Enviaments recents

  • Turbulence behind 3D multi-scale sparse grids 

    Usama, Syed; Tellez Alvarez, Jackson David; Kopec, Jasek; Kwiatkowski, Kamil; Redondo Apraiz, José Manuel; Malik, Nadeem (Institute of Physics (IOP), 2018)
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    A fundamentally new idea in grid generated turbulence is the 3D Sparse Grid (3DS) concept [N. A. Malik. Sparse 3D Multi-Scale Grid Turbulence Generator. US Patent No. US 9,599,269 B2 (2017)] which reduces the effective ...
  • Optimal assignment of 4D close-loop instructions to enable CDOs in dense TMAs 

    Sáez García, Raúl; Dalmau Codina, Ramon; Prats Menéndez, Xavier (2018)
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    Continuous descent operations (CDOs) with re- quired times of arrival (RTAs) represent a potential solution to reduce the environmental impact in terminal maneuvering areas without degrading ...
  • Synchronization of traffic flow and sector opening for collaborative demand and capacity balancing 

    Xu, Yan; Prats Menéndez, Xavier; Delahaye, Daniel (2018)
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    —This paper proposes a method to synchronize traffic flow optimization and sector opening scheduling, with the aim of achieving flexible demand and capacity balancing (DCB). Delay assignment, trajectory options and ...
  • Monitoring and data analytics: Analyzing the optical spectrum for soft-failure detection and identification 

    Shariati, Mohammad Behnam; Vela, Alba P.; Ruíz Martín, María Dolores; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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    Failure detection is essential in optical networks as a result of the huge amount of traffic that optical connections support. Additionally, the cause of failure needs to be identified so failed resources can be excluded ...
  • Real-time spectrum surveillance in filterless optical networks 

    Shariati, Mohammad Behnam; Ruíz Martín, María Dolores; Sgambelluri, Andrea; Cugini, Filippo; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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    A monitoring system exploiting data analytics and cost-effective optical spectrum analyzers with under 1.2GHz resolution is proposed. Its performance is demonstrated in a filterless network experimental test-bed. The system ...
  • Management of Light Patterns Based on Local Hilbert Transform 

    Staliunas, Kestutis; Ahmed, W.; Botey Cumella, Muriel; Herrero Simon, Ramon; Hayran, Zeki; Kurt, H. (2018)
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    We propose a new approach of optical field management based on a local Hilbert transform, where the non-Hermitian potentials generating arbitrary vector fields of directionality p(\vec r), with desired shapes and topologies ...
  • Bayesian Inference in MANTID - An Update 

    Vidal, B.L.; Oram, E.; Banos, R.A.; Pardo Soto, Luis Carlos; Mukhopadhyay, Sajal; Fernandez Alonso, Felix (2018)
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    In the context of neutron science, Bayesian inference methods have been recently implemented within the MANTID framework [Monserrat D et al. 2015 J. Phys. Conf. Ser. 663 012009 (2015)]. In this contribution, we highlight ...
  • Synoptic patterns associated to Western Mediterranean basin coastal floods since 1960 

    Gil-Guirado, Salvador; Pérez-Morales, Alfredo; Peña, Juan Carlos; Mazón Bueso, Jordi; López-Martínez, Francisco; Pino González, David (2018)
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    The analysis of long time-series related to floods supports the identification of climatic/synoptic processes naturally governing the occurrence of flooding and thus improves the projection of these hydrologic ...
  • Megadroughts in Iberia. A case study of the event 1812-1824. Atmospheric processes and socio-environmental impacts 

    Barriendos Valve, Mariano; Alberola, Armando; Cuadrat, José María; Gil-Guirado, Salvador; Grau-Satorras, Mar; Mazón Bueso, Jordi; Pérez-Morales, Alfredo; Pometti, Kevin; Prohom Duran, Marc; Pino González, David; Saz, Miguel Angel; Tejedor, Ernesto (2018)
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  • Restaurantes con silencios a la carta: aportación a la investigación acústico-arquitectónica orientada a una mejora de la inteligibilidad: efectos derivados de un incremento de absorción en el techo: caso de estudio 

    Caballero Marcos, Isabel Amaya; Roset Calzada, Jaime; Franco González, Fidel; Zamora i Mestre, Joan-Lluís; Cantos Leyton, Ricardo; Acirón Arrabal, José Ángel (Sociedad Española de Acústica (SEA), 2018)
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    Reproduced a restaurant at one of E.T.S.A.B’s classrooms, we raised to mature the previous experiences though the incorporation of sound absorbent material in the ceilling that allowed us to reduce Rt values to 0.5 s without ...
  • Delay effects on the limit cycling behavior in an H-bridge resonant inverter with zero current switching control strategy 

    Benadero García-Morato, Luis; Torres Peral, Francisco; El Aroudi, Abdelali; Olalla Martinez, Carlos; Ponce Núñez, Enrique; Martínez Salamero, Luis (2018)
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    In this paper, bifurcations of limit cycles in a H-bridge LC resonant inverter under a zero current switching control strategy with delay in the switching action are analyzed. Mathematical analysis and numerical simulations ...
  • On the effects of free-stream turbulence intensity in the fluid flow and heat transfer from a sphere at subcritical Reynolds numbers 

    Rodríguez Pérez, Ivette María; Lehmkuhl, Oriol; Soria Guerrero, Manel; Gomez, Samuel; Domínguez Pumar, Manuel; Kowalski, Lukasz (2018)
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    In this work, the effect of the free-stream turbu-lence on the heat transfer and the near wake behind a sphere is studied at moderate Reynolds numbers of ¿¿ ¿ ¿¿¿¿ and ¿¿ ¿ ¿¿¿. Turbulence delays the sep-aration of the ...

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