Compact diffuser

Fluid sprinkling – spraying – and diffusing – Combining of separately supplied fluids – Plural inlets to one stream from another

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372 58, B05B 700

Patent

active

057354693

ABSTRACT:
A compact diffuser for recovering pressure from a supersonic flow with boundary layers. Sharp splicer plates near the wails form boundary layer scoops and separate the flow into an inner coreflow chapel and outer chambers containing small supersonic ejector nobles. The coreflow without boundary layers undergoes a single near-normal shock to recover pressure. The boundary layers are pumped to the recovery pressure in the outer ejector chambers. The subsonic part of the boundary layer flow to the outer chambers can be choked against boundary layer scoop inlet corners to isolate the upstream flow. The leading edge angle of the splicers may be selected to help induce coreflow shocking.

REFERENCES:
patent: 4235372 (1980-11-01), Salter
patent: 4247833 (1981-01-01), Morr et al.
patent: 4435810 (1984-03-01), Hasinger et al.
patent: 4487366 (1984-12-01), Davis et al.

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