El Espacio de Libertad, Seguridad y Justicia y la próxima Presidencia Española de 2010. Parte 2ª: el Programa de Estocolmo –más derechos, más seguridad, más Europa en el mundo–

El Programa de Estocolmo fue aprobado por el Consejo Europeo de los días 10 y 11 de diciembre. El Consejo Europeo de los días 10 y 11 de diciembre aprobó el Programa de Estocolmo: una nueva definición de las prioridades comunitarias en materia de seguridad y justicia para los próximos cinco años. ¿Cuál será el papel de la Presidencia española una vez aprobado dicho Programa? La Presidencia española deberá aprovechar todas las oportunidades que se le presenten para conseguir una eficaz aplicación del nuevo Tratado y lanzar propuestas legislativas de gran calado, pues la consolidación del Espacio de Libertad, Seguridad y Justicia es un requisito imprescindible para una verdadera ciudadanía europea

El Espacio de Libertad, Seguridad y Justicia y la próxima Presidencia española de 2010. Parte 1ª: la implementación del Tratado de Lisboa y el Programa de Estocolmo

Una vez superado el tortuoso camino hacia la entrada en vigor del Tratado de Lisboa, comienza una nueva etapa para la UE y en especial para el Espacio de Libertad, Seguridad y Justicia. Con la entrada en vigor del Tratado de Lisboa, el Trío de Presidencias (España, Bélgica y Hungría), y especialmente la Presidencia española, se encuentra ante la gran responsabilidad de poner en marcha las innovaciones institucionales que este último incorpora y se abren, así, una serie de oportunidades para avanzar en el Espacio de Libertad, Seguridad y Justicia. Junto con el Tratado, uno de los grandes acontecimientos que marcarán el desarrollo de estos temas durante los próximos años será el Programa de Estocolmo

On the optimaL response of q-vortex

Wingtip vortices represent a hazard for the stability of the following airplane in airport highways. These flows have been usually modeled as swirling jets/wakes, which are known to be highly unstable and susceptible to breakdown at high Reynolds numbers for certain flow conditions, but different to the ones present in real flying airplanes. A very recent study based on Direct Numerical Simulations (DNS) shows that a large variety of helical responses can be excited and amplified when a harmonic inlet forcing is imposed. In this work, the optimal response of q-vortex (both axial vorticity and axial velocity can be modeled by a Gaussian profile) is studied by considering the time-harmonically forced problem with a certain frequency ω. We first reproduce Guo and Sun’s results for the Lamb-Oseen vortex (no axial flow) to validate our numerical code. In the axisymmetric case m = 0, the system response is the largest when the input frequency is null. The axial flow has a weak influence in the response for any axial velocity intensity. We also consider helical perturbations |m| = 1. These perturbations are excited through a resonance mechanism at moderate and large wavelengths as it is shown in Figure 1. In addition, Figure 2 shows that the frequency at which the optimal gain is obtained is not a continuous function of the axial wavenumber k. At smaller wavelengths, large response is excited by steady forcing. Regarding the axial flow, the unstable response is the largest when the axial velocity intensity, 1/q, is near to zero. For perturbations with higher azimuthal wavenumbers |m| > 1, the magnitudes of the response are smaller than those for helical modes. In order to establish an alternative validation, DNS has been carried out by using a pseudospectral Fourier formulation finding a very good agreement.Universidad de Málaga. Campus de Excelencia Internacional Andalucía Tech

O selo dun poeta. Beleza para sempre

Conferencias pronunciadas no Salón Nobre de Fonseca da Universidade de Santiago de Compostela o xoves 15 de maio de 2014 co gallo do Día das Letras Galega

On the effect of low blowing ratio continuous jets on wingtip vortex characteristics

Vortices are an unavoidable effect of flight, which appear behind the wing with a bounded length. The strength of these vortices, which are extremely stable, is due to the lift force [1]. That is the reason why this phenomenon is especially relevant during take-off and landing operations. In these situations, when aircraft are departing from or arriving to the airport runways, the following aircraft might feel two counter-rotating vortices which remain long time under normal environmental conditions. Unfortunately, this huge rotation of airflow patterns always destabilizes the following aircraft. Consequently, trailing vortices have a mighty influence on the air traffic control of airport runways, and they have justified the research interest in this topic since the 1960's [2]. However, aeronautical engineers are still searching for different technological strategies to breakdown these wingtip vortices.Short-Term Postdoctoral Stay of Talent Attraction Plan of Andalucía TECH ICE. Universidad de Málaga. Campus de Excelencia Internacional Andalucía Tec

Numerical Investigation on the Effect of Active Injection Location on the Frequency Response of a Batchelor Vortex.

