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    Listar por autor "Fernández-Feria, Ramón"

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      • Aerodynamic vortex interaction with a flapping Foil and between multiple flapping foils, And its application to the design of aerial and aquatic small vehicles 

        Alaminos Quesada, Javier (UMA Editorial, 2021-05-05)
        Se ha analizado la interacción aerodinámica de un vórtice bidimensional con una placa plana a diferentes ángulos de ataque α usando la teoría de flujo potencial, basada en un mapeado conforme variando la distancia de ...
      • Analytical results for the propulsion performance of a flexible foil with prescribed pitching and heaving motions and passive small deflection 

        Fernández-Feria, RamónAutoridad Universidad de Málaga; Alaminos Quesada, Javier (Cambridge, 2021-01-28)
        The propulsive performance of a flexible foil with prescribed pitching and heaving motions about any pivot point location and passive chordwise flexural deflection is analysed within the framework of the linear potential ...
      • Contribution to the study of nonstationary aerodynamic forces in problems of interest for Micro-Air Vehicles 

        Martín-Alcántara, Antonio (UMA Editorial, 2016)
        The main aim of this dissertation is the quantitative characterization of the contributions of individual fluid elements (vortices) to aerodynamic forces, explaining and quantifying the mechanisms by which both drag and ...
      • Estudio sobre la estructura y estabilidad de la interacción de un torbellino libre sobre una superficie sólida 

        Parras-Anguita, LuisAutoridad Universidad de Málaga (Universidad de Málaga, Servicio de Publicaciones, 2006)
      • Estudio teórico y experimental de la estabilidad y rotura de vórtices en conductos 

        Del-Pino-Peñas, Carlos ManuelAutoridad Universidad de Málaga (Universidad de Málaga, Servicio de Publicaciones, 2004)
        Esta tesis constituye una contribución al estudio de los flujos con giro. Este estudio se realiza desde un punto de vista teórico, mediante la simulación numérica y el análisis de estabilidad espacial y, desde un punto ...
      • Flutter stability analysis of an elastically supported flexible foil. Application to the energy harvesting of a fully-passive flexible flapping-foil of small amplitude 

        Fernández-Feria, RamónAutoridad Universidad de Málaga (Elsevier, 2022-02)
        The aerodynamic forces on an oscillating flexible foil are used to study the flutter instability when the flexible foil is elastically mounted to translational and torsional springs and dampers at an arbitrary pivot axis. ...
      • Linearized potential theory of flapping foils in tandem configuration 

        Alaminos-Quesada, Javier; Fernández-Feria, RamónAutoridad Universidad de Málaga (2018-11-26)
        A vortical impulse theory is used to compute the lift, thrust and moment of two-dimensional flapping foils in tandem configuration within the framework of unsteady linear potential theory. First, general expressions are ...
      • Numerical and experimental study of the hydrodynamic efficiency of a tidal energy extraction system and its effect on the re-suspension of sea bed sediments 

        Cebrian-Robles, DanielAutoridad Universidad de Málaga (Universidad de Málaga, Servicio de Publicaciones y Divulgación Científica, 2014)
        Este trabajo pretende contribuir a las investigaciones que se están realizando actualmente sobre energías renovables marinas y su obtención a partir de las corrientes de las mareas. En este contexto, una empresa Noruega ...
      • Numerical validation of simple non-stationary models for self-propelled pitching foils 

        Fernández-Feria, RamónAutoridad Universidad de Málaga; Sanmiguel-Rojas, EnriqueAutoridad Universidad de Málaga; Esteban López-Tello, Pablo (Elsevier, 2022-09-15)
        High-resolution numerical simulations of the self propelled locomotion of two-dimensional pitching foils are used to assess simplified models based on linear potential theory for the fluid-foil interaction. These models are ...
      • On the feasibility of a flexible foil with passive heave to extract energy from low wind speeds 

        Fernández-Feria, RamónAutoridad Universidad de Málaga; Sanmiguel-Rojas, EnriqueAutoridad Universidad de Málaga (Elsevier, 2022-10)
        We explore numerically and theoretically the capability of flexible foils elastically mounted to translational springs and dampers at the leading edge to extract energy from low-speed winds through its passive heave ...
      • Propulsion and energy harvesting performances of a flexible thin airfoil undergoing forced heaving motion with passive pitching and deformation of small amplitude 

        Fernández-Feria, RamónAutoridad Universidad de Málaga; Alaminos Quesada, Javier (Elsevier, 2021)
      • Propulsion enhancement of flexible plunging foils: Comparing linear theory predictions with high-fidelity CFD results 

        Sanmiguel-Rojas, EnriqueAutoridad Universidad de Málaga; Fernández-Feria, RamónAutoridad Universidad de Málaga (ELSEVIER, 2021-09-01)
        The fluid–structure interaction of a flexible plunging hydrofoil immersed in a current is solved numerically to analyze its propulsion enhancement due to flexibility at Reynolds number 10 000. After validating with ...
      • Simplified Model for Forward-Flight Transitions of a Bio-Inspired Unmanned Aerial Vehicle 

        Sánchez-Laulhe Cazorla, Ernesto; Fernández-Feria, RamónAutoridad Universidad de Málaga; Ollero, Anibal (IOAP-MPDI, 2022-10-18)
        A new forward-flight model for bird-like ornithopters is presented. The flight dynamics model uses results from potential, unsteady aerodynamics to characterize the forces generated by the flapping wings, including the ...
      • Simplified Model for Forward-Flight Transitions of a Bio-Inspired Unmanned Aerial Vehicle 

        Sánchez-Laulhe Cazorla, Ernesto; Fernández-Feria, RamónAutoridad Universidad de Málaga; Ollero, Anibal (2022-10-18)
        A new forward-flight model for bird-like ornithopters is presented. The flight dynamics model uses results from potential, unsteady aerodynamics to characterize the forces generated by the flapping wings, including the ...
      • Unsteady propulsion of a two-dimensional flapping thin airfoil in a periodic stream 

        Sánchez-Laulhe Cazorla, Ernesto; Fernández-Feria, RamónAutoridad Universidad de Málaga; Ollero, Anibal (2022)
        The cruising velocity of animals, or robotic vehicles, that use flapping wings or fins to propel themselves is not constant, but oscillates around a mean value with an amplitude usually much smaller than the mean, and a ...
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
         

         

        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA