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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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    Abstract

    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

    Author
    Title Assessment of Spatiotemporal Heat Flux during Quenching in TiO2 and AlN Nanofluids
    Symposium ,
    Committee A01