thermal lens study
Mohanachandran Nair Sindhu Swapna (Author), Vimal Raj (Author), Sankaranarayana Iyer Sankararaman (Author)

Abstract

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.

Keywords

petrol soot;thermal lens;thermal diffusivity;

Data

Language: English
Year of publishing:
Typology: 1.01 - Original Scientific Article
Organization: UNG - University of Nova Gorica
UDC: 54
COBISS: 113694979 Link will open in a new window
ISSN: 1070-6631
Views: 514
Downloads: 0
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Other data

URN: URN:SI:UNG
Type (COBISS): Not categorized
Pages: str. 1-8
Volume: ǂVol. ǂ31
Issue: ǂiss. ǂ11
Chronology: 2019
DOI: 10.1063/1.5124030
ID: 15822783