Heat Transfer in Hairpin Heat Exchanger using Magnetite/Water Nanofluid | Zendy

Natte Rajeev | Zendy; M. Sreenuraju | Zendy; Bolisetti Vamshi | Zendy; G. Parthasarathi | Zendy

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Heat Transfer in Hairpin Heat Exchanger using Magnetite/Water Nanofluid

Author(s) -

Natte Rajeev,

M. Sreenuraju,

Bolisetti Vamshi,

G. Parthasarathi

Publication year - 2019

Publication title -

international journal of recent technology and engineering (ijrte)

Language(s) - English

Resource type - Journals

ISSN - 2277-3878

DOI - 10.35940/ijrte.d5258.118419

Subject(s) - nanofluid , materials science , pressure drop , heat transfer coefficient , heat transfer , heat exchanger , reynolds number , thermodynamics , heat transfer enhancement , magnetite , dynamic scraped surface heat exchanger , turbulence , mechanics , chemical engineering , composite material , metallurgy , critical heat flux , engineering , physics

The present work deals with heat transfer augmentation in a Hair-Pin heat exchanger using magnetite/water nanofluid at volume concentrations of 0.004%, 0.006% and 0.008% under turbulent flow, the effect of different concentration of magnetite nanoparticles are added in pure water as basefluid on heat transfer coefficient and pressure drop in a hair-pin heat exchanger for counteract flow arrangement are investigated. The magnetite/water nanofluid is flowing through the inner tube and Reynolds number considered is in the range of 16000 to 30000. The results showed that there is 25-33% enhancement in heat transfer coefficient at 0.008% to the water at Reynolds number range of 16000 to 30000.

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