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Affichage de 1701 à 1710 sur 2006

  • Article dans une revue

Inducing Swirling Flow in Heat Exchanger Pipes for Reduced Fouling Rate

Halldor Pálsson, François Beaubert, Sylvain Lalot

Fouling buildup in circular heat exchanger pipes is a common problem in the industry. Various methods have been proposed to increase the shear stress of the fluid near the pipe wall. This is known to reduce fouling rate, as well as increasing the heat transfer rate of heat exchangers. In this…

Heat Transfer Engineering, 2013, 34 (8-9), pp.761-768. ⟨10.1080/01457632.2012.741503⟩. ⟨hal-03516939⟩

  • Article dans une revue

Thermal Optimization of a High Power Salient-Pole Alternator

Augusto Bornschlegell, Julien Pellé, Souad Harmand, Aurélie Fasquelle, Jean-Pierre Corriou

An optimization of the thermal behavior of a high-power salient-pole electrical machine is presented. Temperatures are calculated with the lumped method, which provides the thermal trends with relatively low computational cost. This model is used to define an aggregated objective function of our…

IEEE Transactions on Industrial Electronics, 2013, 60 (5), pp.1734-1746. ⟨10.1109/TIE.2012.2190957⟩. ⟨hal-03524509⟩

  • Article dans une revue

Interaction Between Tangible and Virtual Agents on Interactive Tables: Principles and Case Study

Yoann Lebrun, Emmanuel Adam, René Mandiau, Christophe Kolski

Interactive tables (tactile, tangible and mixed tables) are mainly used as support of interaction to design applications and value-added services. Indeed, new collaborative applications emerged from theses new supports using classical interaction (through keyboard, mouse…

Procedia Computer Science, 2013, The 4th International Conference on Ambient Systems, Networks and Technologies (ANT 2013), the 3rd International Conference on Sustainable Energy Information Technology (SEIT-2013), 19, pp.32-39. ⟨10.1016/j.procs.2013.06.010⟩. ⟨hal-03623155⟩

  • Article dans une revue

Dynamics of railway track subjected to distributed and local out-of-round wheels

Rasul Fesharakifard, Antoine Dequidt, Thierry Tison, Olivier Coste

The dynamic response of a railway track under a moving train in the presence of a defective wheel is studied. The goal of this study is to establish an efficient dynamic model for wheel tread defect analysis. The wheel irregularities which influence the track vibration characteristics are…

Mechanics & Industry, 2013, 14 (5), pp.347-359. ⟨10.1051/meca/2013074⟩. ⟨hal-03405466⟩

  • Article dans une revue

Optimization of preventive maintenance through a combined maintenance-production simulation model

O. Roux, David Duvivier, Gauthier Quesnel, Eric Ramat

Maintenance problems are crucial aspect of nowadays industrial problems. However, the quest of the efficient periodicity of maintenance for all components of a system is far from an easy task to accomplish when considering all the antagonistic criteria of the maintenance and production views of a…

International Journal of Production Economics, 2013, 143 (1), pp.3 - 12. ⟨10.1016/j.ijpe.2010.11.004⟩. ⟨hal-02652028⟩

  • Article dans une revue

A New Class of Binary Zero Correlation Zone Sequence Sets

B. Fassi, Ali L. Djebbari, Abdelmalik Taleb-Ahmed, Iyad Dayoub

This paper proposes a new class of binary zero correlation zone (ZCZ) sequence sets, in which the periodic correlation functions of the proposed sequence set is zero for the phase shifts within the zero-correlation zone. It is shown that the proposed zero correlation zone sequence set can reach the…

IOSR Journal of Electronics and Communication Engineering, 2013, 5 (3), pp.15-19. ⟨10.9790/2834-0531519⟩. ⟨hal-03468500⟩

  • Article dans une revue

Heavy duty vehicle tire forces estimation using variable gain sliding mode observer

Omar Khemoudj, Hocine Imine, Mohamed Djemai

In this paper an original method for estimating heavy duty vehicle tyre forces is presented. The method is based on a variable gain sliding mode observer. The main on-board sensors are available through the CAN-bus of the vehicle to which low-cost sensors are added. The approach is validated by…

International Journal of Vehicle Design, 2013, 62 (2/3/4), pp 274-288. ⟨10.1504/IJVD.2013.052710⟩. ⟨hal-00862909⟩

  • Article dans une revue

Fault diagnosis and monitoring of oscillatory failure case in aircraft inertial system

Denis Berdjag, Jérome Cieslak, Ali Zolghadri

A method for oscillatory fault detection and isolation is presented and used to detect oscillatory failures of redundant aircraft sensors involved in the computation of flight control laws. The objective is to switch off the erroneous sensor and to compute a consolidated parameter using data from…

Control Engineering Practice, 2012, 20 (12), pp.1410-1425. ⟨10.1016/j.conengprac.2012.08.007⟩. ⟨hal-00725744⟩

  • Article dans une revue

High order sliding mode control for hybrid vehicle stability

Sebastien Delprat, Alejandra Ferreira de Loza

This paper tackles the problem of driving stability for a hybrid vehicle. A rear electric motor has been added to the vehicle driveline and the positive/negative torque generated by this motor affects the driving conditions. The vehicle stability control is addressed using high order sliding modes…

International Journal of Systems Science, 2012, 45 (5), pp.1202-1212. ⟨10.1080/00207721.2012.745241⟩. ⟨hal-03648938⟩

  • Article dans une revue

Experimental disc heat flux identification on a reduced scale braking system using the inverse heat conduction method

Damien Méresse, Souad Harmand, M. Siroux, Michel Watremez, Laurent Dubar

This work focuses on the local heat fluxes on a disc during braking conditions. The generated heat and the temperature field are identified using an inverse heat conduction method coupled to temperature measurements inside the disc. Function specification is used to estimate the boundary conditions…

Applied Thermal Engineering, 2012, 48, pp.202-210. ⟨10.1016/j.applthermaleng.2012.04.033⟩. ⟨hal-02367753⟩