Journal of Nanomaterials / 2016 / Article / Tab 9

Review Article

A Review on Properties, Opportunities, and Challenges of Transformer Oil-Based Nanofluids

Table 9

Enhancement of thermal conductivity.

Author/yearNanofluidParticle size (nm)Concentration (vol%)Enhancement ratio

Choi et al./2008 [39]Cu/transformer oil1002.50–7.501.12–1.43

Choi et al./2008 [39] Al2O3 (sphere)/pure oil130.5–4.01.05–1.21
Al2O3 (fiber)/pure oil–2000.51.04
AlN/pure oil500.51.08

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