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Affichage de 1561 à 1570 sur 1999

Article dans une revue

Effects of synchronous versus asynchronous mode of propulsion on wheelchair basketball sprinting.

Arnaud Faupin, Benoît Borel, Christophe Meyer, Philippe Gorce, Eric Watelain

This study aimed to first investigate synchronous (SYN) versus asynchronous (ASY) mode of propulsion and, second, investigate the wheel camber effects on sprinting performance as well as temporal parameters. Seven wheelchair basketball players performed four maximal eight-second sprints on a...

Disability and Rehabilitation: Assistive Technology, 2013, 8 (6), pp.496-501. ⟨10.3109/17483107.2012.756947⟩. ⟨hal-01145760⟩

Article dans une revue

Turbulent impinging jet flow into an unshrouded rotor-stator system: Hydrodynamics and heat transfer

Sébastien Poncet, Thien Duy Nguyen, Souad Harmand, Julien Pellé, Riccardo da Soghe, Cosimo Bianchini, Stéphane Viazzo

New calculations using an innovative Reynolds Stress Model are compared to velocity measurements performed by Particle Image Velocimetry technique and the predictions of a k-w SST model in the case of an impinging jet flow onto a rotating disk in a discoidal and unshrouded rotor-stator system. The...

International Journal of Heat and Fluid Flow, 2013, 44, pp.719-734. ⟨10.1016/j.ijheatfluidflow.2013.10.001⟩. ⟨hal-00976669⟩

Article dans une revue

Fouling detection in a heat exchanger: A polynomial fuzzy observer approach

François Delmotte, Michel Dambrine, Sabrina Delrot, Sylvain Lalot

The paper presents new results on state estimation of nonlinear systems based on a fuzzy polynomial Takagi–Sugeno representation. Using sum of squares tools and some matrix properties, conditions to compute the gains of the observers can be obtained easily. Then, the results are applied on the...

Control Engineering Practice, 2013, 21 (10), pp.1386-1395. ⟨10.1016/j.conengprac.2013.06.004⟩. ⟨hal-03468414⟩

Article dans une revue

Experimental study of two-phase flow pattern evolution in a horizontal circular tube of small diameter in laminar flow conditions

S. Zeguai, Soufien Chikh, L. Tadrist

The carried out experimental study aims at analyzing air-water two-phase flow patterns in a horizontal tube for laminar flow with carefully controlled conditions. An experimental test rig has been setup to produce a two-phase flow in a glass tube of 3 mm inner diameter with co-current air and water...

International Journal of Multiphase Flow, 2013, 55, pp.99-110. ⟨10.1016/j.ijmultiphaseflow.2013.04.008⟩. ⟨hal-01459472⟩

Article dans une revue

Wall shear stress characterization of a 3D bluff-body separated flow

Grégoire Fourrié, Laurent Keirsbulck, Larbi Labraga

Efficient flow control strategies aimed at reducing the aerodynamic drag of road vehicles require a detailed knowledge of the reference flow. In this work, the flow around the rear slanted window of a generic car model was experimentally studied through wall shear stress measurements using an...

Journal of Fluids and Structures, 2013, 42, pp.55-69. ⟨10.1016/j.jfluidstructs.2013.05.014⟩. ⟨hal-03615070⟩

Article dans une revue

A fast multicriteria decision-making tool for industrial scheduling problems

David Duvivier, Nadine Meskens, Mario Ahues

In today's challenging industrial contexts, decision makers need versatile tools to quickly acquire, synthesize, simulate and optimize several solutions that can be compared from multiple points of view and according to various performance criteria. In the context of limited-time multicriteria...

International Journal of Production Economics, 2013, 145 (2), pp.753-760. ⟨10.1016/j.ijpe.2013.05.028⟩. ⟨hal-00880935⟩

Article dans une revue

Motor-related cortical activity after cervical spinal cord injury: Multifaceted EEG analysis of isometric elbow flexion contractions

Sylvain Cremoux, Jessica Tallet, Eric Berton, Fabien Dal Maso, David Amarantini

Electroencephalographic (EEG) studies have well established that motor cortex (M1) activity similar to 20 Hz decreases during muscular contraction and increases as soon as contraction stops, which are known as event-related desynchronization (ERD) and event-related synchronization (ERS),...

Brain Research, 2013, 1533, pp.44-51. ⟨10.1016/j.brainres.2013.08.008⟩. ⟨hal-01454755⟩

Article dans une revue

Assessment of ship manoeuvrability by using a coupling between a nonlinear transient manoeuvring model and mathematical programming techniques

Toan 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-03625169⟩

Article dans une revue

Concomitant changes in clinical and posturographic data in elderly fallers during the course of an in-home anti-falling multimodal program – A preliminary investigation

P. Carette, G. Kemoun, Eric Watelain, B. Dugué

SummaryAim of the study The objective of this preliminary study was to evaluate the effectiveness, in terms of fall reduction, of an in-home strategy that we have developed for elderly fallers. We also aimed at finding links between the expected changes in the data obtained in static posturography...

Neurophysiologie Clinique = Clinical Neurophysiology, 2013, 43 (4), pp.229--236. ⟨10.1016/j.neucli.2013.06.003⟩. ⟨hal-01342023⟩

Article dans une revue

3D numerical design of tunnel hood

David Uystepruyst, Mame J.-P. William-Louis, François Monnoyer de Galland

This paper relates to the parametric study of tunnel hoods in order to reduce the shape, i.e. the temporal gradient, of the pressure wave generated by the entry of a High speed train in tunnel. This is achieved by using an in-house three-dimensional numerical solver which solves the Eulerian...

Tunnelling and Underground Space Technology, 2013, 38, pp.517-525. ⟨10.1016/j.tust.2013.08.008⟩. ⟨hal-00872205⟩