Dual stage supersonic diffuser

Power plants – Internal combustion engine with treatment or handling of... – Material from exhaust structure fed to engine intake

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73147, G01M 900, F02K 710

Patent

active

039811441

ABSTRACT:
A diffuser having a dual-stage configuration with the diffusing element of the first stage aligned perpendicularly to the second stage. The diffuser vanes of the first stage are inclined at an angle to the direction of flow so that the flow field between the first stage and the second stage changes from the conditions before diffuser starting to the conditions after diffuser starting to produce an effect similar to the change in flow cross section of a variable throat area diffuser. The second stage of the diffuser has its wall configured similar to the contour of a two dimensional ramjet inlet diffuser.

REFERENCES:
patent: 2678560 (1954-05-01), Bonney
patent: 2696110 (1954-12-01), Eggers
patent: 2841952 (1958-07-01), Billman

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