Institut de Recherche de l’École navale (IRENAV): Recent submissions

Now showing items 50-56 of 271

    • On Integrating Size and Shape Distributions into a Spatio-Temporal Information Entropy Framework 
      Article dans une revue avec comité de lecture
      LEIBOVICI, Didier; ccCLARAMUNT, Christophe (MDPI, 2019)
      Understanding the structuration of spatio-temporal information is a common endeavour to many disciplines and application domains, e.g., geography, ecology, urban planning, epidemiology. Revealing the processes involved, ...
    • Force Variations Related to Flow Pattern Changes Around a High-Camber Thin Wing 
      Article dans une revue avec comité de lecture
      ccBOT, Patrick (American Institute of Aeronautics and Astronautics, 2019)
      The aim of this paper is to report and analyze experimental results on forces generated by a high-camber thin section with a sharp leading edge, namely a curved plate with 22.3% relative camber, and measurements of the ...
    • Experimental validation of unsteady models for wind / sails / rigging fluid structure interaction 
      Communication avec acte
      AUGIER, Benoit; ccBOT, Patrick; ccHAUVILLE, Frederic; DURAND, Mathieu (Royal Institution of Naval Architects, 2010)
      The aim of this paper is to present the work of experimental validation elements of the aero elastic and unsteady model ARAVANTI. Numerical and Experimental results comparison is made on the rigging and sails of a J80 sail ...
    • To curl or not to curl : wind tunnel investigation of spinnaker performance 
      Communication avec acte
      AUBIN, Nicolas; AUGIER, Benoit; DEPARDAY, Julien; SACHER, Matthieu (Ecole Navale, 2017)
      This work presents a wind tunnel experimental study of the effect of curling on the spinnaker aerodynamic performance. Four spinnakers combining two different panellings and sail materials are tested at different wind ...
    • Wind-tunnel pressure measurements on model-scale rigid downwind sails 
      Communication avec acte
      ccBOT, Patrick; VIOLA, Ignazio Maria; FLAY, Richard G.J.; BRETT, Jean-Sébastien (Ecole Navale, 2013)
      This paper describes an experiment that was carried out in the Twisted Flow Wind Tunnel at The University of Auckland to measure a detailed set of pressure distributions on a rigid 1/15th scale model of a modern asymmetric ...
    • Experimental and numerical trimming optimizations for a mainsail in upwind conditions 
      Communication avec acte
      SACHER, Matthieu; ccHAUVILLE, Frederic; DUVIGNEAU, Régis; LE MAITRE, Olivier; AUBIN, Nicolas; DURAND, Mathieu (2016)
      This paper investigates the use of meta-models for optimizing sails trimming. A Gaussian process is used to robustly approximate the dependence of the performance with the trimming parameters to be optimized. The Gaussian ...
    • Modal Analysis of Pressures on a Full-Scale Spinnaker 
      Communication avec acte
      DEPARDAY, Julien; AUGIER, Benoit; RABAUD, Marc; MOTTA, Dario; LE PELLEY, David; ccBOT, Patrick; ccHAUVILLE, Frederic (2016)
      While sailing offwind, the trimmer typically adjusts the downwind sail "on the verge of luffing", letting occasionally the luff of the sail flapping. Due to the unsteadiness of the spinnaker itself, maintaining the luff ...