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US 2010/0247328 A1Published application
Microcircuit cooling for blades
AssigneeUnited Technologies Corporation
InventorFrancisco J. Cunha
Life of this patent
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Abstract
A turbine engine component, such as a turbine blade, includes at least one cooling circuit having a plurality of legs through which a cooling fluid flows, and a plurality of cooling devices in at least one of the legs. Each of the cooling devices has a heat transfer multiplier in the range of from 1.8 to 2.4 and a reattachment length in the range of from 1.9 to 2.5.
Claims21
A turbine engine component comprising:
- at least one cooling circuit having a plurality of legs through which a cooling fluid flows;
- and
- a plurality of cooling devices in at least one of said legs, each of said cooling devices having a heat transfer multiplier in the range of from 1.8 to 2.4 and a reattachment length in the range of from 1.9 to 2.5.
A cooling microcircuit for use in a turbine engine component comprising:
- a first leg for receiving a cooling fluid;
- a second leg for receiving said cooling fluid from said first leg;
- a third leg for receiving said cooling fluid from said second leg;
- at least one of said first and second legs containing a plurality of cooling devices;
- and
- each of said cooling devices having a heat transfer multiplier in the range of from 1.8 to 2.4 and a reattachment length in the range of from 1.9 to 2.5.
3 more elements
Dependencies are inferred from the claim text.