NDLI: Review on Heat Transfer Enhancement Using Nano Fluid with Twisted Tape in Laminar and Turbulent Flow in a Circular Pipe Heat Exchanger

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Review on Heat Transfer Enhancement Using Nano Fluid with Twisted Tape in Laminar and Turbulent Flow in a Circular Pipe Heat Exchanger

Content Provider	Semantic Scholar
Author	Pachbhai, Jitendra S. Vaidhye, Swarup Y. Hattimare, Ankush M. Vaidya, Vikas Deep Sushil Shahare
Copyright Year	2019
Abstract	Nanofluidsare used in broad range of engineering applications due to their improved thermo-physical properties such as thermal conductivity, thermal diffusivity, viscosity and convective heat transfer coefficient. In this paper heat transfer enhancement is carried out by using nano fluid and by inserting twisted tape plate in heat exchanger. The aim of this present work is to enhance thermal performance characteristics in a heat exchanger tube by studying: multiple twisted tapes in different arrangements and Al2O3 nanoparticle with different concentration as the working fluid. The tube inserted the multiple twisted tapes showed superior thermal performance factor when compared with plain tube or the tube inserted with a single twisted tape, due to continuous multiple swirling flow and multi longitudinal vortices flow along the test tube. The higher number of twisted tape inserts led to an enhancement of thermal performance that resulted from increasing contact surface area, residence time, swirl intensity and fluid mixing with multilongitudinal vortices flow. The tube inserted with Al2O3/water nanofluid at different concentrations increase heat transfer rate.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.ijaer.com/images/short_pdf/1549287507_04_Swarup_Vaidhye.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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