Pressure regulated film cooling

Details Pressure regulated film cooling Pressure regulated film cooling

1995-06-06

1996-03-12

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

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

F01O 518

Patent

active

054981336

ABSTRACT:
A gas turbine engine airfoil includes first and second sidewalls joined together at opposite leading and trailing edges and spaced apart from each other to define at least one internal flow channel for channeling cooling air therein. A plenum is defined by an inner surface of the first sidewall and by an internal wall adjoining the flow channel. A pair of injection holes extend through the internal wall to feed the cooling air into the plenum. A plurality of film cooling holes extend through the first sidewall in flow communication with the plenum for channeling the cooling air in a film along an outer surface of the first sidewall to effect film cooling. The injection holes are aligned to converge toward each other so that cooling air jets discharged therefrom collide with each other inside the plenum to reduce pressure thereof. This regulates the pressure across the film cooling holes to improve film cooling.

REFERENCES:
patent: 3934322 (1976-01-01), Hauser et al.
patent: 4183716 (1980-01-01), Takahara et al.
patent: 4601638 (1986-07-01), Hill et al.
patent: 4770608 (1988-09-01), Anderson et al.
patent: 5062768 (1991-11-01), Marriage
patent: 5370499 (1994-12-01), Lee

Affiliated with

Also associated with

Rating

Pressure regulated film cooling does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pressure regulated film cooling, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pressure regulated film cooling will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2096906