Exploració per tema "Drops"
Ara es mostren els items 1-16 de 16
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A level-set method for thermal motion of bubbles and droplets
(Institute of Physics (IOP), 2016)
Text en actes de congrés
Accés obertA conservative level-set model for direct simulation of two-phase flows with thermocapillary effects at dynamically deformable interface is presented. The Navier-Stokes equations coupled with the energy conservation equation ... -
A multiple marker level-set method for simulation of deformable fluid particles
(2015-09-01)
Article
Accés obertA novel multiple marker level-set method is introduced for Direct Numerical Simulation of deformable fluid particles (bubbles and droplets), which is integrated in a finite-volume framework on collocated unstructured grids. ... -
A particle finite element-based model for droplet spreading analysis
(2020-04)
Article
Accés obertA particle finite element method-based model is proposed to analyze droplet dynamics problems, particularly droplet spreading on solid substrates (wetting). The model uses an updated Lagrangian framework to formulate the ... -
A Study of binary collision of GNF droplets using a conservative level-set method
(International Centre for Numerical Methods in Engineering (CIMNE), 2018)
Comunicació de congrés
Accés restringit per política de l'editorialIn this study, numerical simulations of binary droplet collisions of two GNF droplets are carried out. Navier-Stokes equations are solved for fluid motion both inside and outside of the droplet using a conservative ... -
An study of phenomena around droplets impacting on a liquid surface
(Universitat Politècnica de Catalunya, 2010-01-25)
Treball Final de Grau
Accés obertEstudi experimental de les diferents fenomenologies que s'observen quan una gota impacta amb una superficie d'aigua. Es realitzara un analisi centrat principalment en els aspectes energetics del fenomen. -
Comparison of drop evaporation models on hot surface
(Universitat Politècnica de Catalunya / Politecnico di Milano, 2014)
Treball Final de Grau
Accés obert
Realitzat a/amb: Politecnico di MilanoThis project is a study of how a sessile drop evaporates on a hot surface. Some existing models of droplet evaporation are explained, understood, simulated and compared. This project also provides an expression of drop ... -
DNS of falling droplets in a vertical channel
(WIT Press, 2018-02-01)
Article
Accés obertThis paper presents Direct Numerical Simulation (DNS) of the falling motion of single and multiple deformable drops in a vertical channel. A systematic study of the wall effect on the motion of single drop is performed for ... -
Droplet size classifications for hollow-cone nozzles manipulated with two different PWM valves
(ASABE, 2022)
Text en actes de congrés
Accés obertImplementation of PWM-controlled hollow-cone nozzles in orchard sprayers is the optimal solution to achieve variable-rate applications; however, there is still little information on the droplet size distribution and spray ... -
Embroidered textile frequency-splitting sensor based on stepped-impedance resonators
(2022)
Article
Accés obertThis paper presents an embroidered textile frequency-splitting microwave sensor based on a pair of identical stepped-impedance resonators (SIRs) loading a microstrip transmission line. The sensor is implemented by means ... -
Estudio de la turbulencia del aire y su efecto en la distribución de producto en carretillas adaptadas para tratamientos en invernaderos
(2017)
Text en actes de congrés
Accés obertThe present work consisted to characterize the fluctuations of the airflow produced by 4 sprayers adapted to greenhouse phytosanitary applications. Four equipment were used: 1) a handheld trolley sprayer (Amate, Almería, ... -
Experimental investigation of the impact of single droplets of non-Newtonian fluid
(Universitat Politècnica de Catalunya / Technishe Universität Darmstadt, 2009)
Projecte/Treball Final de Carrera
Accés restringit per decisió de l'autorThis study is devoted to the investigation of impact of a paint drop onto a thin liquid film. In particular the mechanism of bubble entrapment during drop impact will be studied. The study is motivated by the technology ... -
Experimental study of the influence of an electric field on the shape of a droplet
(Universitat Politècnica de Catalunya / Université Libre de Bruxelles, 2014)
Projecte Final de Màster Oficial
Accés obertThe electrowetting effect has emerged as an important research topic in recent years. Manipulation of droplets by electric fields has been extensively studied employing different setups, the most common being ... -
Experimental study of water droplet collisions in low gravity
(2010)
Text en actes de congrés
Accés obertAn experimental setup for the study of droplet collisions in a drop tower is presented. -
Gravity-driven motion of a swarm of bubbles in a vertical pipe
(2015)
Text en actes de congrés
Accés restringit per política de l'editorialIn this work, Direct Numerical Simulations of gravity-driven motion of a swarm of bubbles in a vertical pipe are presented. These simulations were carried out in the contex of a multiple marker level-set methodology, which ... -
Liquid jet breakup and subsequent droplet dynamics under normal gravity and in microgravity conditions
(2015-07-28)
Article
Accés obertWe present an experimental study on the characteristics of liquid jets in different configurations. We consider jets injected perpendicular to gravity, jets injected parallel to gravity, and jets injected in a microgravity ... -
On the application of the PFEM to droplet dynamics modeling in fuel cells
(Springer, 2016-04-26)
Article
Accés obertThe Particle Finite Element Method (PFEM) is used to develop a model to study two-phase flow in fuel cell gas channels. First, the PFEM is used to develop the model of free and sessile droplets. The droplet model is ...