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An investigation on the thermal effusivity of nanofluids Containing Al(2)O(3) and CuO nanoparticles.
Noroozi, Monir; Zakaria, Azmi; Moksin, Mohd Maarof; Wahab, Zaidan Abd.
Afiliación
  • Noroozi M; Department of Physics, University Putra Malaysia, UPM Serdang 43400, Selangor D.E., Malaysia.
  • Zakaria A; Department of Physics, University Putra Malaysia, UPM Serdang 43400, Selangor D.E., Malaysia.
  • Moksin MM; Department of Physics, University Putra Malaysia, UPM Serdang 43400, Selangor D.E., Malaysia.
  • Wahab ZA; Department of Physics, University Putra Malaysia, UPM Serdang 43400, Selangor D.E., Malaysia.
Int J Mol Sci ; 13(8): 10350-10358, 2012.
Article en En | MEDLINE | ID: mdl-22949865
The thermal effusivity of Al(2)O(3) and CuO nanofluids in different base fluids, i.e., deionized water, ethylene glycol and olive oil were investigated. The nanofluids, nanoparticles dispersed in base fluids; were prepared by mixing Al(2)O(3), CuO nanopowder and the base fluids using sonication with high-powered pulses to ensure a good uniform dispersion of nanoparticles in the base fluids. The morphology of the particles in the base fluids was investigated by transmission electron microscopy (TEM). In this study, a phase frequency scan of the front pyroelectric configuration technique, with a thermally thick PVDF pyroelectric sensor and sample, was used to measure the thermal effusivity of the prepared nanofluids. The experimental results of the thermal effusivity of the studied solvents (deionized water, ethylene glycol and olive oil) showed good agreement with literature values, and were reduced in the presence of nanoparticles. The thermal effusivity of the nanofluid was found to be particularly sensitive to its base fluid and the type of nanoparticles.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Temperatura / Cobre / Nanotecnología / Nanopartículas del Metal / Óxido de Aluminio Idioma: En Revista: Int J Mol Sci Año: 2012 Tipo del documento: Article País de afiliación: Malasia Pais de publicación: Suiza
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Temperatura / Cobre / Nanotecnología / Nanopartículas del Metal / Óxido de Aluminio Idioma: En Revista: Int J Mol Sci Año: 2012 Tipo del documento: Article País de afiliación: Malasia Pais de publicación: Suiza