Please use this identifier to cite or link to this item: https://idr.nitk.ac.in/jspui/handle/123456789/6972
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dc.contributor.authorJagannath, V.
dc.contributor.authorPrabhu, K.N.
dc.date.accessioned2020-03-30T09:46:31Z-
dc.date.available2020-03-30T09:46:31Z-
dc.date.issued2010
dc.identifier.citationASTM Special Technical Publication, 2010, Vol.1523 STP, , pp.571-583en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/6972-
dc.description.abstractIn the present work, the suitability of vegetable oil blends with mineral oil and alumina based nanofluids as quench media for industrial heat treatment was investigated. Sunflower oil, palm oil, and mineral oil were used for preparing the blends. Alumina based nanofluids of varying concentrations ranging from 0.01-4 % were used. The size of alumina particles was about 50 nm. The severity of quenching and heat transfer coefficients were estimated during quenching of copper probes. Heat transfer coefficients were estimated using a lumped heat capacitance model. The static contact angle was measured on copper substrates having a surface texture similar to the probes used for estimation of heat transfer coefficients. A dynamic contact angle analyzer was used for this purpose. The measured contact angles of nanofluids on copper were high compared to oils, indicating poor wetting by quench media that are polar in nature. Wetting characteristics had a significant effect on heat transfer coefficients estimated during quenching. Copyright � 2009 by ASTM International.en_US
dc.titleSeverity of quenching and kinetics of wetting of nanofluids and vegetable oilsen_US
dc.typeBook chapteren_US
Appears in Collections:2. Conference Papers

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