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EFFECT OF THE COLD OUTLET DIAMETER ON THE PERFORMANCE OF THE DIVERGENT VORTEX TUBE | ||
| AL-TAQANI | ||
| Article 1, Volume 18, Issue 2, 2005, Pages 146-156 | ||
| Authors | ||
| Asaad T. Al-Omran; Ramzi R. Ibrahim; H. N. Al-Rawi | ||
| Abstract | ||
| The experimental investigation was carried out on a divergent vortex tube rig especially designed for the present study covering all tests. The effect of different cold outlet diameters (dc=10 mm, dc=12 mm, and dc=14 mm), the angle of divergence, (θ˚= 1.72, 2.29, and 4.01) with diameters (20 mm, 30 mm), and changing the ratio ( L / D ), on the performance of the vortex tube is described by varying the pressure of the inlet air and cold air mass ratio (μc) within the ranges (Pi abs=2 - 7 bar) and (μc= 0 - 1). The experimental predicts two empirical results between cold outlet diameter (dc), outlet nozzle diameter (dn) , number of nozzles (N), inside vortex tube diameter (D), length of vortex tube (L) as: (N=1) (N=1, N=2) Above equations give the optimum design divergent vortex tube and high separation energy. | ||
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