Heat exchange means for obtaining temperature gradient balance

Details Heat exchange means for obtaining temperature gradient balance Heat exchange means for obtaining temperature gradient balance

1993-12-08

1995-04-04

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

With control means responsive to non-cyclic condition...

Impeller rotation speed responsive

416 97R, 415115, F01D 518

Patent

active

054031575

ABSTRACT:
The heat exchange rate in a passage in indirect heat exchange with a fluid medium is tailored to match its temperature gradient by "short circuiting" the flow in the passage to minimize heat transfer in regions requiring less heat exchange and maximizing heat transfer in regions requiring more heat exchange. The serpentine passageways of an air cooled turbine blade for a gas turbine engine is short circuited to match the temperature profile of the gas path passing by the blade.

REFERENCES:
patent: 4574876 (1986-03-01), Aid
patent: 4587700 (1986-05-01), Curbishley et al.
patent: 4775296 (1988-10-01), Schwarzmann et al.
patent: 4992026 (1991-02-01), Ohtomo et al.

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