Power plants – Reaction motor – Method of operation
Patent
1992-11-20
1993-12-14
Bertsch, Richard A.
Power plants
Reaction motor
Method of operation
602261, 60 3983, 165142, F02K 302
Patent
active
052691330
ABSTRACT:
A heat exchanger for cooling turbine components of a gas turbofan engine in which air to be cooled is directed along a first annular, radially extending path away from the engine and cooled by bypass air. The cooled air is returned to the engine along a second radially-extending path concentric to the first path. In a preferred embodiment, the heat exchanger is a standpipe extending from the compressor outlet to the bypass air duct and includes inner and outer tubular members oriented concentrically to form inner and outer counterflowing air flow paths which also are concentrically arranged. The outer member is mounted on the combustor casing and the inner member on a diffuser within the casing. Accordingly, no mechanical connection exists between the inner and outer members.
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Luu et al. "Thermal and Fluid Design of a Ceramic Bayonet Tube Heat Exchanger for High-Temperature Waste Heat & Recovery".
In: Hayes, A. J., "Industrial Heat Exchangers", (American Society for Metals, 1985) pp. 159, 160.
Bertsch Richard A.
General Electric Company
Kocharov Michael I.
Rafter John R.
Squillaro Jerome C.
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