Authors: C. Rembe, S. aus der Wiesche and E.P. Hofer
Affilation: University of Ulm, Germany
Pages: 550 - 553
Keywords: thermal ink jet, microactuator, model identification, phase transition, fluid dynamics
In this paper a newly developed model for identification and simulation of dynamic phenomena in a thermal ink jet is presented. As a result of the modeling the calculation of the pressure propagation in the bubble is performed by identifying the mathematical model with position measurements of the ejected liquid column. The identification of the model has been performed by minimizing the sum of quadratic deviations between simulated and measured values. Parameter studies with the identified model illuminate the behavior of the microactuator at higher overpressures.
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