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Laser-induced thermal lens study of the role of morphology and hydroxyl group in the evolution of thermal diffusivity of copper oxide
Riya Sebastian, Mohanachandran Nair Sindhu Swapna, Vimal Raj, Sankaranarayana Iyer Sankararaman, 2022, izvirni znanstveni članek

Opis: The paper explores the evolution of thermal behavior of the material by studying the variations in thermal diffusivity using the single beam thermal lens (TL) technique. For this purpose, the decomposition of Cu(OH)2 into CuO is studied in a time range up to 120 h, by subjecting the sample to morphological, structural, and spectroscopic characterizations. The time evolution of thermal diffusivity can be divided into three regions for demonstrating the dynamics of the reaction. When the reaction is complete, the thermal diffusivity is also found to be saturated. In addition to the morphological modifications, from rods to flakes, the variations in the amount of hydroxyl group are attributed to be responsible for the enhancement of base fluid’s thermal diffusivity by 165%. Thus the study unveils the role of hydroxyl groups in the thermal behavior of CuO.
Najdeno v: osebi
Ključne besede: thermal diffusivity, CuO, thermal lens, morphology, hydroxyl group
Objavljeno: 04.07.2022; Ogledov: 105; Prenosov: 0
.pdf Polno besedilo (2,26 MB)

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Thermal diffusivity control in titanium dioxide nanofluid through phase tuning
Riya Sebastian, Swapna Mishra, Vimal Raj, Misha Hari, Sankaranarayana Iyer Sankararaman, 2018, izvirni znanstveni članek

Najdeno v: osebi
Ključne besede: thermal diffusivity, thermal lens, sol–gel synthesis
Objavljeno: 06.07.2022; Ogledov: 133; Prenosov: 4
.pdf Polno besedilo (2,24 MB)
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