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Aerodynamic Effect on Inkjet Main Drop and Satellite Dot Placement

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With the development of inkjet technology, high-speed printing was enabled with wider printhead and/or higher carriage scan speed. Photo quality images were achieved with smaller drops and multi-level, high-resolution printing. Due to the inherent features of thermal inkjet, the aerodynamic effect will be more significant in the future inkjet development.

This paper presents the numerical simulation of the aerodynamic effect on inkjet main drop and satellite dot placement. In this model, the stationary flow and plane Couette flow were used to simplify the flow patterns underneath the printhead. Non-spherical drop shape and evaporation were neglected. Droplets were traced with the Lagrangian approach. The aerodynamic effect on main drop and satellite motion and dot placement were simulated in three simplified cases and correlated with print samples. This model can also be used to simulate the aerodynamic effect on future inkjet printing with small drops and/or with high scan speed.
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Document Type: Research Article

Publication date: 1998-01-01

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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.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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