Dynamic behavior of droplet formation in dripping mode of capillary ﬂow focusing

Experimental study on the liquid dripping in a capillary ﬂow focusing process is performed. Due to the high-speed gas stream that drives the inner liquid co-ﬂowing through an oriﬁce, complex phenomena for the droplet formation in dripping regime can be found as the gas pressure drop and the liquid ﬂ...

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Autor principal:	Ting Si
Formato:	article
Lenguaje:	EN
Publicado:	Yandy Scientific Press 2021
Materias:	flow focusing dripping mode droplet formation coalescence Physics QC1-999
Acceso en línea:	https://doaj.org/article/86ba5f55097c4610a9c7dbd48ba16f67
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id	oai:doaj.org-article:86ba5f55097c4610a9c7dbd48ba16f67
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spelling	oai:doaj.org-article:86ba5f55097c4610a9c7dbd48ba16f672021-11-08T02:53:58ZDynamic behavior of droplet formation in dripping mode of capillary ﬂow focusing10.46690/capi.2021.03.012652-3310https://doaj.org/article/86ba5f55097c4610a9c7dbd48ba16f672021-09-01T00:00:00Zhttps://www.yandy-ager.com/index.php/cap/article/view/351https://doaj.org/toc/2652-3310Experimental study on the liquid dripping in a capillary ﬂow focusing process is performed. Due to the high-speed gas stream that drives the inner liquid co-ﬂowing through an oriﬁce, complex phenomena for the droplet formation in dripping regime can be found as the gas pressure drop and the liquid ﬂow rate change. Periodic dripping mode can produce uniform droplets, and non-periodic ones can result in satellites and droplets of different diameters. The droplet-droplet coalescence in the core of co-ﬂowing gas stream is also obtained. The size of resultant droplets is measured under different values of gas pressure drop and liquid ﬂow rate. It can be seen that the droplet size tends to decrease as the gas pressure drop increases and keeps nearly the same as the liquid ﬂow rate increases. The results also indicate that the dynamic behavior of droplet formation in dripping mode of capillary ﬂow focusing is mainly dominated by the gas pressure drop, and the capillary ﬂow focusing technique can produce droplets with high throughput even in the dripping regime.Ting SiYandy Scientific Pressarticleflow focusingdripping modedroplet formationcoalescencePhysicsQC1-999ENCapillarity, Vol 4, Iss 3, Pp 45-49 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	flow focusing dripping mode droplet formation coalescence Physics QC1-999
spellingShingle	flow focusing dripping mode droplet formation coalescence Physics QC1-999 Ting Si Dynamic behavior of droplet formation in dripping mode of capillary ﬂow focusing
description	Experimental study on the liquid dripping in a capillary ﬂow focusing process is performed. Due to the high-speed gas stream that drives the inner liquid co-ﬂowing through an oriﬁce, complex phenomena for the droplet formation in dripping regime can be found as the gas pressure drop and the liquid ﬂow rate change. Periodic dripping mode can produce uniform droplets, and non-periodic ones can result in satellites and droplets of different diameters. The droplet-droplet coalescence in the core of co-ﬂowing gas stream is also obtained. The size of resultant droplets is measured under different values of gas pressure drop and liquid ﬂow rate. It can be seen that the droplet size tends to decrease as the gas pressure drop increases and keeps nearly the same as the liquid ﬂow rate increases. The results also indicate that the dynamic behavior of droplet formation in dripping mode of capillary ﬂow focusing is mainly dominated by the gas pressure drop, and the capillary ﬂow focusing technique can produce droplets with high throughput even in the dripping regime.
format	article
author	Ting Si
author_facet	Ting Si
author_sort	Ting Si
title	Dynamic behavior of droplet formation in dripping mode of capillary ﬂow focusing
title_short	Dynamic behavior of droplet formation in dripping mode of capillary ﬂow focusing
title_full	Dynamic behavior of droplet formation in dripping mode of capillary ﬂow focusing
title_fullStr	Dynamic behavior of droplet formation in dripping mode of capillary ﬂow focusing
title_full_unstemmed	Dynamic behavior of droplet formation in dripping mode of capillary ﬂow focusing
title_sort	dynamic behavior of droplet formation in dripping mode of capillary ﬂow focusing
publisher	Yandy Scientific Press
publishDate	2021
url	https://doaj.org/article/86ba5f55097c4610a9c7dbd48ba16f67
work_keys_str_mv	AT tingsi dynamicbehaviorofdropletformationindrippingmodeofcapillaryflowfocusing
_version_	1718443015692877824

Dynamic behavior of droplet formation in dripping mode of capillary ﬂow focusing

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