Abstract
Vortex tube produces hot and cold streams from inlet pressurized gas. Though mainly used for spot cooling purposes, it may also be used for heating/pre-heating applications. In this work, the effect of - inlet air pressure, hot tube length, hot tube internal diameter, orifice diameter, and nozzle diameter, on hot-outlet air temperature is analyzed. Taguchi's parameter design approach is used to optimize the response. Above parameters are considered at three levels each. L-27 Orthogonal Array is used for experimentation with two replicates. From the ANOVA table, all the parameters considered are found to be statistically significant. Relevant graphs are drawn; optimum response value at optimal factor levels is predicted. Through confirmatory test, experimental results are validated.
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