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

Patent ·
OSTI ID:863766
 [1];  [2]
  1. Clifton Park, NY
  2. Ballston Lake, NY
+ Show Author Affiliations
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 airfoil coolant channels formed in the buckets of the turbine. The V-shaped notch weirs are formed in a separately machined cylindrical insert and serve to desensitize the flow of coolant into the individual platform and airfoil coolant channels to design tolerances and non-uniform flow distribution.
Research Organization:
General Electric Co
Assignee:
General Electric Company (Schenectady, NY)
Patent Number(s):
US 4244676
OSTI ID:
863766
Country of Publication:
United States
Language:
English

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Related Subjects

/416/
airfoil
buckets
channels
channels formed
coolant
coolant channel
coolant channels
coolant liquid
cooling
cylindrical
cylindrical insert
desensitize
design
disclosed
distribution
flow
flow distribution
formed
gas
gas turbine
improved
improved cooling
individual
insert
liquid
machined
meter
non-uniform
notch
notch weirs
platform
plurality
pool
separately
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tolerances
turbine
uniform flow
utilized
v-shaped
v-shaped notch
weirs