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

Now showing items 211-217 of 270

    • Contribution to the MHD modeling in low speed radial flux AC machines with air-gaps filled with conductive fluids 
      Article dans une revue avec comité de lecture
      MENANA, Hocine; CHARPENTIER, Jean-Frederic; ccGABILLET, Céline (Institute of Electrical and Electronics Engineers, 2014)
      This work deals with the modeling of the magnetohydrodynamic (MHD) phenomena in the air-gaps of low speed radial flux AC electrical machines filled with incompressible and electrically conductive fluids. The proposed model ...
    • Experimental study of bubble-drag interaction in a Taylor-Couette flow 
      Communication avec acte
      FOKOUA, Georges; COLIN, Catherine; ccGABILLET, Céline (2013)
      This study is an experimental investigation of the interactions between the bubbles, the coherent motion and the viscous drag in a Taylor Couette flow, for the outer cylinder at rest. The cylinder radius ratio  is 0.9. ...
    • Mitigation of underwater explosion effects by bubble curtains : experiments and modelling 
      Communication avec acte
      CROCI, Kilian; ARRIGONI, Michel; BOYCE, P; GRANDJEAN, Hervé; JACQUES, Nicolas; KERAMPRAN, Steven; ccGABILLET, Céline (2014)
      Mine fields and UneXploded Ordnances (UXO) become a danger regarding maritime activities. Since UXOs are strongly affected by marine corrosion after decades, they cannot be handled safely. A safe solution to get rid of ...
    • Fluid Structure Interaction of Yacht Sails in the Unsteady Regime 
      Chapitre d'ouvrage scientifique
      AUGIER, Benoit; DURAND, Mathieu; ccBOT, Patrick; ccHAUVILLE, Frederic (Editions de l'Ecole Polytechnique, 2013)
      The dynamic Fluid Structure Interaction (FSI) of yacht sails submitted to a harmonic pitching motion is numerically investigated to address both issues of aerodynamic unsteadiness and structural deformation. The model ...
    • A semantic and language-based representation of an environmental scene 
      Article dans une revue avec comité de lecture
      LE YAOUANC, Jean-Marie; ccCLARAMUNT, Christophe; ccSAUX, Eric (Springer Verlag, 2010)
      The modeling of a landscape environment is a cognitive activity that requires appropriate spatial representations. The research presented in this paper introduces a structural and semantic categorization of a landscape ...
    • Speech enhancement using empirical mode decomposition and the Teager–Kaiser energy operator 
      Article dans une revue avec comité de lecture
      KHALDI, Kais; KOMATY, Ali; ccBOUDRAA, Abdel-Ouahab (Acoustical Society of America, 2014)
      In this paper a speech denoising strategy based on time adaptive thresholding of intrinsic modes functions (IMFs) of the signal, extracted by empirical mode decomposition (EMD), is introduced. The denoised signal is ...
    • Image source detection for geoacoustic inversion by Teager-Kaiser energy operator 
      Article dans une revue avec comité de lecture
      GUILLON, Laurent; ccBOUDRAA, Abdel-Ouahab (Acoustical Society of America, 2014)
      This letter presents an improvement of the image source method (ISM) for geoacoustic inversion. The new algorithm is based on the Teager-Kaiser Energy Operator which ampli es the discontinuities in signals while the soft ...