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Stability Analysis of a Drop Generation from a Nozzle in an Electric Field with Corona Discharge

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Stability of a conducting drop hanging from a nozzle in an electric field with corona discharge was examined theoretically for the first time. By this static model with linear stability analysis, stability of electrostatic Inkjet process was estimated. The basic equations, the augmented Young-Laplace equation for drop shape and the Poisson equation for electric field, were coupled and solved by the Finite Element Method. According to the initial condition of its shape, a drop is deformed and subject to corona discharge with the increment of non-dimensional electric field. It was found this static model was applicable to estimate the range of stable jetting and the existence of corona discharge reduces its stable jetting range.
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Document Type: Research Article

Publication date: 2012-01-01

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  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

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