This study investigates the effect of the variation of the active control application distance on the frequency response of a Batchelor vortex. The theoretical base flow pertains to the experimental configuration of a wing model with a NACA0012 airfoil at an angle of attack of α=9◦ and a chordbased Reynolds number of Rec=40000. The injection was implemented using punctual and annular jet configurations. The findings of this research will serve as a basis for the optimization of the experimental parameters that characterize potential candidates for active control.Universidad de Málaga. Campus de Excelencia Internacional Andalucía Tech

Frequency response of Batchelor vortex.

We carried out a frequency response analysis of Batchelor vortex model in two different spatial configurations: punctual and annular jet. The theoretical base flow corresponds to the experimental setting of a wing model with airfoil NACA0012 for a chord-based Reynolds number Rec=40000 and angle of attack of α=9◦. We found that Batchelor model presents a gain in the annular jet configuration higher than the punctual jet for a pair of parameters k and ωf . The results of this research work will be used to propose future candidates of active control.Universidad de Málaga. Campus de Excelencia Internacional Andalucía Tech. Ministerio de Ciencia e Innvocación, Proyecto Nacional PID2021-124692OA-I0

Nanostructured Chitosan-Based Biomaterials for Sustained and Colon-Specific Resveratrol Release

In the present work, we demonstrate the preparation of chitosan-based composites as vehicles of the natural occurring multi-drug resveratrol (RES). Such systems are endowed with potential therapeutic effects on inflammatory bowel diseases (IBD), such as Crohn’s disease (CD) and ulcerative colitis, through the sustained colonic release of RES from long-lasting mucoadhesive drug depots. The loading of RES into nanoparticles (NPs) was optimized regarding two independent variables: RES/polymer ratio, and temperature. Twenty experiments were carried out and a Box–Behnken experimental design was used to evaluate the significance of these independent variables related to encapsulation efficiency (EE). The enhanced RES EE values were achieved in 24 h at 39 °C and at RES/polymer ratio of 0.75:1 w/w. Sizes and polydispersities of the optimized NPs were studied by dynamic light scattering (DLS). Chitosan (CTS) dispersions containing the RES-loaded NPs were ionically gelled with tricarballylic acid to yield CTS-NPs composites. Macro- and microscopic features (morphology and porosity studied by SEM and spreadability), thermal stability (studied by TGA), and release kinetics of the RES-loaded CTS-NPs were investigated. Release patterns in simulated colon conditions for 48 h displayed significant differences between the NPs (final cumulative drug release: 79–81%), and the CTS-NPs composites (29–34%)

Desarrollo y validación del Cuestionario Ocupacional de Resistencia

One of the most traditional approaches to the positive study of personality has been the research on Hardiness or Hardy Personality. However, studies about this construct have systematically suffered from a lack of suffi cient psychometric guarantees of the measures. Method: This paper presents the Occupational Hardiness Questionnaire (OHQ), the result of a research line on the subject and its measurement with a total sample of 1,647 participants. Results: Four studies show the results of exploratory factor analysis (EFA), confi rmatory factor analysis (CFA), consistency, temporal reliability and construct validity. Conclusions: Results indicate that the OHQ has satisfactory psychometric characteristics and can be used in the study of Occupational Health and in the area of Positive PersonalityUno de los enfoques más clásicos en el estudio positivo de la personalidad ha sido la investigación acerca de Hardiness o Personalidad Resistente. Sin embargo, los estudios con el constructo han adolecido sistemáticamente de falta de medidas con sufi cientes garantías psicométricas. Método: en este trabajo se presenta el Cuestionario de Resistencia Laboral (CRL), resultado de una línea de investigación sobre el tema y su medida con una muestra total de 1.647 participantes. Resultados: se presentan los resultados en cuatro estudios en los que se indican los resultados del análisis factorial exploratorio (AFE), análisis factorial confi rmatorio (AFC), consistencia, fiabilidad temporal y validez de constructo. Conclusiones: los resultados encontrados indican que el CRL tiene características psicométricas satisfactorias y que puede utilizarse tanto en el estudio de la salud laboral como en el enfoque de la personalidad positiv