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Volume 6, Issue 5 (October 2017)
Special Issue Paper
Assessment of Spatiotemporal Heat Flux during Quenching in TiO2 and AlN Nanofluids
(Received 12 January 2017; accepted 28 April 2017)
Published Online: 03 October 2017
CODEN: MPCACD
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In the present work, spatiotemporal heat flux transients were estimated during quenching of an Inconel 600 alloy probe in water-based titanium dioxide (TiO2) and aluminum nitride (AlN) nanofluids that have nanoparticle concentrations varying from 0.001 to 0.5 vol. %. The results showed reduced peak heat flux and a longer vapor phase stage during quenching with nanofluids compared to quenching with water. The peak heat flux for quenching in nanofluids was lowered with increase in the nanoparticle concentration. Quenching with TiO2 nanofluids resulted in slower heat extraction compared to quenching in AlN nanofluids at higher concentrations. Quenching with nanofluids resulted in a more uniform quench compared to quenching with water because of the reduction in the rewetting period.
Author Information:
Nayak, U. V.
Department of Metallurgical and Materials Engineering, N.I.T.K., Surathkal, Mangalore,
Ramesh, G.
Department of Metallurgical and Materials Engineering, N.I.T.K., Surathkal, Mangalore,
Prabhu, K. N.
Department of Metallurgical and Materials Engineering, N.I.T.K., Surathkal, Mangalore,
Stock #: MPC20170002
ISSN:2379-1365
DOI: 10.1520/MPC20170002
AuthorTitle Assessment of Spatiotemporal Heat Flux during Quenching in TiO2 and AlN Nanofluids
Symposium ,
Committee A01