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The Numerical Study on Size Effects of the Inkjet Print Head

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Abstract:

Increasing printing speed is one of the most-demanding needs for printer users. To achieve this, one should accelerate the ink refill after ink was jetted out. This depends on the proper design of the ink feed path of the print head. The ink feed path consists of nozzle plate, ink chamber, ink feed channel etc. All the shapes and sizes of these parts are important in design process. Nozzle diameter, nozzle plate height, chamber size, feed channel length and height are the key parameters for design. This work used computational-fluid-dynamics (CFD) method to study the size effect of these parts. The numerical schemes, the volume-of-fluid (VOF) method has been used due to its capability to deal with the interface between gas and liquid. Finite volume method is used as basic numerical scheme. The simulation can help engineer to find an better performance of the structure, which is consistent with the experiments.

Document Type: Research Article

Publication date: January 1, 2001

More about this publication?
  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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