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Computational Development of a Novel Aerosol Synthesis Technique for Production of Dense and Nanostructured Zirconia Coating

Mahrukh, M, Kumar, A, Gu, S and Kamnis, S (2016) Computational Development of a Novel Aerosol Synthesis Technique for Production of Dense and Nanostructured Zirconia Coating Industrial and Engineering Chemistry Research, 55 (28). pp. 7679-7695.

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Abstract

The feasibility of a new processing method solution precursor high-velocity oxygen fuel spray (SP-HVOFS) is presented for the production of dense ZrO2-based nanostructured coatings, in which organometallic chemical precursor droplets are injected into the HVOF spray system. With the help of developed computational fluid dynamics (CFD) solver (Fluent), the evolution of particle volume, area, and number concentration is simulated considering nucleation, coagulation, and sintering. The aerosol model is validated with the experimental data available in the literature. When the oxygen-fuel gas flow rate (GFR) is increased, the (i) velocity and (ii) enthalpy of the HVOF flame is increased. The former reduces the particle residence time in the HVOF flame while the latter favors the sintering. Overall the results show that, by controlling the GFR, single scale nanometre particles (∼1–5 nm) can be fabricated without any agglomeration.

Item Type: Article
Subjects : Industrial and Engineering Chemistry Research
Divisions : Faculty of Engineering and Physical Sciences > Chemical and Process Engineering
Authors :
AuthorsEmailORCID
Mahrukh, MUNSPECIFIEDUNSPECIFIED
Kumar, AUNSPECIFIEDUNSPECIFIED
Gu, SUNSPECIFIEDUNSPECIFIED
Kamnis, SUNSPECIFIEDUNSPECIFIED
Date : 28 June 2016
Identification Number : 10.1021/acs.iecr.6b01725
Copyright Disclaimer : © 2016 American Chemical Society
Depositing User : Symplectic Elements
Date Deposited : 21 Jul 2016 11:36
Last Modified : 22 Jul 2016 11:24
URI: http://epubs.surrey.ac.uk/id/eprint/811285

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