Abstract

This report describes a preliminary study on the flow structure and characteristics of supersonic ice-particles jets. The experimental apparatus which was designed and constructed consists of plenum chamber, Laval nozzle which has throat with cross section of 4.2×5mm^2, and barrel with cross section of 10×5mm^2. Flow structures in the barrel and the supersonic jet from the barrel were visualized by schlieren photography and high speed video camera. Wall static pressure distributions along the nozzle and barrel, and total pressure distribution in the jets were also measured by a pitot tube and pressure transducer. It is showwthat in this apparatus Mach 2.4 gas-ice particles supersonic jets are formed.

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