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Institut de Recherche de l’École navale (IRENAV)
L’Institut de Recherche de l’École navale (IRENav) est un centre de recherche pluri-disciplinaire orienté vers le domaine maritime et son développement durable. Il est le support essentiel de la formation scientifique au sein de l’Ecole Navale. L’IRENav est membre du groupement d’intérêt scientifique "Europôle Mer", groupement de recherche d’excellence. Il est reconnu comme Equipe d’Accueil (EA3634) par l’Agence d’évaluation de la recherche et de l’enseignement supérieur ("AERES") dans le cadre de la contractualisation des laboratoires de l’Ecole Nationale Supérieure d’Arts et Métiers (ENSAM). Le thème général de l’institut est celui de l’environnement naval, et plus particulièrement la problématique du développement durable en milieu maritime.
Voir le site du laboratoire http://www.ecole-navale.fr/-RECHERCHE-.html
Recent Submissions
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(Elsevier, 2017)This work presents an experimental investigation of a hydrofoil in reversed flow configuration in the context of marine current turbine development. Experiments consist in hydrodynamic force measurements and PIV flow ... -
(Organisation Mondiale de la Propriété Intellectuelle, 2017)L’invention concerne un dispositif détecteur d’une vitesse seuil de déplacement d’un fluide, le dispositif détecteur comprenant un transducteur et configuré pour exercer une première force non nulle dans une première ...
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(SNAME, 2017)An experiment was performed in the Yacht Research Unit’s Twisted Flow Wind Tunnel (University of Auckland) to test the effect of dynamic trimming on three IMOCA 60 inspired mainsail models in an upwind ( AW = 60°) unheeled ...
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(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 ...
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(SNAME, 2017)While sailing offwind, the trimmer typically adjusts the downwind sail “on the verge of luffing”, occasionally letting the luff of the sail flap. Due to the unsteadiness of the spinnaker itself, maintaining the luff on the ...
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(Elsevier, 2016)This paper introduces a spatial database and ontology-enabled framework that models and operationalizes the relation between urban forms and their responsiveness to the needs of its user. The objective is to offer a framework ...
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(Elsevier, 2017-04)The problem of the impact between a rigid body and a gas-liquid mixture is relevant to various engineering applications, including the design of breakwaters and LNG containers. In the present study, the specific problem ...
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(Medknow Publications, 2017-03)Traditional Ecological Knowledge (TEK) has been at the centre of mapping efforts for decades. Indigenous knowledge (IK) is a critical subset of TEK, and Indigenous peoples utilize a wide variety of techniques for keeping ...
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(SPRINGER, 2016)Currently, second generation intact stability criteria are being developed and evaluated by the International Maritime Organization (IMO). In this paper, we briefly present levels 1 and 2 assessment methods for the criteria ...
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(American Physical Society, 2016)Bluff bodies moving in a fluid experience a drag force which usually increases with velocity. However in a particular velocity range a drag crisis is observed, i.e., a sharp and strong decrease of the drag force. This ...
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(IEEE, 2016)This paper aims to evaluate some configurations of windings for low speed high power 5-phase permanent magnet synchronous generators (PMSG) associated to fixed pitch tidal turbines. Several Fractional-Slot Concentrated- ...
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(Acoustical Society of America, 2016)In the context of sediment characterization, layer interface roughnesses may be responsible for sound-speed profile measurement uncertainties. To study the roughness influence, a three-dimensional (3D) modeling of a layered ...
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(2016)To investigate the effect of intermediate sized bubble injection into a turbulent boundary layer under a strong gravity effect, we measure the velocity field of two-phase flow in a horizontal cavitation tunnel with 2D ...
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(The Visualization Society of Japan, 2016)We develop a novel method to study the gas phase features in a bubbly Taylor–Couette flow when bubbles are arranged as elevated toroidal strings. The flow is recorded in the front view plane with a highspeed camera for a ...
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(ELSEVIER, 2016)Bubble sweep-down is a significant issue for the oceanographic vessels, which affect the acoustic sur- veys. Experimental trials, carried out in the Ifremerwave and current circulating tank on a 1/30 model of the Pourquoi ...
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(ELSEVIER, 2016)In this second part, images acquired from the specific trials developed in order to study the phenomenon of bubble sweep-down are analysed. A post-processing method has been developed to analyse the two air entrainment ...
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(Elsevier, 2016)Yacht downwind sails are complex to study due to their non-developable shape with high camber and massively detached flow around thin and flexible membranes. Numerical simulations can now simulate this strong fluid-structure ...
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(Springer, 2016)The purpose of the present study is to get a better understanding of the hydrodynamic instabilities of sheet cavities which develop along solid walls. The main objective is to highlight the spatial and temporal behavior ...
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(Elsevier, 2016-06)This work presents a full-scale experimental study of a yacht rig and sails in real upwind sailing conditions and a comparison with Fluid Structure Interaction (FSI) simulations with the ARAVANTI model (Finite Element ...
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(IEEE, 2016)Abstract—In this paper, the study of the torque and power versus speed characteristics for a family of five-phase Surface-mounted Permanent Magnet (SPM) machine is carried out. With considering hypotheses (linear magnetic ...