Dynamic stability of iron oxide-ethylene glycol nanofluids

Subramaniyan, Alagappan; Periyasamy, Nitun

doi:10.47176/ijpr.22.3.91315

Dynamic stability of iron oxide-ethylene glycol nanofluids

Document Type : Research Note

Authors

Alagappan Subramaniyan ¹

Nitun Periyasamy ²

¹ 1. Department of Physics, Thiagarajar College of Engineering, Madurai 625015, India

² 2. Department of Mechanical Engineering, Thiagarajar College of Engineering, Madurai 625015, India

https://doi.org/10.47176/ijpr.22.3.91315

Abstract

Nanopowders/Nanostructures have attracted the attention of engineers and scientists for their tunable properties and extended applications. One of the extended application of nanopowders is nanofluids. Nanofluids are assumed as the most preferred next generation coolants and their stability is essential for their successful implementation. Iron oxide nanoparticles were prepared by the sol-gel method using Ferrous sulphate as precursors. The prepared nanoparticles were characterized by XRD and photo luminescence. Iron oxide nanofluids (0.1 & 0.3 vol%) with ethylene glycol as base fluid were prepared by a two-step method. The nanofluids were tested for dynamic stability (at 1, 3, 6, 12 and 24-hour intervals). The variation in zeta potential with time is analyzed to predict their stability transformations. We observe that 0.3 vol% nanofluid exhibits better dynamic stability characteristics than the less stable 0.1 vol% nanofluid

Keywords

Dynamic stability

Ethylene glycol

Iron oxide

Nanofluid

20.1001.1.16826957.1401.22.3.4.8

Subjects

Nanomaterials

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