Exploració per autor "Jofre Cruanyes, Lluís"
Ara es mostren els items 38-57 de 75
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Level-set simulations of buoyancy-driven motion of single and multiple bubbles
Balcázar Arciniega, Néstor; Lehmkuhl Barba, Oriol; Jofre Cruanyes, Lluís; Olivaa, Assensi (2015-12-01)
Article
Accés obertThis paper presents a numerical study of buoyancy-driven motion of single and multiple bubbles by means of the conservative level-set method. First, an extensive study of the hydrodynamics of single bubbles rising in a ... -
Machine learning-based recovery of thermophysical information from velocity data in supercritical fluids turbulence
Masclans Serrat, Núria; Vázquez-Novoa, Fernando; Bernades, Marc; Badia Sala, Rosa Maria; Jofre Cruanyes, Lluís (European Research Community on Flow, Turbulence, and Conbustion (ERCOFTAC), 2023)
Text en actes de congrés
Accés obertRecent research has shown the possibility to achieve microconfined turbulence utilizing supercritical fluids under high-pressure transcritical conditions. This has generated increasing interest in the hybrid nature of the ... -
Microconfined high-pressure transcritical fluid turbulence
Bernades, Marc; Capuano, Francesco; Jofre Cruanyes, Lluís (2023-01-30)
Article
Accés obertMicrofluidics technology has grown rapidly over the past decades due to its high surface-to-volume ratios, flow controllability, and length scales efficiently suited for interacting with microscopic elements.However, as a ... -
Microwave-microfluidic measurement system optimization for bio-particle-sensing with coplanar-electrodes
Palacios Arias, César Augusto; Jofre Cruanyes, Marc; Jofre Cruanyes, Lluís; Trabal Pou, Arnau; Coll Beltran, Mercè; Rodríguez Gargallo, Marta; Romeu Robert, Jordi; Jofre Roca, Lluís (Íñigo Cuiñas Gómez, 2021)
Text en actes de congrés
Accés restringit per política de l'editorialMicrowave and microfluidic techniques may enable wireless monitoring and interaction with bio-particles, yet still is a largely uncharted territory. Fortunately, the requirements of microfluidics and microwave techniques ... -
Multi-fidelity uncertainty quantification of irradiated particle-laden turbulence
Jofre Cruanyes, Lluís (2017)
Report de recerca
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Multifidelity modeling of irradiated particle-laden turbulence subject to uncertainty
Jofre Cruanyes, Lluís; Papadakis, Manolis (2020)
Article
Accés obertThe study of thermal radiation interacting with particle-laden turbulence is of great importance in a wide range of scientific and engineering applications. The computational study of such systems is challenging as a result ... -
Multifidelity prediction in wildfire spread simulation: Modeling, uncertainty quantification and sensitivity analysis
Miguel Valero, Mario; Jofre Cruanyes, Lluís; Torres Cámara, Ricardo (Elsevier, 2021-07-01)
Article
Accés obertWildfire behavior predictions typically suffer from significant uncertainty. However, wildfire modeling uncertainties remain largely unquantified in the literature, mainly due to computing constraints. New multifidelity ... -
Multilevel Monte Carlo sampling on heterogeneous computer architectures
Ye, Yabin; Jofre Cruanyes, Lluís (2020)
Article
Accés obertMonte Carlo (MC) sampling is the standard approach for uncertainty propagation in problems with high-dimensional stochastic inputs. Various acceleration techniques have been developed to overcome the slow convergence of ... -
Multiscale flow topologies in microconfined high-pressure transcritical fluid turbulence
Barea Sánchez, Guillem; Masclans Serrat, Núria; Jofre Cruanyes, Lluís (2023-05-30)
Article
Accés obertThe topology of multiscale turbulent motions in a high-pressure transcritical channel flow is studied using direct numerical simulations. In particular, the system analyzed corresponds to high-pressure (P/Pc=2) microconfined ... -
Near-interface flow modeling in large-eddy simulation of two-phase turbulence
Jofre Cruanyes, Lluís; Dodd, Michael S.; Grau Barceló, Joan; Torres Cámara, Ricardo (2020-11-11)
Article
