publication . Article . 2019

2D and 3D numerical modelling of internal flow of Pressure-swirl atomizer

Milan Maly; Jaroslav Slama; Marcel Sapik; Jan Jedelsky;
Open Access English
  • Published: 01 Jan 2019 Journal: EPJ Web of Conferences (issn: 2100-014X, Copyright policy)
  • Publisher: EDP Sciences
Abstract
<jats:p>This paper compares 2D axisymmetric and 3D numerical models used to predict the internal flow of a pressure-swirl atomizer using a commercial software Ansys Fluent 18.1. The computed results are compared with experimental data in terms of spray cone angle (SCA), discharge coefficient (<jats:italic>C</jats:italic><jats:sub>D</jats:sub>), internal air-core dimensions and swirl velocity profile. The swirl velocity was experimentally studied using a Laser Doppler Anemometry in a scaled transparent model of the atomizer. The internal air-core was visualized at high temporal and spatial resolution by a high-speed camera with backlit illumination. The internal ...
Subjects
free text keywords: Physics, QC1-999, Mechanics, Internal flow, Materials science
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