Numerical and Experimental Investigations of the Spray Coating Process

Domnick, Joachim; Lindenthal, Alexandra; Rüger, Melanie; Sommerfeld, Martin

doi:10.1615/iclass-97.1290

Cited by 1 publication

(1 citation statement)

References 3 publications

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“…Fine droplets of uniform size can be obtained with the electrospray method. Electrospray atomization techniques have a wide range of applications in mass spectrometry, 1) thin film deposition, 2) painting 3) and bio-applications. 4) A high voltage is applied to the nozzle with a grounded substrate.…”

Section: Introductionmentioning

confidence: 99%

Continuous ink supply and circulation system for a multi-nozzle electrospray

Mosa

Bang

et al. 2023

Jpn. J. Appl. Phys.

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The electrospray deposition method has been used in many applications, such as mass spectroscopy, thin film deposition, bio-application, painting and coating. However, low flow rates must be used for electrospray to maintain a stable cone jet mode, while most applications require high throughput. To overcome the slow deposition rate, the use of multi-nozzle electrospray should be considered. In a typical multi-nozzle electrospray system, ink in a syringe barrel is fed to the nozzles by a syringe pump or pressure regulator. However, if the ink in the syringe barrel is depleted, the entire process should be stopped to refill the ink. In this study, we propose a new head design and an ink supply system for a multi-nozzle electrospray system so that ink can be continuously supplied to the nozzles without ink being depleted during the electrospray process. The proposed system is based on circulation through multi-nozzle electrospray head so that unexpected air bubbles in the head can be easily removed.

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