Monitoring the Capillary Jet Breakage by Vibration Using a Fast-Video Camera

The production of beads by simple extrusion dropwise of an alginate solution in a calcium bath is a simple method. It may be done at room temperature without any toxic compound. However, simple extrusion drop by drop from a needle may result in large capsules and a low flow rate. The solution must b...

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Autores principales:	Marcella Chalella Mazzocato, Sylvie Chevallier, Carmen S. Fávaro-Trindade, Denis Poncelet
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	simple extrusion jet breakage process optimization vibrating system electro-dripping encapsulation Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/f1f22d6f55db4efda19379a9876981cc
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spelling	oai:doaj.org-article:f1f22d6f55db4efda19379a9876981cc2021-11-11T15:16:18ZMonitoring the Capillary Jet Breakage by Vibration Using a Fast-Video Camera10.3390/app1121102222076-3417https://doaj.org/article/f1f22d6f55db4efda19379a9876981cc2021-11-01T00:00:00Zhttps://www.mdpi.com/2076-3417/11/21/10222https://doaj.org/toc/2076-3417The production of beads by simple extrusion dropwise of an alginate solution in a calcium bath is a simple method. It may be done at room temperature without any toxic compound. However, simple extrusion drop by drop from a needle may result in large capsules and a low flow rate. The solution must be extruded as a jet to get a smaller size and higher flow rate, which breaks into droplets either by vibration or a cutting tool. The present contribution reports jet breakage observations into droplets under vibration by extruding an alginate solution varying some parameters during the study. The droplet formation was observed using a high-speed camera, and images were analyzed. The size, length before breakage, and droplet velocity were obtained by examining 50 droplets, and experiments were repeated three times. The high-speed camera allowed us to observe more precisely the capillary jet breakage. The study showed the importance of selecting a well-designed vibrating system, presented data while varying nozzle size, frequency, and flow rate to get optimum breakage keeping across all the same alginate solution. Further experiments would be interesting, modify the extruded solution concentration and composition, and find a precise criterion to identify optimum conditions.Marcella Chalella MazzocatoSylvie ChevallierCarmen S. Fávaro-TrindadeDenis PonceletMDPI AGarticlesimple extrusionjet breakageprocess optimizationvibrating systemelectro-drippingencapsulationTechnologyTEngineering (General). Civil engineering (General)TA1-2040Biology (General)QH301-705.5PhysicsQC1-999ChemistryQD1-999ENApplied Sciences, Vol 11, Iss 10222, p 10222 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	simple extrusion jet breakage process optimization vibrating system electro-dripping encapsulation Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
spellingShingle	simple extrusion jet breakage process optimization vibrating system electro-dripping encapsulation Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999 Marcella Chalella Mazzocato Sylvie Chevallier Carmen S. Fávaro-Trindade Denis Poncelet Monitoring the Capillary Jet Breakage by Vibration Using a Fast-Video Camera
description	The production of beads by simple extrusion dropwise of an alginate solution in a calcium bath is a simple method. It may be done at room temperature without any toxic compound. However, simple extrusion drop by drop from a needle may result in large capsules and a low flow rate. The solution must be extruded as a jet to get a smaller size and higher flow rate, which breaks into droplets either by vibration or a cutting tool. The present contribution reports jet breakage observations into droplets under vibration by extruding an alginate solution varying some parameters during the study. The droplet formation was observed using a high-speed camera, and images were analyzed. The size, length before breakage, and droplet velocity were obtained by examining 50 droplets, and experiments were repeated three times. The high-speed camera allowed us to observe more precisely the capillary jet breakage. The study showed the importance of selecting a well-designed vibrating system, presented data while varying nozzle size, frequency, and flow rate to get optimum breakage keeping across all the same alginate solution. Further experiments would be interesting, modify the extruded solution concentration and composition, and find a precise criterion to identify optimum conditions.
format	article
author	Marcella Chalella Mazzocato Sylvie Chevallier Carmen S. Fávaro-Trindade Denis Poncelet
author_facet	Marcella Chalella Mazzocato Sylvie Chevallier Carmen S. Fávaro-Trindade Denis Poncelet
author_sort	Marcella Chalella Mazzocato
title	Monitoring the Capillary Jet Breakage by Vibration Using a Fast-Video Camera
title_short	Monitoring the Capillary Jet Breakage by Vibration Using a Fast-Video Camera
title_full	Monitoring the Capillary Jet Breakage by Vibration Using a Fast-Video Camera
title_fullStr	Monitoring the Capillary Jet Breakage by Vibration Using a Fast-Video Camera
title_full_unstemmed	Monitoring the Capillary Jet Breakage by Vibration Using a Fast-Video Camera
title_sort	monitoring the capillary jet breakage by vibration using a fast-video camera
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/f1f22d6f55db4efda19379a9876981cc
work_keys_str_mv	AT marcellachalellamazzocato monitoringthecapillaryjetbreakagebyvibrationusingafastvideocamera AT sylviechevallier monitoringthecapillaryjetbreakagebyvibrationusingafastvideocamera AT carmensfavarotrindade monitoringthecapillaryjetbreakagebyvibrationusingafastvideocamera AT denisponcelet monitoringthecapillaryjetbreakagebyvibrationusingafastvideocamera
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Monitoring the Capillary Jet Breakage by Vibration Using a Fast-Video Camera

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