Date of download: 12/30/2017 Copyright © ASME. All rights reserved. From: Experimental Investigation of Temperature Separation in a Counter-Flow Vortex Tube J. Heat Transfer. 2014;136(8):082801-082801-6. doi:10.1115/1.4027248 Figure Legend: A sectional view of the Ranque–Hilsch vortex tube along with view of the cold end

Date of download: 12/30/2017 Copyright © ASME. All rights reserved. From: Experimental Investigation of Temperature Separation in a Counter-Flow Vortex Tube J. Heat Transfer. 2014;136(8):082801-082801-6. doi:10.1115/1.4027248 Figure Legend: Possible paths of energy transfer between the core, periphery, and the ambient atmosphere. AB and GF represent the walls of the vortex tube, BC the cold exit, AG the inlet, BCDE the core flow, and EFGAB the flow in the periphery. m·h is the net flow through DEF. Ha and Hc represent the process heat and Wa and Wb represent work.

Date of download: 12/30/2017 Copyright © ASME. All rights reserved. From: Experimental Investigation of Temperature Separation in a Counter-Flow Vortex Tube J. Heat Transfer. 2014;136(8):082801-082801-6. doi:10.1115/1.4027248 Figure Legend: A schematic of the experimental setup. Po, To, Tc, Th, m·i,m·c,m·h are measured. Nominal values of absolute pressure are also shown.

Date of download: 12/30/2017 Copyright © ASME. All rights reserved. From: Experimental Investigation of Temperature Separation in a Counter-Flow Vortex Tube J. Heat Transfer. 2014;136(8):082801-082801-6. doi:10.1115/1.4027248 Figure Legend: Graphs capturing the variation of the cold-end temperatures with mass fraction ε

Date of download: 12/30/2017 Copyright © ASME. All rights reserved. From: Experimental Investigation of Temperature Separation in a Counter-Flow Vortex Tube J. Heat Transfer. 2014;136(8):082801-082801-6. doi:10.1115/1.4027248 Figure Legend: Variation of temperature separation with mass fraction for different materials

Date of download: 12/30/2017 Copyright © ASME. All rights reserved. From: Experimental Investigation of Temperature Separation in a Counter-Flow Vortex Tube J. Heat Transfer. 2014;136(8):082801-082801-6. doi:10.1115/1.4027248 Figure Legend: Performance of the vortex tube made of copper and insulated by wax

Date of download: 12/30/2017 Copyright © ASME. All rights reserved. From: Experimental Investigation of Temperature Separation in a Counter-Flow Vortex Tube J. Heat Transfer. 2014;136(8):082801-082801-6. doi:10.1115/1.4027248 Figure Legend: A schematic of the revised experimental setup

Date of download: 12/30/2017 Copyright © ASME. All rights reserved. From: Experimental Investigation of Temperature Separation in a Counter-Flow Vortex Tube J. Heat Transfer. 2014;136(8):082801-082801-6. doi:10.1115/1.4027248 Figure Legend: Performance of the vortex tubes made of copper and steel at Po = 2 bar and different inlet total temperatures To corresponding to case 1: Ha≈0 and case 2:Ha > 0

Date of download: 12/30/2017 Copyright © ASME. All rights reserved. From: Experimental Investigation of Temperature Separation in a Counter-Flow Vortex Tube J. Heat Transfer. 2014;136(8):082801-082801-6. doi:10.1115/1.4027248 Figure Legend: A schematic of the experimental setup for low pressure measurements

Date of download: 12/30/2017 Copyright © ASME. All rights reserved. From: Experimental Investigation of Temperature Separation in a Counter-Flow Vortex Tube J. Heat Transfer. 2014;136(8):082801-082801-6. doi:10.1115/1.4027248 Figure Legend: Sectional view of the vortex chamber showing pressure tap used as pressure port 4 at the inlet