Influence of various base nanofluids and substrate materials on heat transfer in trapezoidal microchannel heat sinks

H. A. Mohammed, Prem Gunnasegaran, N. H. Shuaib

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

Numerical investigations are performed to investigate the laminar flow and heat transfer characteristics of trapezoidal MCHS using various types of base nanofluids and various MCHS substrate materials on MCHS performance. This study considered four types of base fluids including water, ethylene glycol (EG), oil, and glycerin with 2% volume fraction of diamond nanoparticle, and four types of MCHS substrate materials including copper, aluminium, steel, and titanium. The three-dimensional steady, laminar flow and heat transfer governing equations are solved using the finite volume method. It is found that the best uniformities in heat transfer coefficient and temperature among the four mixture flows can be obtained using glycerin-base nanofluid followed by oil-base nanofluid, EG-base nanofluid, and water-base nanofluid heat sinks. However, the heat transfer performance of water-base nanofluid can be greatly enhanced in steel made substrate heat sink.

Original languageEnglish
Pages (from-to)194-201
Number of pages8
JournalInternational Communications in Heat and Mass Transfer
Volume38
Issue number2
DOIs
Publication statusPublished - 01 Feb 2011

Fingerprint

heat sinks
Heat sinks
microchannels
Microchannels
Ethylene Glycol
Steel
heat transfer
Heat transfer
Ethylene glycol
laminar flow
Glycerol
Laminar flow
Water
glycols
Oils
ethylene
Substrates
oils
steels
water

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Chemical Engineering(all)
  • Condensed Matter Physics

Cite this

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Influence of various base nanofluids and substrate materials on heat transfer in trapezoidal microchannel heat sinks. / Mohammed, H. A.; Gunnasegaran, Prem; Shuaib, N. H.

In: International Communications in Heat and Mass Transfer, Vol. 38, No. 2, 01.02.2011, p. 194-201.

Research output: Contribution to journalArticle

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