A micro-convection model for thermal conductivity of nanofluids

Pramana

Hrishikesh E Patel³  N Dasgupta²  Sarit K Das1³  T Pradeep¹  A Dasgupta²  T Sundararajan³ 

[1] Department of Chemistry and Sophisticated Analytical Instrument Facility, Indian Institute of Technology Madras, Chennai 600 036, India$$;Department of Electrical Engineering, Indian Institute of Technology Madras, Chennai 600 036, India$$;Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai 600 036, India$$

关键词: Micro-convection;    nanofluid;    thermal conductivity;    Brownian motion.;   

DOI  :  

学科分类：物理（综合）

来源: Indian Academy of Sciences

【 摘 要 】

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.

【 授权许可】

Unknown