A comparison of experimental heat transfer characteristics for Al sub(2)O sub(3)/water and CuO/water nanofluids in square cross-section duct

The present paper is a comparison between heat transfer characteristics of Al sub(2)O sub(3)/water and CuO/water nanofluids through a square cross-section cupric duct in laminar flow under uniform heat flux. Sometimes because of pressure drop limitations the need for noncircular ducts arises in many...

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Veröffentlicht in:International communications in heat and mass transfer 2010-08, Vol.37 (7), p.924-928
Hauptverfasser: Nassan, Taofik H, Heris, SZeinali, Noie, SH
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container_title International communications in heat and mass transfer
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creator Nassan, Taofik H
Heris, SZeinali
Noie, SH
description The present paper is a comparison between heat transfer characteristics of Al sub(2)O sub(3)/water and CuO/water nanofluids through a square cross-section cupric duct in laminar flow under uniform heat flux. Sometimes because of pressure drop limitations the need for noncircular ducts arises in many heat transfer applications, and a testing facility has been constructed for this purpose and experimental studies were performed on both nanofluids under different nanoparticles concentrations in distilled water as a base fluid. The results indicate that a considerable heat transfer enhancement has been achieved by both nanofluids compared with base fluid. However, CuO/water nanofluid shows better heat transfer augmentation compared with Al sub(2)O sub(3)/water nanofluid through square cross-section duct.
doi_str_mv 10.1016/j.icheatmasstransfer.2010.04.009
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subjects ALUMINUM OXIDE
COMPOSITES
COPPER OXIDE
Cross sections
Ducts
Fluid dynamics
FLUID FLOW
FLUIDITY
HEAT TRANSFER
LAMINAR FLOW
MICROSTRUCTURES
Nanocomposites
Nanofluids
Nanomaterials
Nanostructure
WATER
title A comparison of experimental heat transfer characteristics for Al sub(2)O sub(3)/water and CuO/water nanofluids in square cross-section duct
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