2d Numerical Simulation of A Micro Scale Ranque-Hilsch Vortex Tube

In this study, fluid flow and energy separation in a micro-scale ranque-hilsch vortex tube are numerically investigated. the flow is assumed as 2d, steady, compressible ideal gas, and shear-stress-transport is found to be a best choice for modeling of turbulence phenomena. the results are in a good agreement with the experimental results reported in the literature. the results show that fluid flow and energy separation inside the micro-scale vortex tube is quite similar to those of traditional ones. moreover, it is found that non-dimensional forms of cold-temperature difference and refrigerating capacity are only dependent on cold mass fraction. in addition, two correlations have been proposed to estimate non-dimensional forms of cold temperature difference and refrigeration capacity in the micro-scale vortex tube. sst k  