About: Bubbling Controlled by Needle Movement

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A device for on-demand production of bubbles is presented. The device is based on a movable needle, through which air is injected. Bubbling is controlled by a rapid needle movement, which induces the bubble detachment. Conditions for proper function of the device include the limit on the flow rate through the needle, sufficient pressure drop of the needle and an adequate needle acceleration. Functionality of the device is demonstrated. Bubbling from a stationary needle is also discussed and a scaling for bubble size is provided for the case of short needles, to which a constant flow rate is imposed through tubes of a finite volume. A device for on-demand production of bubbles is presented. The device is based on a movable needle, through which air is injected. Bubbling is controlled by a rapid needle movement, which induces the bubble detachment. Conditions for proper function of the device include the limit on the flow rate through the needle, sufficient pressure drop of the needle and an adequate needle acceleration. Functionality of the device is demonstrated. Bubbling from a stationary needle is also discussed and a scaling for bubble size is provided for the case of short needles, to which a constant flow rate is imposed through tubes of a finite volume. (en) Práce popisuje zařízení pro řízenou tvorbu bublin, které je založeno na pohybu jehly, skrze kterou se přivádí do kapaliny vzduch. Rychlým pohybem jehly je dosaženo odtrhu bubliny. Pro správnou funkci zařízení musí být splněny podmínky udávající maximální průtok vzduchu jehlou, dostatečná tlaková ztráta jehly a dostatečné zrychlení jehly. Práce demonstruje funkčnost zařízení. Dále je diskutována tvorba bublin na nepohyblivé jehle a je odvozen odhad velikosti bublin, které vznikají na krátké jehle, do které je vzduch přiváděn skrze trubičky o konečném objemu. (cs)
Title	Bubbling Controlled by Needle Movement Bubbling Controlled by Needle Movement (en) Tvorba bublin řízená pohybem jehly (cs)
skos:prefLabel	Bubbling Controlled by Needle Movement Bubbling Controlled by Needle Movement (en) Tvorba bublin řízená pohybem jehly (cs)
skos:notation	RIV/67985858:_____/08:00310271!RIV09-AV0-67985858
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA104/05/2566), P(GP101/05/P229), Z(AV0Z40720504)
http://linked.open...iv/cisloPeriodika	7-8
http://linked.open...vai/riv/dodaniDat	2009
http://linked.open...aciTvurceVysledku	Růžička, Marek Drahoš, Jiří Vejražka, Jiří Zedníková, Mária Stanovský, Petr
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav chemických procesů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	358569
http://linked.open...ai/riv/idVysledku	RIV/67985858:_____/08:00310271
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	bubble; detechment; control (en)
http://linked.open.../riv/klicoveSlovo	bubble control detechment
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[9F9AB7F6489A]
http://linked.open...i/riv/nazevZdroje	Fluid Dynamics Research
http://linked.open...in/vavai/riv/obor	CI
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Hydrodynamic interactions of bubbles and particles in flotation process Bubble growth in boiling
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	40
http://linked.open...iv/tvurceVysledku	Růžička, Marek Vejražka, Jiří Zedníková, Mária Stanovský, Petr Drahoš, Jiří
http://linked.open...ain/vavai/riv/wos	257356300007
http://linked.open...n/vavai/riv/zamer	Investigation of multiphase reacting systems for the design of processes important in synthesis and preparation of novel materials, in energy production and in environmental protection
issn	0169-5983
number of pages	13 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Bubbling Controlled by Needle Movement Bubbling Controlled by Needle Movement

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