES:
patent: 3446481 (1969-05-01), Kydd
patent: 3658439 (1972-04-01), Kydd
patent: 3804551 (1974-04-01), Moore
patent: 3856433 (1974-12-01), Grondahl et al.
patent: 4017210 (1977-04-01), Darrow

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