Rotor with double pass blade root cooling

Details Rotor with double pass blade root cooling Rotor with double pass blade root cooling

F - Mech Eng,Light,Heat,Weapons

01

D

170/71

F01D 5/08 (2006.01) F01D 5/30 (2006.01)

Patent

CA 1198986

- 18 - Abstract Rotor with Double Pass Blade Root Cooling In a turbine rotor, disk blade root slots around the periphery thereof cooperate with the blade roots disposed therein to define a pair of cooling air passageways across each slot. These passageways across each slot are in series flow relationship with each other. Cooling air from upstream of the rotor is fed into one passageway of each slot and flows rearwardly therethrough across the slot. The same mass of air is then directed into the inlet of the other passageway, which air flows forwardly through the slot to provide additional cooling to the blade roots and disk lugs.

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