Exploració per autor "Redondo Apraiz, José Manuel"
Ara es mostren els items 48-67 de 81
-
Non-linear fractal percolation experiments in carstic and aggregation soils
Chierubini, Claudia; Tarquis Alfonso, Ana Maria; Redondo Apraiz, José Manuel; Pastore, Nicola (2014)
Text en actes de congrés
Accés obertThe present study compares the performances and reliabilities of the classical Mobile – Immobile Model (MIM) and the Explicit Network Model (ENM) that takes expressly into account the network geometry for describing tracer ... -
Numerical LES models of Richtmyer-Meshkov and Rayleigh-Taylor instabilities
Garzón Bedoya, Germán; Redondo Apraiz, José Manuel; Rozanov, V.B.; Gushkov, S. (Universidad Complutense de Madrid (UCM), 2010)
Comunicació de congrés
Accés obertExperimental and numerical results on the advance of a mixing or non-mixing front occurring at a density interface due to gravitational acceleration are analyzed considering the fractal and spectral structure of the front. ... -
Ocean classification of dynamical structures detected by SAR and spectral methods
Redondo Apraiz, José Manuel; Martínez Benjamín, Juan José; Tellez Alvarez, Jackson David; Jorge Sánchez, Juan; Díez Rilova, Margarita; Sekula, Emil (European Space Agency (ESA), 2016)
Text en actes de congrés
Accés obertWe discuss a taxonomy of different dynamical featuresin the ocean surface and provide some eddy and frontstatistics, as well as describing some events detected byseveral satellites and even with additional cruise observationsand ... -
Oil spill detection and prediction in the NW Mediterranean Sea, multifractal methods for space based SAR analysis
Redondo Apraiz, José Manuel; Matulka, Annia; Platónov, Alexéi Konstantínovich (Atenea. Campus digital UPC, 2009)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper presents a statistical analysis of the oil spill detection in European coastal waters, as well as a methodological description on how to distinguish by means of multi-fractal analysis oil spills and biological ... -
Oil spill detection and prediction in the NW Mediterranean Sea: new multifractal methods for SAR analysis
Redondo Apraiz, José Manuel; Platónov, Alexéi Konstantínovich (2010)
Comunicació de congrés
Accés restringit per política de l'editorialThe oil pollution of Gulf of Lion in the NW Mediterranean has been studied with SAR images during the period 1999 -2005. We have analyzed these SAR images with respect to other surface features such as wind, river plumes, ... -
On the entrainment coefficient in a forced plume: quantitative effects of source parameter
Matulka, Anna Magdalena; Lopez Gonzalez-Nieto, Pilar; Redondo Apraiz, José Manuel; Tarquis Alfonso, Ana Maria (University of Thechnology and Agriculture Nicholas Copernicus University, 2014-02-24)
Article
Accés obertThe behavior of a forced plume is mainly controlled by the source buoyancy and momentum fluxes and the efficiency of turbulent mixing between the plume and the ambient fluid (stratified or not). The interaction between the ... -
Particle dispersion in two-dimensional turbulence: a comparison with 2-D kinematic simulation
Castilla López, Roberto; Redondo Apraiz, José Manuel; Gámez Montero, Pedro Javier; Babiano, Armando (University of Thechnology and Agriculture Nicholas Copernicus University, 2007-03)
Article
Accés obertWe study numerically the comparison between Lagrangian experiments on turbulent particle dispersion in 2-D turbulent flows performed, on the one hand, on the basis of direct numerical simulations (DNS) and, on the ... -
Percolation experiments in complex fractal media
Redondo Apraiz, José Manuel; Tarquis, Ana Maria; Cherubini, Claudia; Lopez Gonzalez-Nieto, Pilar; Vila, Teresa (2013)
Text en actes de congrés
Accés obert -
Rayleigh–Taylor mixing analysis and intermittency
Redondo Apraiz, José Manuel (2017)
Text en actes de congrés
Accés obert -
Relationship between intermittency and stratification
Vindel, Jose M.; Yagüe, Carlos; Redondo Apraiz, José Manuel (2009-04-09)
Article
Accés restringit per política de l'editorialA formal analogy exists between 2D turbulence and 3D turbulence with stratification and rotation. Although the effect of the rotation, to the scale typical of the turbulence, is negligible in the atmosphere, we have found ... -
Richmyer-Meshkov and Rayleigh-Taylor turbulent mixing fronts and instabilities
