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Literatura académica sobre el tema "Dynamique de chute de bille"
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Artículos de revistas sobre el tema "Dynamique de chute de bille"
Ferreira Nunes, Brasilmar. "Le Brésil, un pays de jeunes?" Les pratiques sociales d’ailleurs 9, n.º 2 (28 de enero de 2008): 169–86. http://dx.doi.org/10.7202/301374ar.
Texto completoPaladi, Irina. "Une analyse dynamique du système de contrôle de gestion de la firme post-soviétique". Comptabilité Contrôle Audit Tome 29, n.º 3 (17 de abril de 2023): 43–83. http://dx.doi.org/10.3917/cca.293.0043.
Texto completoBeaucage, André y Elmustapha Najem. "Les entrées et les sorties du travail autonome au Canada". Notes de recherche 17, n.º 1 (16 de febrero de 2012): 37–65. http://dx.doi.org/10.7202/1008451ar.
Texto completoTrüeb. "Haarausfall". Praxis 92, n.º 36 (1 de septiembre de 2003): 1488–96. http://dx.doi.org/10.1024/0369-8394.92.36.1488.
Texto completoSemara, Lounis, Toufik Madani, Charefeddine Mouffok y Farida Belkasmi. "Réaction des éleveurs bovins des régions semi-arides algériennes face aux contraintes économiques et climatiques". Cahiers Agricultures 27, n.º 6 (noviembre de 2018): 65001. http://dx.doi.org/10.1051/cagri/2018037.
Texto completoBombaj, Florjan, Dominique Barjolle, Jean-Marc Touzard, François Casabianca y Simon Gontard. "Systèmes de production locaux et gestion des ressources pastorales en Albanie. Entre stratégies d’acteurs et évolutions institutionnelles". Cahiers Agricultures 30 (2021): 6. http://dx.doi.org/10.1051/cagri/2020049.
Texto completoDelage, Pierre-Luc, Claude Marche y Bruno Larouche. "Formulation de fonctions de transfert de débit entre les aménagements hydroélectriques de la rivière Péribonka". Canadian Journal of Civil Engineering 35, n.º 7 (julio de 2008): 676–88. http://dx.doi.org/10.1139/l08-031.
Texto completoDelwit, Pascal. "“This is the final fall”. An electoral history of European Social Democracy (1870-2019)". CEVIPOL Working Papers N° 1, n.º 1 (28 de mayo de 2021): a—58. http://dx.doi.org/10.3917/lcdc1.211.0001.
Texto completoCharent, I. "Identité et Enracinement En Relaxations : à Propos d’un Cas Clinique". European Psychiatry 28, S2 (noviembre de 2013): 93. http://dx.doi.org/10.1016/j.eurpsy.2013.09.249.
Texto completoHong, Liu Chang y Jean-Claude Chesnais. "Mariage et régulation démographique : le cas de la Chine". Population Vol. 41, n.º 6 (1 de junio de 1986): 979–1004. http://dx.doi.org/10.3917/popu.p1986.41n6.1004.
Texto completoTesis sobre el tema "Dynamique de chute de bille"
Brizard, Matthieu. "Développement et étude d'un viscosimètre absolu à chute de bille". Phd thesis, Université Joseph Fourier (Grenoble), 2005. http://tel.archives-ouvertes.fr/tel-00009440.
Texto completoPaschoal, Mateus Faria de Andrade. "Mouvement de particules magnétiques dans un fluide à seuil". Electronic Thesis or Diss., Université de Lorraine, 2024. http://www.theses.fr/2024LORR0240.
Texto completoThis thesis presents an in-depth investigation, using experimental and numerical approaches, on a modified falling ball viscometer used to determine the rheological properties of fluids. The fluid studied here is Carbopol, modeled as a Herschel-Bulkley type fluid. This is a range of fluids called viscoplastic fluids, characterized by a yield stress and shear-thinning behavior under flow. Initially, the classic configuration of the viscometer, i.e., a ball subject to gravity falling in a tube filled with viscoplastic fluid, was analyzed experimentally. The experimental results for this classic configuration align with the literature: for low yield stress values, the ball falls with a constant vertical velocity. The analysis of the data obtained under these conditions revealed confinement effects, highlighting the challenge of reproducibility in the classic falling ball experiment. To address this issue, a new viscometer configuration was proposed by introducing a permanent magnet into the system to control the dynamics of the ball during its fall, thus ensuring reproducible data. In this new device, understanding all the forces acting on the ball and their influence on its dynamics is crucial. First, efforts focused on determining the magnetic force through analytical and numerical approaches, validated by experimental measurements. The trajectories of the experimental data from the modified viscometer were then compared to validate the calculation of this newly added force. The results show that while the analysis of the radial position remains difficult, the vertical position data align with the simulations. To complement the literature data, the drag force alone was also studied in the classic viscometer configuration. A detailed development was carried out to study the static drag force, and the result obtained matches the well-known value in the literature. Through analytical and numerical approaches, we arrive at a new correlation for the drag coefficient that includes this static force, the rheological properties of the Herschel-Bulkley fluid, as well as geometric parameters, notably the tube-to-ball radius ratio. This work enriches the existing literature by providing original results and presenting new perspectives by adding a known volumetric force that modifies the ball’s dynamics
Stour, Ahmed. "Contribution a l'etude de l'ecoulement entre une sphere et un tube : application a la viscometrie a chute de bille". Poitiers, 1988. http://www.theses.fr/1988POIT2298.
