Solutions of plate equation for the prediction of ink droplets in inkjet cartridges Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/p8418q53j

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  • Droplet formation in inkjet cartridges has been studied for several decades to improve print qualities. Currents and rigid nozzle plates are used inside the cartridge to fix the size of droplets exiting the chamber. This research is focused on studying the effect of nozzle flexibility on droplet formation. A flexible nozzle can be modeled as an flexible annular plate with a clamped outside edge. In this thesis, plate vibration equations are studied for an annular shape. An analytical solution is formed for the small deflection plate equation. To solve the large deflection plate vibration equation, Galerkin's method is used. Droplet formation is predicted by a one dimensional fluid dynamic model. An integrated plate vibration and droplet formation model is created with these basic building blocks. Results from simulation indicate flexible plates yield shorter droplet breakoff time and longer breakoff distance while generating a slightly droplet compared to a rigid nozzle.
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  • File scanned at 300 ppi (Monochrome, 256 Grayscale, 24-bit Color) using Capture Perfect 3.0 on a Canon DR-9050C in PDF format. CVista PdfCompressor 4.0 was used for pdf compression and textual OCR.
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  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2012-06-21T21:32:52Z (GMT) No. of bitstreams: 1 SangplungSaangrut2004.pdf: 2731861 bytes, checksum: 21cc124a82c98e1151584204ea2ccb66 (MD5)
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  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2012-06-21T21:35:59Z (GMT) No. of bitstreams: 1 SangplungSaangrut2004.pdf: 2731861 bytes, checksum: 21cc124a82c98e1151584204ea2ccb66 (MD5)
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