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Investigation of Heat Transfer Enhancement in Laminar Flow through Circular Tube by using Combined Wire Coil and Wavy Strip with Central Clearance
Dipan Deb1, Sajag Poudel2

1Dipan Deb, Aerospace Engineering, Indian Institute of Technology Kanpur, Kanpur (U.P), India.
2Sajag Poudel, Aerospace Engineering, Indian Institute of Technology Kanpur, Kanpur (U.P), India.

Manuscript received on 10 August 2017 | Revised Manuscript received on 18 August 2017 | Manuscript Published on 30 August 2017 | PP: 158-164 | Volume-6 Issue-6, August 2017 | Retrieval Number: F5156086617/17©BEIESP
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC-BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: The experimental friction factor and Nusselt number data for a laminar flow in a circular pipe having wire coil and wavy strip insertion are presented. Thermal boundary layer is the primary hindrance to the heat transfer. That is why to destroy it or at least to disturb it the insertions are used. The thermohydraulic phenomenon has been analyzed. The objective of this work is to find out the combined effect of wire coil and wavy strip on the heat transfer and whether it can enhance it. Nusselt number and friction factor are measured for different Prandtl number and Reynolds number. The findings of this work are useful in automobile and air-conditioning industries to reduce the size of the heat exchanger.
Keywords: Friction Factor, Heat Transfer, Nusselt Number, Wavy Strip, Wire Coil

Scope of the Article: Heat Transfer