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Affichage de 1681 à 1690 sur 1999

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

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

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

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

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

Liquid hydrocarbon fuels from fish oil industrial residues by catalytic cracking

Nadia Mrad, Maria Paraschiv, Fethi Aloui, Edwin Geo Varuvel, Mohand Tazerout, Sassi Ben Nasrallah

In the present work, catalytic cracking of fish oil industrial residue was investigated to study the effect of temperature, type of catalyst and the heating rate on the yield of organic liquid fraction (OLF) and its acid value. The highest bio-oil yield of 72% (wt.) was obtained at temperature…

International Journal of Energy Research, 2013, 37 (9), pp.1036-1043. ⟨10.1002/er.2906⟩. ⟨hal-00935904⟩

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

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⟩

Article dans une revue

Time pressure and driving: Work, emotions and risks

Stéphanie Coeugnet, Janick Naveteur, Pascal Antoine, Françoise Anceaux

Abstract Little is known about how time pressure affects driving behavior. The present questionnaire-based research addresses this gap in the literature. We used roadside assessment, out-of context self-assessment and hetero-assessment approaches. These approaches (1) identify situational factors…

Transportation Research Part F: Traffic Psychology and Behaviour, 2013, 20, pp.39-51. ⟨10.1016/j.trf.2013.05.002⟩. ⟨hal-00984483⟩

Article dans une revue

One-level reformulation of the bi-level Knapsack problem using dynamic programming

Luce Brotcorne, Said Hanafi, Raïd Mansi

In this paper, we consider the Bilevel Knapsack Problem (BKP), which is a hierarchical optimization problem in which the feasible set is determined by the set of optimal solutions for a parametric Knapsack Problem. We introduce a new reformulation of the BKP into a one-level integer programming…

Discrete Optimization, 2013, 10 (1), pp.1-10. ⟨10.1016/j.disopt.2012.09.001⟩. ⟨hal-00759250⟩