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http://dspace.bits-pilani.ac.in:8080/jspui/xmlui/handle/123456789/12367| Title: | Thermohydraulics of laminar flow through a circular tube having integral helical rib roughness and fitted with centre-cleared twisted-tape |
| Authors: | Bhattacharyya, Suvanjan |
| Keywords: | Mechanical Engineering Laminar flow Forced convection Integral helical rib roughness Twisted tapes Heat transfer enhancement Swirl flow |
| Issue Date: | Oct-2012 |
| Publisher: | Elsevier |
| Abstract: | The experimental friction factor and Nusselt number data for laminar flow through a circular duct having integral helical rib roughness and fitted with centre-cleared twisted-tape have been presented. Predictive friction factor and Nusselt number correlations have also been presented. The thermohydraulic performance has been evaluated. The major findings of this experimental investigation are that the centre-cleared twisted tapes in combination with integral helical rib roughness perform significantly better than the individual enhancement technique acting alone for laminar flow through a circular duct up to a certain amount of twisted-tape centre-clearance. |
| URI: | https://www.sciencedirect.com/science/article/pii/S0894177712001331 http://dspace.bits-pilani.ac.in:8080/xmlui/handle/123456789/12367 |
| Appears in Collections: | Department of Mechanical engineering |
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