HIGH-FREQUENCY PULSED CO-AXIAL INJECTOR SYSTEM AND METHOD FOR HIGH-SPEED FLOW MIXING AND CONTROL
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United States of America Patent
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Issued Date -
Dec 28, 2023
app pub date -
Jan 27, 2023
filing date -
Jan 27, 2023
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Abstract
The injection system includes a Resonance Enhanced Microjet nozzle assembly. The assembly includes plates including top and bottom plates, a first inlet in the top plate and coupled to steady jet. The bottom plate includes a hollow cavity having a bottom surface. A tube within the bottom plate forms a first outlet that exits a supersonic pulsed actuation jet in the range of kHz from the bottom plate. A second outlet is in the bottom plate and positioned concentric about the tube to form a circular slit. The circular slit is directly coupled to the bottom surface of the cavity. A second inlet via a conduit is coupled to a secondary fluid stream and the cavity. The system significantly improves the mixing of an actuation jet with the steady stream injected up to 115% in comparison to a system that uses a steady actuation jet under same operating pressure.
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