Power plants – Combustion products used as motive fluid – With exhaust treatment
Patent
1993-11-03
1995-03-14
Thorpe, Timothy S.
Power plants
Combustion products used as motive fluid
With exhaust treatment
F02C 710
Patent
active
053967607
ABSTRACT:
A bypass flow system for a gas-side air recuperator of a gas turbine engine. Pressurized air from the compressor section of the gas turbine is caused to pass through a pair of heat exchangers arranged in parallel spaced relationship and located in the hot gas stream between the exhaust gas box and the exhaust stack of the gas turbine engine. The space between the heat exchangers comprises a bypass duct for the exhaust gases and is openable and closeable by a butterfly valve. The longitudinal edges of the bypass duct are each provided with a flow divider device extending upstream of the exhaust gas flow by a distance at least equal to the width of the bypass duct. The flow divider devices are mirror images of each other and the forwardmost longitudinal edges thereof are blunt. The inner facing surfaces of the flow divider devices are configured to provide a two dimensional bellmouth entrance to the bypass duct, and the opposite surfaces of the flow divider devices are configured as controlled diffusion surfaces.
REFERENCES:
patent: 2914917 (1959-12-01), Van Nest
patent: 3222864 (1965-12-01), Dyste et al.
patent: 3386243 (1968-06-01), Beam, Jr. et al.
patent: 5274997 (1994-01-01), Inoue et al.
Batchelor, G. K., An Introduction to Fluid Dynamics, Cambridge Press, 1970, pp. 90, 91.
Wallis, R. A. Axial Flow Fans, Design and Practice, Clowes and Sons, Limited, London, 1961, pp. 390, 391.
General Electric Company
Narciso David L.
Squillaro Jerome C.
Thorpe Timothy S.
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