Abstract
An experimental investigation has been performed to realize thorough behavior of a vortex tube system. The vortex tube is a simple device operating as a refrigerating unit without any moving parts. It consists of a principal tube, to which a high pressure gas stream enters tangentially where it splits into two streams: one hot and one cold temperature streams. This paper discusses the experimental investigation of vortex tube performance as it relates to cold mass fraction, and nozzle number. Four different orifices, each with three, four, five and six nozzles respectively, were manufactured and used during the test. The experiments have been conducted with each one of those orifices stated above, and the performance of the vortex tube has been tested with air at inlet pressure of 5 bar and the cold mass fractions of 0.5–0.72.
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