Redondo Apraiz, José Manuel; Garzón Bedoya, Germán; Rozanov, V.B.; Gushkov, S. (Universidad Complutense de Madrid (UCM), 2010)
Comunicació de congrés
Accés obertPlume and Jets are released in an enclosed volume of water and depending on the initial and environmental conditions, the global mixing efficiency of the overall process is measured. The behaviour of individual plumes is ... -
Richtmyer-meshkov and rayleigh-taylor fractal mixing
Redondo Apraiz, José Manuel; Tellez Alvarez, Jackson David; Vila, Teresa; Lopez Gonzalez-Nieto, Pilar; Sanchez, Jesus Maria (2016)
Text en actes de congrés
Accés obertTurbulence affects molecular mixing in a large variety of physical processes both in the environment, in astrophysics and in industrial situations. In some events it is interesting to enhance the transport of mass, heat, ... -
Richtmyer-meshkov and rayleigh-taylor fractal mixing
Redondo Apraiz, José Manuel; Vila Esteve, Maria Teresa; Tellez Alvarez, Jackson David; Lopez Gonzalez-Nieto, Pilar; Sánchez, Miguel Ángel (Institute of Thermomechanics, Academy of Sciences of the Czech Republic, 2016-02-10)
Article
Accés obertTurbulence affects molecular mixing in a large variety of physical processes both in the environment, in astrophysics and in industrial situations. In some events it is interesting to enhance the transport of mass, heat, ... -
ROFI structure in the gulf of Lions and the NW Mediterranean Sea: field and remote sensing observations of surface coherent structures
Fraunie, Philippe; Redondo Apraiz, José Manuel; Platónov, Alexéi Konstantínovich; Díez Rilova, Margarita; Matulka, Anna Magdalena (Universidad Complutense de Madrid (UCM), 2010)
Comunicació de congrés
Accés obertThe advances in radar sensors may be applied to study the flow in the region of fresh water influence (ROFI) region of the ocean. The Synthetic Aperture Radar (SAR) is a useful tool that may be used to study both marine ... -
SAR Analysis of the ocean surface : aplication to the NW mediterranean marine pollution and dynamic features
Redondo Apraiz, José Manuel; Platonov, A.; Grau Barceló, Joan (Tempus Publications, 2009)
Text en actes de congrés
Accés obertThe interaction between multiple scales in nature and mainly in turbulent flows produces fractals or multifractal structures. We use multi-fractal analysis to investigate the scales and influence of stratification in ... -
SAR measurements of coastal features in the NW Mediterranean
Redondo Apraiz, José Manuel; Martínez Benjamín, Juan José; Díez Rilova, Margarita; Lopez Gonzalez-Nieto, Pilar (2013)
Text en actes de congrés
Accés obert -
Sediment and plankton lift off recirculations in strong synthetic turbulence (KS)
Redondo Apraiz, José Manuel; Castilla López, Roberto; Sekula, Emil; Furmanek, Petr (2014)
Text en actes de congrés
Accés obertThe study of particle diffusion and of turbulent sedimentation is of great importance in many geophysical fields, such as in Environmental Science or Oceanography as well as in Bio-environmental and industrial processes. ... -
Simulation of turbulence mixing in the atmosphere boundary layer and analysis of fractal dimension
Tellez Alvarez, Jackson David; Koshelev, K; Strijhak, Sergei; Redondo Apraiz, José Manuel (2019-06)
Article
Accés obertIn the first part of this paper, a flow model for numerical simulation of turbulent parameters in atmospheric boundary layer (ABL), based on finite volume method and large-eddy simulation is introduced. This model consists ... -
Structure of 3D turbulent wall jets: acoustic doppler velocity measurements
Sekula, Emil; Redondo Apraiz, José Manuel (Atenea. Campus digital UPC, 2009)
Text en actes de congrés
Accés restringit per política de l'editorialThe main aim of this research is to understand and describe key aspects of the structure of turbulent jets and plumes and their interaction with coherent structures together with the effects connected with them (for example ... -
Surface Flow Image Velocimetry (SFIV) for hydraulics applications
Tellez Alvarez, Jackson David; Gómez Valentín, Manuel; Russo, Beniamino; Redondo Apraiz, José Manuel (2016)
Text en actes de congrés
Accés restringit per política de l'editorialSurface Flow Image Velocimetry (SFIV), is a practical extension of Particle Image Velocimetry (PIV), as one of the major effective techniques in hydraulics providing velocity and vorticity fields in fast flow laboratory ...