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Title: | Computational investigation on heat transfer augmentation of a circular tube with novel hybrid ribs |
Authors: | Bhattacharyya, Suvanjan |
Keywords: | Mechanical Engineering Heat Transfer Hybrid ribs Magnetic nanofluid (MNF) |
Issue Date: | Nov-2021 |
Publisher: | EDP Sciences |
Abstract: | Present study reports a computational investigation on heat transfer and pressure drop characteristics for flow through a heat exchanger tube fitted with novel hybrid ribs by using magnetic nanofluid (Fe3O4). Effects of different rib geometry on heat transfer and pressure drop characteristics have been investigated for Reynolds number ranging from 3 000 to 22 000. Until now, there is little information available in the literature on the method of quantifying the effect of forced convection on the heat transfer and pressure drop of hybrid rib (HR) inserts by using magnetic nanofluid (MNF). The transition SST models along with governing equations (continuity, momentum, and energy equations) are numerically solved with ANSYS Fluent 19.2. The simulation results are validated with established correlations and excellent agreement was found. Heat transfer coefficient is more in combined arrangement (HR and MNF) compared to acting alone arrangement (only MNF). |
URI: | https://www.e3s-conferences.org/articles/e3sconf/abs/2021/97/e3sconf_icchmt2021_04012/e3sconf_icchmt2021_04012.html http://dspace.bits-pilani.ac.in:8080/xmlui/handle/123456789/12428 |
Appears in Collections: | Department of Mechanical engineering |
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