Velocity Profile inside Piezoacoustic Inkjet Droplets in Flight: Comparison between Experiment and Numerical Simulation

J.A. van der Bos; Mark-Jan van der Meulen; T.W. Driessen; Th.H. van den Berg; H. Reinten; H. Wijshoff; H. Wijshoff; Michel Versluis; Detlef Lohse

doi:10.1103/PhysRevApplied.1.014004

Velocity Profile inside Piezoacoustic Inkjet Droplets in Flight: Comparison between Experiment and Numerical Simulation

J.A. van der Bos, Mark-Jan van der Meulen, T.W. Driessen, Th.H. van den Berg, H. Reinten, H. Wijshoff, H. Wijshoff, Michel Versluis, Detlef Lohse

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Abstract

Inkjet printing deposits droplets with a well-controlled narrow size distribution. This paper aims at improving experimental and numerical methods for the optimization of drop formation. We introduce a method to extract the one-dimensional velocity profile inside a single droplet during drop formation. We use a novel experimental approach to capture two detailed images of the very same droplet with a small time delay. The one-dimensional velocity within the droplet is resolved by accurately determining the volume distribution of the droplet. We compare the obtained velocity profiles to a numerical simulation based on the slender jet approximation of the Navier-Stokes equation and we find very good agreement.

Original language	English
Pages (from-to)	014004-1-014004-9
Number of pages	9
Journal	Physical review applied
Volume	1
DOIs	https://doi.org/10.1103/PhysRevApplied.1.014004
Publication status	Published - 2014

Keywords

IR-90678
METIS-303093

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van der Bos, J. A., van der Meulen, M-J., Driessen, T. W., van den Berg, T. H., Reinten, H., Wijshoff, H., Wijshoff, H., Versluis, M., & Lohse, D. (2014). Velocity Profile inside Piezoacoustic Inkjet Droplets in Flight: Comparison between Experiment and Numerical Simulation. Physical review applied, 1, 014004-1-014004-9. https://doi.org/10.1103/PhysRevApplied.1.014004

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abstract = "Inkjet printing deposits droplets with a well-controlled narrow size distribution. This paper aims at improving experimental and numerical methods for the optimization of drop formation. We introduce a method to extract the one-dimensional velocity profile inside a single droplet during drop formation. We use a novel experimental approach to capture two detailed images of the very same droplet with a small time delay. The one-dimensional velocity within the droplet is resolved by accurately determining the volume distribution of the droplet. We compare the obtained velocity profiles to a numerical simulation based on the slender jet approximation of the Navier-Stokes equation and we find very good agreement.",

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AU - van der Bos, J.A.

AU - van der Meulen, Mark-Jan

AU - Driessen, T.W.

AU - van den Berg, Th.H.

AU - Reinten, H.

AU - Wijshoff, H.

AU - Versluis, Michel

AU - Lohse, Detlef

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N2 - Inkjet printing deposits droplets with a well-controlled narrow size distribution. This paper aims at improving experimental and numerical methods for the optimization of drop formation. We introduce a method to extract the one-dimensional velocity profile inside a single droplet during drop formation. We use a novel experimental approach to capture two detailed images of the very same droplet with a small time delay. The one-dimensional velocity within the droplet is resolved by accurately determining the volume distribution of the droplet. We compare the obtained velocity profiles to a numerical simulation based on the slender jet approximation of the Navier-Stokes equation and we find very good agreement.

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KW - METIS-303093

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JO - Physical review applied

JF - Physical review applied

SN - 2331-7019

ER -

Velocity Profile inside Piezoacoustic Inkjet Droplets in Flight: Comparison between Experiment and Numerical Simulation

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Keywords

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