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Browsing by Author "Gañán-Calvo, Alfonso M."
Now showing items 1-20 of 81
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Article
A new device for the generation of microbubbles
Gordillo Arias de Saavedra, José Manuel; Cheng, Zhengdong; Gañán-Calvo, Alfonso M.; Márquez, M.; Weitz, D. A. (Elsevier, 2004)In this paper we present a new method for the production of bubble-liquid suspensions (from now on BLS) composed of ...
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Article
A new flow focusing technique to produce very thin jets
Acero, A. J.; Rebollo Muñoz, N.; Montanero, J. M.; Gañán-Calvo, Alfonso M.; Vega, Emilio J. (IOP Publishing Ltd, 2013)A new technique is proposed in this paper to produce jets, droplets, and emulsions with sizes ranging from tens of microns ...
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Article
Absolute and convective instability of a charged viscoelastic liquid jet
Li, Fang; Gañán-Calvo, Alfonso M.; López-Herrera Sánchez, José María; Yin, X. Y.; Yin, X. Z. (Elsevier, 2013)The absolute and convective instability of an electrically charged viscoelastic liquid jet is studied. The liquid is assumed ...
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Article
Acoustofluidic control of bubble size in microfluidic flow-focusing configuration
Chong, Zhuang Zhi; Tor, Shu Beng; Loh, Ngiap Hiang; Wong, Teck Neng; Gañán-Calvo, Alfonso M.; Tan, Say Hwa; Nguyen, Nam-Trung (Royal Society of Chemistry, 2015)This paper reports a method to control the bubble size generated in a microfluidic flow-focusing configuration. With an ...
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Article
Active droplet generation in microfluidics
Chong, Zhuang Zhi; Tan, Say Hwa; Gañán-Calvo, Alfonso M.; Tor, Shu Beng; Loh, Ngiap Hiang; Nguyen, Nam-Trung (Royal Society of Chemistry, 2016)The reliable generation of micron-sized droplets is an important process for various applications in droplet-based ...
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Article
Aerodynamically stabilized Taylor cone jets
Cruz-Mazo, Francisco; Wiedorn, Max O.; Herrada Gutiérrez, Miguel Ángel; Bajt, Sasa; Chapman, H. N.; Gañán-Calvo, Alfonso M. (American Physical Society, 2019)We introduce a way to produce steady micro/nano-liquid jets via electrohydrodynamic elds together with co- owing gas ...
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Article
Análisis modal de gotas cautivas
Gañán-Calvo, Alfonso M.; Barbero, A. (Asociación española de ingeniería mecánica, 1987)Se ha desarrollado un modelo analítico para determinar las frecuencias de vibración y las oscilaciones libres de pequeña amplitud de gotas cautivas bajo la influencia de campos gravitatorios y/o isorrotacionales.
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Article
Application of flow focusing to the break-up of a magnetite suspension jet for the production of paramagnetic microparticles
Martín Banderas, Lucía; González Prieto, Román; Rodríguez Gil, Alfonso; Fernández Arévalo, María Mercedes; Flores Mosquera, María; Chávez de Diego, Sebastián; Gañán-Calvo, Alfonso M. (2011)Paramagnetic particles offer an extensive improvement in the magnetic separation or purification of a wide variety of ...
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Article
Automated droplet measurement (ADM): an enhanced video processing software for rapid droplet measurements
Chong, Zhuang Zhi; Tor, Shu Beng; Gañán-Calvo, Alfonso M.; Chong, Zhuang Jie; Loh, Ngiap Hiang; Nguyen, Nam‑Trung; Tan, Say Hwa (Springer Verlag, 2016)This paper identifies and addresses the bottlenecks that hamper the currently available software to perform in situ ...
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Article
Bubbling in Unbounded Coflowing Liquids
Gañán-Calvo, Alfonso M.; Herrada Gutiérrez, Miguel Ángel; Garstecki, Piotr (The American Physical Society, 2006)An investigation of the stability of low density and viscosity fluid jets and spouts in unbounded coflowing liquids is ...
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Final Degree Project
Caracterización de micro-bombas para aplicaciones biomédicas. I Caracterización experimental y simulación numérica
Rodríguez Fernández, Alberto (2016)El objetivo del proyecto es la caracterización completa de una serie de tecnologías de micro-bombeo de fluidos, obtener ...
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Article
Cone-Jet Analytical Extension of Taylor’s Electrostatic Solution and the Asymptotic Universal Scaling Laws in Electrospraying
Gañán-Calvo, Alfonso M. (The American Physical Society, 1997)An analytical cone-jet solution for the electrohydrodynamic atomization of liquids has been foundfor an ...
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Article
Controlled cavity collapse: scaling laws of drop formation
Said Mohamed Ismail, Ahmed; Gañán-Calvo, Alfonso M.; Castrejón-Pita, José Rafael; Herrada Gutiérrez, Miguel Ángel; Castrejón-Pita, Alfonso A. (Royal Society of Chemistry (RSC), 2018-09)The formation of transient cavities at liquid interfaces occurs in an immense variety of natural processes, among which ...
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Final Degree Project
Determinación experimental de la carga eléctrica transportada por las primeras gotas emitidas en la formación de un cono de Taylor
Morales Gonzáles, Gabriela (2017)El cono-chorro de Taylor es un modo o configuración geométrica de electrospray, en el que la entrefase de la gota generadora ...
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Final Degree Project
Development and testing of a quantitative heat flux estimation method for geographical surfaces. Application to the Urban Heat Island Effect
Romero-Calvo, Álvaro (2016)The purpose of this project is the development and testing of a new geographical surface heat exchange measurement ...
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Article
Diameter and charge of the first droplet emitted in electrospray
Rubio, M.; Sadek, S. H.; Gañán-Calvo, Alfonso M.; Montanero Fernández, José María (American Institute of Physics Inc., 2021)The first droplet produced by a low-conductivity pendant/sessile droplet subject to a strong electric field is particularly ...
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Article
Dripping, jetting and tip streaming
Montanero Fernández, José María; Gañán-Calvo, Alfonso M. (Institute of Physics Publishing, 2020)Dripping, jetting and tip streaming have been studied up to a certain point separately by both fluid mechanics and ...
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Article
Effect of an axial electric field on the breakup of a leaky-dielectric liquid filament
Rubio, M.; Ponce-Torres, Alberto; Herrada Gutiérrez, Miguel Ángel; Gañán-Calvo, Alfonso M.; Montanero, J. M. (American Institute of Physics Inc., 2021)We study experimentally and numerically the thinning of Newtonian leaky-dielectric filaments subjected to an axial electric ...
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Article
Effectiveness of flossing loops in the control of the gingival health
Azcarate-Velázquez, Francisco; Garrido Serrano, Roberto; Castillo Dalí, Gabriel; Serrera Figallo, María de los Ángeles; Gañán-Calvo, Alfonso M.; Torres-Lagares, Daniel (Medicina Oral Sl, 2017)Background: One of the key factor in the good condition of periodontal tissues is their daily hygiene. Oral hygiene techniques ...
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Article
Electrical Conductivity of a Stretching Viscoelastic Filament
Rubio, Manuel; Sadek, Samir; Vega, Emilio J.; Gañán-Calvo, Alfonso M.; Montanero, J. M. (MDPI, 2021)Long polymeric chains highly stretched and aligned with the flow confer a strong mechanical anisotropy on a viscoelastic ...