Heat conduction in nanofluid suspensions

Research output: Contribution to journalArticle

176 Citations (Scopus)

Abstract

The heat conduction mechanism in nanofluid suspensions is derived for transient processes attempting to explain experimental results, which reveal an impressive heat transfer enhancement. In particular the effect of the surface-area-to-volume ratio (specific area) of the suspended nanoparticles on the heat transfer mechanism is explicitly accounted for, and reveals its contribution to the specific solution and results. The present analysis might provide an explanation that settles an apparent conflict between the recent experimental results in nanofluid suspensions and classical theories for estimating the effective thermal conductivity of suspensions that go back more than one century (Maxwell, J.C., 1891, Treatise on Electricity and Magnetism). Nevertheless, other possible explanations have to be accounted for and investigated in more detail prior to reaching a final conclusion on the former explanation.

Original languageEnglish (US)
Pages (from-to)465-477
Number of pages13
JournalJournal of Heat Transfer
Volume128
Issue number5
DOIs
StatePublished - May 2006

Fingerprint

Heat conduction
conductive heat transfer
Suspensions
Heat transfer
Magnetism
heat transfer
Thermal conductivity
Electricity
Nanoparticles
electricity
estimating
thermal conductivity
nanoparticles
augmentation

Keywords

  • Dual-phase-lagging
  • Effective heat capacity
  • Effective thermal conductivity
  • Heat transfer enhancement
  • Nanofluids
  • Nanoparticles suspension

ASJC Scopus subject areas

  • Mechanical Engineering
  • Physical and Theoretical Chemistry
  • Fluid Flow and Transfer Processes

Cite this

Heat conduction in nanofluid suspensions. / Vadasz, Peter.

In: Journal of Heat Transfer, Vol. 128, No. 5, 05.2006, p. 465-477.

Research output: Contribution to journalArticle

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