Tejaswi Josyula Ph.D.
Simulation of spreading of surfactant drops
Contact
josyula@ttd.tu-...
work +49 6151 16-22691
fax +49 6151 16-22262
Work
L2|06 216
Peter-Grünberg-Str. 10
64287
Darmstadt
Institut für Technische Thermodynamik
Simulation of spreading of surfactant drops
josyula@ttd.tu-...
work +49 6151 16-22691
fax +49 6151 16-22262
Work
L2|06 216
Peter-Grünberg-Str. 10
64287
Darmstadt
Since 2022 | Researcher at the Institute for Technical Thermodynamics, TU Darmstadt |
2016–2021 | Ph.D. in Mechanical Engineering, IIT Madras, India |
2014-2016 | Master of Technology (M.Tech) in Thermal Engineering, NIT Hamirpur, India |
2010-2014 | Bachelor of Technology (B.Tech) in Mechanical Engineering, RGUKT-Nuzvid, India |
Inkjet printed images are composed of ink droplets with volumes of a few pico litres each. Accurate positioning of the single droplets on the substrate is a crucial factor for the print quality while droplet impingement and subsequent spreading determine shape and size of individual dots. Moreover, on impermeable substrates, coalescence of neighbouring droplets leads to the droplets being shifted relative to the nozzle position. Additionally, impingement, spreading and coalescence of the ink droplets are influenced by heat and mass transfer processes.
In order to gain a better understanding of the interactions within the printing process between heat and mass transport on one side and the hydrodynamics on the other side, numerical simulations with the algebraic Volume-of-Fluid method are conducted within the scope of this research project. By including appropriate material models, the influence of the temperature distribution and surfactant concentration on the hydrodynamics is taken into account in the numerical model.
The project is associated with the Collaborative Research Center 1194: Interaction between Transport and Wetting Processes .
We would like to customise the information and usability of this website to your preferences and needs.
To this end, we use so-called cookies. Please choose which cookies you would like to enable when visiting our webpages.
Some of these cookies are required to load and correctly display this website on your device.
These are strictly necessary or essential cookies and cannot be deselected.
The preferences cookie saves your language setting, while the statistics cookie regulates
how the open-source statistical software “Matomo” analyses your visits to and activities on our website.
For more information about cookies we use, please refer to our
privacy policy.