1. Date of download: 12/24/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Through a Circular Tube Having Transverse Ribs and Twisted Tapes
J. Thermal Sci. Eng. Appl. 2015;7(4): doi: /
Figure Legend:
Integral transverse rib roughness in a circular duct

2. Date of download: 12/24/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Through a Circular Tube Having Transverse Ribs and Twisted Tapes
J. Thermal Sci. Eng. Appl. 2015;7(4): doi: /
Figure Legend:
(a) Full-length twisted-tape (without oblique teeth) insert inside a duct, (b) full-length twisted-tape with oblique teeth, and (c) detail A of Fig. 1(b)

3. Date of download: 12/24/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Through a Circular Tube Having Transverse Ribs and Twisted Tapes
J. Thermal Sci. Eng. Appl. 2015;7(4): doi: /
Figure Legend:
Schematic diagram of the experimental rig

4. Date of download: 12/24/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Through a Circular Tube Having Transverse Ribs and Twisted Tapes
J. Thermal Sci. Eng. Appl. 2015;7(4): doi: /
Figure Legend:
Validation of the experimental setup: comparison of present experimental friction factor data with plain circular tube data

5. Date of download: 12/24/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Through a Circular Tube Having Transverse Ribs and Twisted Tapes
J. Thermal Sci. Eng. Appl. 2015;7(4): doi: /
Figure Legend:
Validation of the experimental setup: comparison of present experimental Nusselt number data with plain circular tube data

6. Date of download: 12/24/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Through a Circular Tube Having Transverse Ribs and Twisted Tapes
J. Thermal Sci. Eng. Appl. 2015;7(4): doi: /
Figure Legend:
Effect of tooth horizontal length and the tooth angle of the twisted-tape oblique teeth; y = 2.5, P/e = 2.0437, and e/Dh =  (friction factor)

7. Date of download: 12/24/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Through a Circular Tube Having Transverse Ribs and Twisted Tapes
J. Thermal Sci. Eng. Appl. 2015;7(4): doi: /
Figure Legend:
Effect of rib pitch, y = 2.5, thl =  , ⊖ = 30 deg, and e/Dh =  (friction factor)

8. Date of download: 12/24/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Through a Circular Tube Having Transverse Ribs and Twisted Tapes
J. Thermal Sci. Eng. Appl. 2015;7(4): doi: /
Figure Legend:
Effect of rib height, y = 2.5, thl = 0.1053, ⊖ = 60 deg, and P/e =  (friction factor)

9. Date of download: 12/24/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Through a Circular Tube Having Transverse Ribs and Twisted Tapes
J. Thermal Sci. Eng. Appl. 2015;7(4): doi: /
Figure Legend:
Comparison of present experimental friction factor data with the correlation, Eq. (2) (P/e = 5.6481)

10. Date of download: 12/24/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Through a Circular Tube Having Transverse Ribs and Twisted Tapes
J. Thermal Sci. Eng. Appl. 2015;7(4): doi: /
Figure Legend:
Effect of tooth horizontal length and the tooth angle of the twisted-tape oblique teeth; y = 2.5, P/e = 2.0437, and e/Dh =  (Nusselt number)

11. Date of download: 12/24/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Through a Circular Tube Having Transverse Ribs and Twisted Tapes
J. Thermal Sci. Eng. Appl. 2015;7(4): doi: /
Figure Legend:
Effect of rib height, y = 2.5, thl = 0.1053, ⊖ = 60 deg, and P/e =  (Nusselt number)

12. Date of download: 12/24/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Through a Circular Tube Having Transverse Ribs and Twisted Tapes
J. Thermal Sci. Eng. Appl. 2015;7(4): doi: /
Figure Legend:
Effect of rib pitch, y = 2.5, thl =  , ⊖ = 30 deg, and e/Dh =  (Nusselt number)

13. Date of download: 12/24/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Through a Circular Tube Having Transverse Ribs and Twisted Tapes
J. Thermal Sci. Eng. Appl. 2015;7(4): doi: /
Figure Legend:
Comparison of present experimental Nusselt number data with correlation, Eq. (5) (P/e = 5.6481)