Shroud design

Details Shroud design Shroud design

1991-11-21

1993-04-13

Kwon, John T.

Rotary kinetic fluid motors or pumps

Including heat insulation or exchange means

F01D 508

Patent

active

052018474

ABSTRACT:
A gas turbine of the type having cooling air supplied to cool the outer surfaces of the shrouds of the turbine vanes is provided with roughness elements disposed upon the outer surfaces of the shrouds. The roughness elements enhance the heat transfer characteristics of the shroud by increasing the surface area of the shroud and enhance the efficiency of the cooling air by increasing the turbulence between the cooling air and the shroud.

REFERENCES:
patent: 2648519 (1953-08-01), Campini
patent: 4329113 (1982-05-01), Ayache et al.
patent: 4762462 (1988-08-01), Lardellier

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