Pramana

, Volume 65, Issue 5, pp 863–869

A micro-convection model for thermal conductivity of nanofluids

Authors

  • Hrishikesh E. Patel
    • Department of Mechanical EngineeringIndian Institute of Technology Madras
  • T. Sundararajan
    • Department of Mechanical EngineeringIndian Institute of Technology Madras
  • T. Pradeep
    • Department of Chemistry and Sophisticated Analytical Instrument FacilityIndian Institute of Technology Madras
  • A. Dasgupta
    • Department of Electrical EngineeringIndian Institute of Technology Madras
  • N. Dasgupta
    • Department of Electrical EngineeringIndian Institute of Technology Madras
  • Sarit K. Das
    • Department of Mechanical EngineeringIndian Institute of Technology Madras
Article

DOI: 10.1007/BF02704086

Cite this article as:
Patel, H.E., Sundararajan, T., Pradeep, T. et al. Pramana - J Phys (2005) 65: 863. doi:10.1007/BF02704086

Abstract

Increase in the specific surface area as well as Brownian motion are supposed to be the most significant reasons for the anomalous enhancement in thermal conductivity of nanofluids. This work presents a semi-empirical approach for the same by emphasizing the above two effects through micro-convection. A new way of modeling thermal conductivity of nanofluids has been explored which is found to agree excellently with a wide range of experimental data obtained by the present authors as well as the data published in literature

Keywords

Micro-convectionnanofluidthermal conductivityBrownian motion

PACS Nos

44.10.+I44.35.+c47.55.Kf

Copyright information

© Indian Academy of Sciences 2005