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Allotropic transformation instigated thermal diffusivity of soot nanofluid: Thermal lens study
Sankararaman S, RAJ VIMAL, Swapna Mohanachandran Nair Sindhu, 2019, izvirni znanstveni članek

Opis: This paper employs the sensitive single-beam thermal lens technique for analyzing the thermal behavior of gasoline soot containing allotropes of carbon by preparing its nanofluid (NF). The soot, annealed at different temperatures up to 400 ○C (the samples), used for preparing the NF, is found to enhance the thermal diffusivity (α) up to 95% without changing the solid volume fraction, suggesting its possible use in coolants. The thermal induced modifications are understood from the field emission scanning electron microscopic, X-ray diffraction (XRD),thermogravimetric, and Raman spectroscopic analyses. The variation of α of the sample is found to exhibit similar variations observed in XRD and Raman spectroscopic analyses. The study stresses the significance of the optimum temperature (300 ○C) for the soot NF above which morphological and structural modifications may lead to thermal energy trapping rather than dissipation or cooling.
Najdeno v: ključnih besedah
Povzetek najdenega: ... petrol soot, thermal lens, thermal diffusivity...
Ključne besede: petrol soot, thermal lens, thermal diffusivity
Objavljeno: 04.07.2022; Ogledov: 268; Prenosov: 0
.pdf Polno besedilo (3,08 MB)

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