Numerical simulation of flake orientation during droplet impact on substrates in spray painting processes

Qiaoyan Ye (), Martin Dreher and Bo Shen ()
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Qiaoyan Ye: Fraunhofer Institute for Manufacturing Engineering and Automation
Martin Dreher: Fraunhofer Institute for Manufacturing Engineering and Automation
Bo Shen: University of Applied Sciences Esslingen

A chapter in High Performance Computing in Science and Engineering '21, 2023, pp 321-337 from Springer

Abstract: Abstract A numerical study of flake orientation by droplet impact on dry and wetted solid surfaces for spray painting processes has been carried out. A dynamic contact angle model was applied for the calculation of viscous droplet impact on the dry surface after experimental validation. A user-defined 6-DOF model that concerns to the rigid body motion was implemented in a commercial CFD program to calculate the flake movement inside the droplet. The simulated flake orientations show interesting results that are helpful to understand and to improve painting processes.

Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-031-17937-2_19

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DOI: 10.1007/978-3-031-17937-2_19

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