Influence of nanoparticle morphology and its dispersion ability regarding thermal properties of water used as phase change materials
Ventura Espinosa, David D
Fernández Renna, Ana Inés
Julia, J. Enrique
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Nanoparticles with different morphologies were added to water to study if the morphology of the nanoparticles affects the main parameters of water used as phase change material (PCM). Considered morphologies were spherical, tubes and sheets in the form of spherical carbon black nanoparticles (CB), multiwalled
carbon nanotubes (MWCNT), and graphene oxide nanosheets (GO). Results demonstrate that effectively the morphology of nanoparticles affect the thermophysical properties of the nano-enhanced PCM (NePCM). Depending on the morphology of the added nanoparticle, the final NePCM will have different subcooling and thermal conductivity, whereas its phase change enthalpy is not affected and, therefore, is the same for all produced NePCM.
Is part ofApplied Thermal Engineering, 2018, vol. 128, p. 121-126
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