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Title:Allotropic transformation instigated thermal diffusivity of soot nanofluid: Thermal lens study
Authors:ID Swapna, Mohanachandran Nair Sindhu, UNIVERSITY OF KERALA (Author)
ID VIMAL, RAJ, UNIVERSITY OF KERALA (Author)
ID S, Sankararaman, UNIVERSITY OF KERALA (Author)
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Language:English
Work type:Not categorized
Typology:1.01 - Original Scientific Article
Organization:UNG - University of Nova Gorica
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
Publication version:Version of Record
Year of publishing:2019
Number of pages:9
Numbering:11, 31
PID:20.500.12556/RUNG-7413 New window
COBISS.SI-ID:113694979 New window
DOI:10.1063/1.5124030 New window
NUK URN:URN:SI:UNG:REP:EVTQ9EN7
Publication date in RUNG:04.07.2022
Views:2306
Downloads:0
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SWAPNA, Mohanachandran Nair Sindhu, VIMAL, RAJ and S, Sankararaman, 2019, Allotropic transformation instigated thermal diffusivity of soot nanofluid: Thermal lens study. Physics of Fluids [online]. 2019. Vol. 11, no. 31. [Accessed 27 March 2025]. DOI 10.1063/1.5124030. Retrieved from: https://repozitorij.ung.si/IzpisGradiva.php?lang=eng&id=7413
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Record is a part of a journal

Title:Physics of Fluids
Year of publishing:2019
ISSN:1089-7666

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License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:29.06.2022

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