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Research on Droplet spreading on Substrate Influenced by Droplet Flying Velocity

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Droplet spreading characteristics on substrate make great effect on inkjet printing quality, but the ink viscosity, substrate surface parameters all and droplet flying velocity all affect droplet spreading on substrate. In this paper, we just research on droplet spreading on Substrate been influenced by droplet flying velocity from inkjet print-head to substrate. We set up numerical model of flying droplet based on moment equation and energy conservation equation, so that we can get theoretically result, then keep ink viscosity and substrate surface parameters invariableness, just change the droplet flying velocity, and from the analysis result, we find the relationship between droplet flying velocity and droplet spreading characteristic. From the experiment result, we amend the model for droplet, so that we get a correct numerical model for droplet spread, and in this model droplet velocity is the only variable.
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Document Type: Research Article

Publication date: 2012-01-01

More about this publication?
  • 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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