@article{
 title = {Free-Surface Enthalpy Method for Transient Convection/Diffusion Phase Change},
 type = {article},
 year = {2017},
 identifiers = {[object Object]},
 id = {79574931-4dd2-3d8e-830f-cd4e0fac667c},
 created = {2018-02-10T01:42:02.582Z},
 file_attached = {false},
 profile_id = {9201067c-2e99-324f-931a-88b874b04371},
 last_modified = {2018-03-05T00:06:35.146Z},
 read = {false},
 starred = {false},
 authored = {true},
 confirmed = {false},
 hidden = {false},
 private_publication = {false},
 abstract = {A three-dimensional model is developed for predicting impact and solidification behaviour of droplets generated by Suspension Plasma Spraying (SPS). The model utilizes Smoothed Particle Hydrodynamics (SPH) discretization of enthalpy equation to capture the phase change process. Surface tension is modelled as an internal force between all particles that will be cancelled in the bulk of fluid and generate unbalanced surface tension forces near the free surface. Developed model is validated against various experimental, analytical, and numerical results from literature. Results confirm accuracy and robustness of the new procedures. Finally, the improved SPH model is applied to study of Suspension Plasma Spraying by predicting impact and solidification of molten ceramic droplets on the substrate. These cases include predictions for spread factor and splat formation depending on impact velocities and temperatures. Results are used to explain different processes involved in substrate coating using SPS. Conditions of the droplets at the time of reaching the substrate, i.e. temperature, velocity, and diameter are obtained from a previous study using Finite-Volume and discrete phase models to track flight, evaporation, and atomization of suspension droplets injected into the plasma flow. Effects of high temperature gradients and non-continuum on solid particles in plasma flow are also taken into account.},
 bibtype = {article},
 author = {Farrokhpanah, Amirsaman and Mostaghimi, Javad and Bussmann, Markus},
 journal = {arXiv preprint arXiv:1701.00463}
}

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