Abstract
Silicon carbide (SiC) nanoparticle dispersed water based nanofluids were prepared using up to 0·1 vol% of nanoparticles. Use of suitable stirring routine ensured uniformity and stability of dispersion. Thermal conductivity ratio of nanofluid measured using transient hot wire device shows a significant increase of up to 12% with only 0·1 vol% nanoparticles and inverse dependence of conductivity on particle size. Use of ceramic nanoparticles appears more appropriate to ensure stability of dispersion in nanofluid in closed loop single-phase heat transfer applications.
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Acknowledgements
One of the authors (GPl) would like to thank the Council of Scientific and Industrial Research (CSIR) for financial support. The authors wish to thank Prof. Indranil Manna, Central Glass and Ceramics Research Institute, Kolkata, and Prof. Prasanta K Das, Indian Institute of Technology, Kharagpur, for fruitful discussions.
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MANNA, O., SINGH, S.K. & PAUL, G. Enhanced thermal conductivity of nano-SiC dispersed water based nanofluid. Bull Mater Sci 35, 707–712 (2012). https://doi.org/10.1007/s12034-012-0366-7
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DOI: https://doi.org/10.1007/s12034-012-0366-7