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Affichage de 1771 à 1780 sur 2097

Article dans une revue

Armouring solutions against high velocity impact using 2D laminates and 3D warp interlock composites

Benjamin Provost, François Boussu, Daniel Coutellier, Daniel Vallée, Fabien Rondot, Julien Nussbaum

Since the emergence of the first armoured vehicles on battlefields, armour shield was mainly centred on conventional metallic materials, widespread solutions nowadays. For a long time, weight reduction in armoured protection, which represents the largest part of the vehicle’s overall weight, has…

Journal of Industrial Textiles, 2013, ⟨10.1177/1528083713498914⟩. ⟨hal-03644392⟩

Article dans une revue

Plastic deformation of structural steels under hot-working conditions

Eli Saúl Puchi-Cabrera, Jean-Dominique Guerin, Damien Barbier, Mirentxu Dubar, Jacky Lesage

The present study has been conducted in order to formulate a rational description of the flow stress of structural steels, when these are deformed in tension under hot-working conditions. The simplified formulation that has been developed only involves the analysis of the positive work-hardening…

Materials Science and Engineering: A, 2013, 559, pp.268-275. ⟨10.1016/j.msea.2012.08.097⟩. ⟨hal-00742740⟩

Article dans une revue

Energetic optimization of the performances of a hot air engine for micro-CHP systems working with a Joule or an Ericsson cycle

Marie Creyx, Eric Delacourt, Céline Morin, Bernard Desmet, Philippe Peultier

The micro combined heat and electrical power systems (micro-CHP) with hot air engines are well adapted for solid biomass upgrading, in particular, the Ericsson engines working with an open cycle and an external combustion. This paper presents a model of an Ericsson engine with a compression and an…

Energy, 2013, 49 (1), pp. 229-239. ⟨10.1016/j.energy.2012.10.061⟩. ⟨hal-03531364⟩

Article dans une revue

Roughness signature of tribological contact calculated by a new method of peaks curvature radius estimation on fractal surfaces

Maxence Bigerelle, Jean-Marie Nianga, Denis Najjar, Alain Iost, Cédric Hubert, K. J. Kubiak

This paper proposes a new method of roughness peaks curvature radii calculation and its application to tribological contact analysis as characteristic signature of tribological contact. This method is introduced via the classical approach of the calculation of radius of asperity. In fact, the…

Tribology International, 2013, 65 (65), pp.235-247. ⟨10.1016/j.triboint.2013.03.017⟩. ⟨hal-01065878⟩

Article dans une revue

Introduction

Yacine Bellik, Christophe Kolski

Depuis quelques années, linformatique a commencé à envahir des espaces de plus en plus larges de notre environnement quotidien. Elle sest très vite répandue dans des objets qui en étaient quasiment dépourvus (lave-linge, appareils photos, téléphones, autoradios, etc.). La recherche porte aujourdhui…

Revue des Sciences et Technologies de l'Information - Série TSI : Technique et Science Informatiques, 2013, 32, pp.543-545. ⟨hal-01836653⟩

Article dans une revue

Variable neighborhood search for location routing

Bassem Jarboui, Houda Derbel, Said Hanafi, Nenad Mladenovic

In this paper we propose various neighborhood search heuristics (VNS) for solving the location routing problem with multiple capacitated depots and one uncapacitated vehicle per depot. The objective is to find depot locations and to design least cost routes for vehicles. We integrate a variable…

Computers and Operations Research, 2013, 40 (1), pp.47-57. ⟨10.1016/j.cor.2012.05.009⟩. ⟨hal-03594471⟩

Article dans une revue

Assessment of ship maneuverability by using a coupling between a nonlinear transient ship maneuvering model and mathematical programming techniques

T. Tran Khanh, Abdellatif Ouahsine, Hakim Naceur, Karima El Wassifi

In this paper, a numerical method based on a coupling between a mathematical model of nonlinear transient ship manoeuvring motion in the horizontal plane and Mathematical Programming (MP) techniques is proposed. The aim of the proposed procedure is an efficient estimation of optimal ship…

Journal of Hydrodynamics, 2013, 25 (5), pp.788-804. ⟨10.1016/S1001-6058(13)60426-6⟩. ⟨hal-03629803⟩

Article dans une revue

A three-dimensional study of electronic component cooling using a flat heat pipe

Hamdy Hassan, Souad Harmand

In this article, a three-dimensional thermal and hydrodynamic numerical model using a flat heat pipe (vapor chamber) is proposed for cooling of electronic components. The heat pipe is composed of a vapor region sandwiched between two wick regions, which are covered by two flat copper plates. A…

Heat Transfer Engineering, 2013, 34 (7), pp.596-607. ⟨10.1080/01457632.2013.730426⟩. ⟨hal-03531174⟩

Article dans une revue

A comprehensive blank development method for forming sheet metal parts

Jianjun Wu, Xin Wu, Liangcai Deng, Hakim Naceur

For some shortcomings in the use of standard radial length development in the blank development for forming sheet metal parts, an improved radial length normal spreading approach considering outside normal direction is developed to resolve blank development in sheet metal forming. Moreover, a…

International Journal of Advanced Manufacturing Technology, 2013, 13 (1), pp. 1-13. ⟨10.1007/s00170-013-5502-z⟩. ⟨hal-03520429⟩

Article dans une revue

Impatience and time pressure: subjective reactions of drivers in situations forcing them to stop their car in the road

Janick Naveteur, Stéphanie Coeugnet, Camilo Charron, Lisa Dorn, Françoise Anceaux

Transportation research has shown that impatience and time pressure are determining factors for traffic rule violation and risky behaviour. However, the situations provoking impatience have not yet been investigated in depth. One purpose of this study was to examine how different road stops might…

Transportation Research Part F: Traffic Psychology and Behaviour, 2013, 18, pp.58-71. ⟨10.1016/j.trf.2012.12.008⟩. ⟨hal-00943070⟩