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2D Numerical Simulation of a Micro Scale Ranque-Hilsch Vortex Tube | ||
| Journal of Heat and Mass Transfer Research | ||
| مقاله 5، دوره 2، شماره 1 - شماره پیاپی 3، مرداد 2015، صفحه 39-48 اصل مقاله (1.41 M) | ||
| نوع مقاله: Full Length Research Article | ||
| شناسه دیجیتال (DOI): 10.22075/jhmtr.2015.338 | ||
| نویسندگان | ||
| Nader Rahbar1؛ Mostafa Shateri2؛ Mohsen Taherian2؛ Mohammad Sadegh Valipour3 | ||
| 1Islamic Azad University, Semnan Branch | ||
| 2Semnan Branch, Islamic Azad University | ||
| 3Semnan University | ||
| تاریخ دریافت: 10 خرداد 1393، تاریخ بازنگری: 05 مرداد 1393، تاریخ پذیرش: 17 شهریور 1393 | ||
| چکیده | ||
| 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. | ||
| کلیدواژهها | ||
| Micro-Scale Vortex Tube؛ energy separation؛ cold-temperature difference؛ refrigeration capacity | ||
| مراجع | ||
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