Experimental Investigation of Heat Transfer and Fluid Flow Characteristics Using S-shape Inserts through Circular Tube in Turbulent Zone
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 2
Abstract
The performance of force convection heat transfer in tubes can be improved by use of inserts. This leads to fluid mixing and redevelopment of thermal boundary layer with resulting enhancement in heat transfer. In present work heat transfer and fluid flow characteristics in circular tube with pipe inserts are investigated experimentally. This paper includes study of heat transfer augmentation in circular tube of inner diameter 34mm and outer diameter 38mm by using deformed ‘S’ shape pipe inserts of 3mm length and 2mm thick. These inserts with different pitches are tested in turbulent zone of Reynolds number 4*103 to 20*103. Air is used as working fluid. The comparisons of fluid flow characteristics of plain tube and inserted tube is studied. It is found that the Nusselt number and friction factor of inserted tube increases by 1.001 to 1.736 and by1.006 to 1.26 than that of plain tube.
Authors and Affiliations
Rathod Saroj, Sable Mahendra
Keywords
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