Turbine airfoil with an internal cooling system having vortex forming turbulators

Lee, Ching-Pang

Title: Turbine airfoil with an internal cooling system having vortex forming turbulators

Patent · Tue Dec 30 00:00:00 EST 2014

OSTI ID:1166773

Lee, Ching-Pang

A turbine airfoil usable in a turbine engine and having at least one cooling system is disclosed. At least a portion of the cooling system may include one or more cooling channels having a plurality of turbulators protruding from an inner surface and positioned generally nonorthogonal and nonparallel to a longitudinal axis of the airfoil cooling channel. The configuration of turbulators may create a higher internal convective cooling potential for the blade cooling passage, thereby generating a high rate of internal convective heat transfer and attendant improvement in overall cooling performance. This translates into a reduction in cooling fluid demand and better turbine performance.

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Research Organization:: Siemens Energy, Inc., Orlando, FL (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: FC26-05NT42644

Assignee:: Siemens Energy, Inc. (Orlando, FL)

Patent Number(s):: 8,920,122

Application Number:: 13/417,714

OSTI ID:: 1166773

Resource Relation:: Patent File Date: 2012 Mar 12

Country of Publication:: United States

Language:: English

References (25)

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