Refrigeration – Processes – Compressing – condensing and evaporating
Patent
1997-02-07
1998-02-03
Capossela, Ronald C.
Refrigeration
Processes
Compressing, condensing and evaporating
62401, 62500, F25B 100
Patent
active
057132127
ABSTRACT:
An apparatus for generating an air stream that is substantially-columnated about a given axis includes a converging-diverging nozzle, a manifold in fluid communication with the nozzle, and a compressor supplying a quantity of compressed air to the manifold to induce a first air flow through the nozzle. The first air flow is characterized by sonic flow at the nozzle throat and supersonic flow at the nozzle exit. The supersonic first air flow exiting the nozzle is directed into one end of an elongate tube. The thus-directed first air flow induces a second flow of ambient air into the one end of the tube. The first air flow mixes with the second air flow within the tube and exits as an air stream that is substantially columnated about the axis of the tube.
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Algas David V.
Barnett Gregory H.
Farrington Franklin D.
Capossela Ronald C.
McDonnell Douglas Corporation
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