Published 12 issues per year
ISSN Print: 1044-5110
ISSN Online: 1936-2684
Indexed in
SIMULATION OF ELECTROSTATIC ROTARY BELL SPRAY PAINTING IN AUTOMOTIVE PAINT SHOPS
ABSTRACT
A new framework for simulation of electrostatic spray painting is proposed based on novel algorithms for coupled simulations of air flow, electromagnetic fields, and paint droplets. Particularly important for the computational efficiency is the Navier-Stokes solver. The incompressible solver is based on a finite volume discretization on a dynamic Cartesian octree grid and unique immersed boundary methods are used to model the presence of objects in the fluid. This enables modeling of moving objects at virtually no additional computational cost and greatly simplifies preprocessing by avoiding the cumbersome generation of a body-conforming mesh. To validate the simulation framework an extensive measurement campaign has been performed. Several test plates and car fenders were painted with different process conditions and robot paths. The same cases were then simulated and overall the agreement between simulations and experiments are remarkably good. The very efficient implementation gives a major improvement of computational speed compared to other approaches and makes it possible to simulate spray painting of a full car in just a few hours on a standard computer.
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Johnson Tomas, Jakobsson Stefan, Wettervik Benjamin, Andersson Björn, Mark Andreas, Edelvik Fredrik, A finite volume method for electrostatic three species negative corona discharge simulations with application to externally charged powder bells, Journal of Electrostatics, 74, 2015. Crossref
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Edelvik Fredrik, Mark Andreas, Karlsson Niklas, Johnson Tomas, Carlson Johan S., Math-Based Algorithms and Software for Virtual Product Realization Implemented in Automotive Paint Shops, in Math for the Digital Factory, 27, 2017. Crossref
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Ye Q., Domnick J., Analysis of droplet impingement of different atomizers used in spray coating processes, Journal of Coatings Technology and Research, 14, 2, 2017. Crossref
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Göhl Johan, Mark Andreas, Sasic Srdjan, Edelvik Fredrik, An immersed boundary based dynamic contact angle framework for handling complex surfaces of mixed wettabilities, International Journal of Multiphase Flow, 109, 2018. Crossref
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Edelvik Fredrik, Tiedje Oliver, Jonuscheit Joachim, Carlson Johan S., SelfPaint-A self-programming paint booth, Procedia CIRP, 72, 2018. Crossref
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Carlsson Magnus, Ask Rasmus, Sandgren Niklas, Jakobsson Stefan, Edelvik Fredrik, Hanson Lars, Simulation of high-pressure washing of engine blocks, Procedia CIRP, 72, 2018. Crossref
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Andersson Tommy, Nowak Dimitri, Johnson Tomas, Mark Andreas, Edelvik Fredrik, Küfer Karl-Heinz, Multiobjective Optimization of a Heat-Sink Design Using the Sandwiching Algorithm and an Immersed Boundary Conjugate Heat Transfer Solver, Journal of Heat Transfer, 140, 10, 2018. Crossref
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Darwish Ahmad Adnan, Singh Binit B., Doerre Mark, Abubaker Ahmad M., Arabghahestani Masoud, Salaimeh Ahmad A., Akafuah Nelson K., Spatial Positioning and Operating Parameters of a Rotary Bell Sprayer: 3D Mapping of Droplet Size Distributions, Fluids, 4, 3, 2019. Crossref
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Shen Bo, Ye Qiaoyan, Guettler Nico, Tiedje Oliver, Domnick Joachim, Primary breakup of a non-Newtonian liquid using a high-speed rotary bell atomizer for spray-painting processes, Journal of Coatings Technology and Research, 16, 6, 2019. Crossref
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Brentjes Antoni, Pozarlik Artur K., Brem Gerrit, Numerical simulation of evaporating charged sprays in spray chilling, Journal of Electrostatics, 107, 2020. Crossref
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Gleeson Daniel, Jakobsson Stefan, Salman Raad, Sandgren Niklas, Edelvik Fredrik, Carlson Johan S., Lennartson Bengt, Robot spray painting trajectory optimization, 2020 IEEE 16th International Conference on Automation Science and Engineering (CASE), 2020. Crossref
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Brentjes Antoni, Pozarlik Artur K., Brem Gerrit, Estimating droplet charge in numerical simulations of charged sprays, Journal of Electrostatics, 112, 2021. Crossref
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Johnson Tomas, Mark Andreas, Sandgren Niklas, Erhardsson Lars, Sandgren Simon, Edelvik Fredrik, Efficient Simulation of Convective Ovens in Automotive Paintshops, Journal of Heat Transfer, 144, 9, 2022. Crossref
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Yi Zhengyao, Mi Siyao, Tong Tianqi, Li Kai, Feng Bingxing, Li Bing, Lin Yan, Simulation Analysis on the Jet Flow Field of a Single Nozzle Spraying for a Large Ship Outer Panel Coating Robot, Coatings, 12, 3, 2022. Crossref
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Pendar Mohammad-Reza, Páscoa José Carlos, Atomization and spray characteristics around an ERBS using various operational models and conditions: numerical investigation, International Journal of Heat and Mass Transfer, 161, 2020. Crossref
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Gleeson Daniel, Jakobsson Stefan, Salman Raad, Ekstedt Fredrik, Sandgren Niklas, Edelvik Fredrik, Carlson Johan S., Lennartson Bengt, Generating Optimized Trajectories for Robotic Spray Painting, IEEE Transactions on Automation Science and Engineering, 19, 3, 2022. Crossref