1. Date of download: 10/10/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Heat Transfer and Pressure Drop in a Circular Tube Having Wire-Coil and Helical Screw-Tape Inserts
J. Heat Transfer. 2013;135(2): doi: /
Figure Legend:
Circular duct having wire coil insert

2. Date of download: 10/10/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Heat Transfer and Pressure Drop in a Circular Tube Having Wire-Coil and Helical Screw-Tape Inserts
J. Heat Transfer. 2013;135(2): doi: /
Figure Legend:
Layout of a circular duct with full-length fin insert (a) helical screw-tape and (b) twisted-tape

3. Date of download: 10/10/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Heat Transfer and Pressure Drop in a Circular Tube Having Wire-Coil and Helical Screw-Tape Inserts
J. Heat Transfer. 2013;135(2): doi: /
Figure Legend:
Schematic diagram of the experimental rig

4. Date of download: 10/10/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Heat Transfer and Pressure Drop in a Circular Tube Having Wire-Coil and Helical Screw-Tape Inserts
J. Heat Transfer. 2013;135(2): doi: /
Figure Legend:
Validation of the experimental setup: comparison of present experimental plain circular tube friction factor data with plain circular tube correlation

5. Date of download: 10/10/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Heat Transfer and Pressure Drop in a Circular Tube Having Wire-Coil and Helical Screw-Tape Inserts
J. Heat Transfer. 2013;135(2): doi: /
Figure Legend:
Validation of the experimental setup: comparison of present experimental plain circular tube Nusselt number data with plain circular tube correlation

6. Date of download: 10/10/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Heat Transfer and Pressure Drop in a Circular Tube Having Wire-Coil and Helical Screw-Tape Inserts
J. Heat Transfer. 2013;135(2): doi: /
Figure Legend:
Effect of helical screw-tape parameter on friction factor—coil helix angle = 60 deg, d/Dh = 

7. Date of download: 10/10/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Heat Transfer and Pressure Drop in a Circular Tube Having Wire-Coil and Helical Screw-Tape Inserts
J. Heat Transfer. 2013;135(2): doi: /
Figure Legend:
Effect of coil helix angle on friction factor p = 0.31, d/Dh = 0.1026

8. Date of download: 10/10/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Heat Transfer and Pressure Drop in a Circular Tube Having Wire-Coil and Helical Screw-Tape Inserts
J. Heat Transfer. 2013;135(2): doi: /
Figure Legend:
Effect of coil wire diameter on friction factor—coil helix angle = 30 deg, p = 0.25

9. Date of download: 10/10/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Heat Transfer and Pressure Drop in a Circular Tube Having Wire-Coil and Helical Screw-Tape Inserts
J. Heat Transfer. 2013;135(2): doi: /
Figure Legend:
Comparison of present experimental friction factor data with the experimental friction factor data, Eq. (4), d/Dh =  [4]

10. Date of download: 10/10/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Heat Transfer and Pressure Drop in a Circular Tube Having Wire-Coil and Helical Screw-Tape Inserts
J. Heat Transfer. 2013;135(2): doi: /
Figure Legend:
Effect of helical screw-tape parameter on Nusselt number—coil helix angle = 60 deg, d/Dh = 0.1026

11. Date of download: 10/10/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Heat Transfer and Pressure Drop in a Circular Tube Having Wire-Coil and Helical Screw-Tape Inserts
J. Heat Transfer. 2013;135(2): doi: /
Figure Legend:
Effect of coil helix angle on Nusselt number p = 0.31, d/Dh = 

12. Date of download: 10/10/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Heat Transfer and Pressure Drop in a Circular Tube Having Wire-Coil and Helical Screw-Tape Inserts
J. Heat Transfer. 2013;135(2): doi: /
Figure Legend:
Effect of coil wire diameter on Nusselt number—coil helix angle = 60 deg, p = 0.25

13. Date of download: 10/10/2017
Copyright © ASME. All rights reserved.
From: Laminar Flow Heat Transfer and Pressure Drop in a Circular Tube Having Wire-Coil and Helical Screw-Tape Inserts
J. Heat Transfer. 2013;135(2): doi: /
Figure Legend:
Comparison of present experimental Nusselt number data with the experimental Nusselt number data, Eq. (3), d/Dh =  [4]