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Investigation into the Electrical Conductivity of Carbon Nanosphere-Based Green Nanofluids

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Transactions on Engineering Technologies (WCECS 2017)

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Abstract

Electrical conductivity measurements of green nanofluids prepared from carbon nanospheres dispersed in 60:40 ethylene glycol and water (60:40 EG/W) based nanofluids have been studied. In order to investigate the effect of temperature and volume concentration on the electrical conductivity of the nanofluids, the temperature was varied from 15 to 60 °C and volume fractions of 0.04, 0.1, 0.12, and 0.2 vol% were used. The results show that the electrical conductivity is greatly enhanced with an increase in temperature and volume fraction. The highest enhancement is seen at 0.2 vol% with 1470% increase in electrical conductivity . The high conductivity enhancement indicates a potential for cooling applications.

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Acknowledgements

The financial assistance of the National Research Foundation (NRF) towards this research is hereby acknowledged.

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Authors and Affiliations

  1. University of KwaZulu Natal, Room 138B Mechanical Engineering Building, Durban, 4041, South Africa

    Gloria Adedayo Adewumi

  2. Department of Mechanical Engineering, University of KwaZulu Natal, Durban, 4041, South Africa

    Freddie Inambao & Andrew Eloka-Eboka

  3. Department of Mechanical and Aeronautical Engineering, University of Pretoria, Pretoria, 002, South Africa

    Mohsen Sharifpur & Josua Meyer

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  1. Gloria Adedayo Adewumi
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  2. Freddie Inambao
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  4. Mohsen Sharifpur
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  5. Josua Meyer
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Corresponding author

Correspondence to Gloria Adedayo Adewumi .

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Editors and Affiliations

  1. International Association of Engineers, Hong Kong, Hong Kong

    Sio-Iong Ao

  2. Department of Computer and Communication, Daegu Catholic University, Daegu, Korea (Republic of)

    Haeng Kon Kim

  3. University of New Orleans, New Orleans, LA, USA

    Mahyar A. Amouzegar

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Adewumi, G.A., Inambao, F., Eloka-Eboka, A., Sharifpur, M., Meyer, J. (2019). Investigation into the Electrical Conductivity of Carbon Nanosphere-Based Green Nanofluids. In: Ao, SI., Kim, H., Amouzegar, M. (eds) Transactions on Engineering Technologies. WCECS 2017. Springer, Singapore. https://doi.org/10.1007/978-981-13-2191-7_6

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  • DOI: https://doi.org/10.1007/978-981-13-2191-7_6

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-13-2190-0

  • Online ISBN: 978-981-13-2191-7

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