Abstract
The quality of inkjet printing is impacted by the airflow dynamics in the near vicinity of the printing zone. In particular, at elevated pen-to-paper spacings (PPS), which is crucial for certain applications, the flow within the print gap of an inkjet printer becomes unstable. This can induce a temporal and spatial periodic misplacement of satellite droplets that cause a printing defect known as tiger-stripes. To investigate this flow instability, a two-dimensional computational model is developed and refined to accurately capture the flow features.
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