Date of download: 10/24/2017 Copyright © ASME. All rights reserved. From: Experimental and Numerical Investigation on Effect of Convergent Angle and Cold Orifice Diameter on Thermal Performance of Convergent Vortex Tube J. Thermal Sci. Eng. Appl. 2015;7(4):041006-041006-13. doi:10.1115/1.4030639 Figure Legend: Schematic drawing of the experimental setup: 1, inlet pressure gauge; 2, thermocouple; 3, vortex chamber; 4, working tube; 5, inlet nozzle; 6, rotameter; 7, cold outlet digital manometer; and 8, hot outlet digital manometer