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Volume: 17 | Article ID: art00070_1
The Numerical Study on Size Effects of the Inkjet Print Head
  DOI :  10.2352/ISSN.2169-4451.2001.17.1.art00070_1  Published OnlineJanuary 2001

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.

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Ching-Long Chiu, Jinn-Cherng Yang, Chien-Hung Liu, Je-Ping Hu, Charles C. Chang, "The Numerical Study on Size Effects of the Inkjet Print Headin Proc. IS&T Int'l Conf. on Digital Printing Technologies (NIP17),  2001,  pp 319 - 322,

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