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Classical Behavior of Alumina (Al2O3) Nanofluids in Antifrogen N with Experimental Evidence
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK). KTH Royal Institute of Technology, Sweden.
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Number of Authors: 5
2015 (English)In: Journal of Nanomaterials, ISSN 1687-4110, E-ISSN 1687-4129, 256479Article in journal (Refereed) Published
Abstract [en]

A nanofluid is a suspension containing nanoparticles in conventional heat transfer fluids. This paper reports on an investigation of alumina (Al2O3) nanoparticles in Antifrogen N, also called AFN, which is a popular antifreeze coolant consisting primarily of ethylene glycol and other additives to impede corrosion. The base carrier fluid is 50% by weight of water and 50% by weight of AFN. We systematically measured the nanomaterials and heat transfer data of nanofluids for four different size particles, namely, 20, 40, 150, and 250 nm alumina particles. The pH of all the nanofluids is adjusted to have a stable dispersion. The material characterizations include SEM and DLS particle measurements. We measured thermal conductivity, viscosity, and heat transfer coefficient in developing flow of the nanofluids. We observed that these nanofluids behave as any other classical fluids in thermally developing flow and classical heat transfer correlations can be used to completely describe the characteristics of these nanofluids.

Place, publisher, year, edition, pages
2015. 256479
National Category
Nano Technology Materials Engineering
Identifiers
URN: urn:nbn:se:su:diva-123205DOI: 10.1155/2015/256479ISI: 000363125000001OAI: oai:DiVA.org:su-123205DiVA: diva2:872326
Available from: 2015-11-18 Created: 2015-11-18 Last updated: 2015-11-18Bibliographically approved

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Saleemi, Mohsin
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Department of Materials and Environmental Chemistry (MMK)
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