Texto completoStour, Ahmed. "Contribution à l'étude de l'écoulement entre une sphère et un tube application à la viscométrie à chute de bille /". Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb37618712f.
Texto completoBettez-Bouchard, Jean-Alexandre. "Développement et expérimentation d'algorithmes de réorientation pour un robot sériel en chute libre". Master's thesis, Université Laval, 2016. http://hdl.handle.net/20.500.11794/27025.
Texto completoThis master’s thesis presents two different types of methods to reorient a free-floating serial manipulator with internal motion using path planning algorithms based on a dynamic model of the manipulator. The first method attempts to reorient the robot with a local optimisation technique using a potential function describing the global orientation of the robot, while the second method applies sinusoidal functions to the joints of the robot in order to reorient it. The proposed methods are tested with a robot that starts from a pose in which all the links are aligned and ends with the same configuration but with the robot having completed a 180 degrees rotation. To verify the simulation results against a real robot, a prototype of a planar robot with three bodies and two revolute joints is built. The experiments conducted show that the prototype is able to achieve the prescribed reorientation if almost no external torque is applied to the system, even though the control of the orientation is implemented in an open-loop mode.
Jenny, Mathieu. "Etude de la transition au chaos d'une sphère en ascension ou en chute libre dans un fluide newtonien". Université Louis Pasteur (Strasbourg) (1971-2008), 2003. http://www.theses.fr/2003STR13109.
Texto completoMakke, Ali. "Propriétés mécaniques des homo-polymères et des copolymers à blocs : approche par dynamique moléculaire". Phd thesis, Université Claude Bernard - Lyon I, 2011. http://tel.archives-ouvertes.fr/tel-00839525.
Texto completoLoget, Nicolas. "Dynamique de l'érosion fluviatile consécutive à une chute du niveau de base : l'exemple de la crise de salinité messinienne". Phd thesis, Université Rennes 1, 2005. http://tel.archives-ouvertes.fr/tel-00011641.
Texto completoQaddah, Baraa. "Modélisation numérique de la dynamique et de l'évolution thermique d'une goutte métallique en chute libre dans un milieu visqueux". Thesis, Aix-Marseille, 2020. http://www.theses.fr/2020AIXM0139.
Texto completoDuring the last stages of planetary accretion, impacts between differentiated protoplanets have considerably influenced the thermochemical conditions of future telluric planets. The result of these impacts is a two-phase flow. After each impact and the formation of a magma ocean, the metallic phase of the impactor underwent strong deformation and fragmentation processes before reaching the bottom of the magma ocean. The challenges of this thesis are to determine the role of the viscosity ratio between the two phases and the initial drop size on the dynamics, fragmentation and thermochemical evolution of the metallic drop. To do so, we develop numerical models using the Comsol Multiphysics software. We determine the fragmentation modes as a function of Reynolds and Weber numbers and viscosity ratio. We then compare the fragmentation time and distance with previous studies and propose scaling laws of the maximum stable radius of the drop and critical Weber as a function of magma ocean viscosity and viscosity ratio, respectively. Then we estimate the potential thermo-chemical exchanges between the drop and the magma ocean by applying a geophysical model depending on our numerical results. Finally, we study the thermal evolution of a drop in a magmatic ocean and the influence of a temperature-dependent viscosity on the dynamics. We propose time scale and length laws of thermal equilibrium and Nusselt number as a function of the Peclet number
Loget, Nicolas. "Dynamique de l'érosion fluviatile consécutive à une chute du niveau de base : l'exemple de la crise de salinité messinienne /". Rennes : Géosciences-Rennes, 2005. http://catalogue.bnf.fr/ark:/12148/cb40085996p.
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