Accés obertThe smallest hydrodynamic length scales in two-phase turbulence are located at the interface between phases, or fluids, as a result of two-way coupling phenomena. Typically, these interface-generated scales are several ... -
Near-interface modeling in large-eddy simulation of two-phase turbulent flow
Jofre Cruanyes, Lluís; Dodd, Michael S. (2020)
Text en actes de congrés
Accés obertThe smallest hydrodynamic length scales in interfacial turbulent flow are located at the interface between phases/fluids as a result of two-way coupling phenomena. These interface-generated scales are, typically, several ... -
Non-dissipative large-eddy simulation of high-pressure transcritical turbulent flows: formulation and a priori analysis
Bernades, Marc; Jofre Cruanyes, Lluís; Capuano, Francesco (European Research Community on Flow, Turbulence, and Conbustion (ERCOFTAC), 2023)
Text en actes de congrés
Accés obertThis work presents a filtered set of equations suitable for the large-eddy simulation of high-pressure transcritical turbulent flows. The formulation is derived from a novel kinetic-energy- and pressureequilibrium- preserving ... -
Numerical simulation of incompressible two phase flows by conservative level set method
Balcázar Arciniega, Néstor; Jofre Cruanyes, Lluís; Lehmkuhl Barba, Oriol; Rigola Serrano, Joaquim; Castro González, Jesús (Budapest University of Technology and Economics, 2012)
Text en actes de congrés
Accés restringit per política de l'editorialA numerical formulation for the Conservative Level-Set Method of Olsson and Kreiss is implemented using the finite volume approach. Both convective term of the interface advection equation and compression term of the ... -
Numerical simulation of multiphase immiscible flow on unstructured meshes
Jofre Cruanyes, Lluís (Universitat Politècnica de Catalunya, 2014-07-25)
Tesi
Accés obertThe present thesis aims at developing a basis for the numerical simulation of multiphase flows of immiscible fluids. This approach, although limited by the computational power of the present computers, is potentially very ... -
Numerical study of the incompressible Richtmyer-Meshkov instability. Interface tracking methods on general meshes
Jofre Cruanyes, Lluís; Balcázar Arciniega, Néstor; Lehmkuhl Barba, Oriol; Castro González, Jesús; Oliva Llena, Asensio (2012)
Text en actes de congrés
Accés obertThe numerical simulation of interfacial and free surface flows is a vast and interesting topic in the areas of engineering and fundamental physics, such as the study of liquid-gas interfaces, formation of droplets, bubbles ... -
On diffuse-interface modeling of high-pressure transcritical fuel sprays
Jofre Cruanyes, Lluís (2015)
Report de recerca
Accés obert -
On interfacial transport in transcritical flows of liquid fuels into high-pressure combustors
Jofre Cruanyes, Lluís (2016)
Report de recerca
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On the wireless microwave sensing of bacterial membrane potential in microfluidic-actuated platforms
Jofre Cruanyes, Marc; Jofre Cruanyes, Lluís; Jofre Roca, Lluís (Multidisciplinary Digital Publishing Institute (MDPI), 2021-05-14)
Article
Accés obertThe investigation of the electromagnetic properties of biological particles in microfluidic platforms may enable microwave wireless monitoring and interaction with the functional activity of microorganisms. Of high relevance ... -
Parallel load balancing strategy for Volume-of-Fluid methods on 3-D unstructured meshes
Jofre Cruanyes, Lluís; Borrell Pol, Ricard; Lehmkuhl Barba, Oriol; Oliva Llena, Asensio (2015-02-01)
Article
Accés obertl Volume-of-Fluid (VOF) is one of the methods of choice to reproduce the interface motion in the simulation of multi-fluid flows. One of its main strengths is its accuracy in capturing sharp interface geometries, although ... -
Parallelization study of a VOF/Navier-Stokes model for 3D unstructured staggered meshes
Jofre Cruanyes, Lluís; Lehmkuhl Barba, Oriol; Borrell Pol, Ricard; Castro González, Jesús; Oliva Llena, Asensio (2011)
Comunicació de congrés
Accés obertThe numerical simulation of interfacial and free surface flows is a vast and interesting topic in the areas of engineering and fundamental physics, such as the study of liquid-gas interfaces, formation of droplets, bubbles ...