Academic literature on the topic 'Champ de vent'
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Journal articles on the topic "Champ de vent"
Rezeau, Laurence, and Gérard Belmont. "Reconnexion magnétique entre le vent solaire et la magnétosphère terrestre : la mission MMS." Reflets de la physique, no. 59 (September 2018): 20–25. http://dx.doi.org/10.1051/refdp/201859020.
Full textMichelot, Nicolas, Pierre Carrega, and Laurence Rouïl. "Panorama de la modélisation de la dispersion atmosphérique." Pollution atmosphérique, NS 8 (March 1, 2015): 92–100. http://dx.doi.org/10.54563/pollution-atmospherique.7885.
Full textPelassy, Pierre, and Guy Cautenet. "Influence du champ de vent en altitude sur la composition chimique de l'aerosol atmospherique particulaire de YAOUNDE (Cameroun)." Environmental Technology Letters 8, no. 1-12 (January 1987): 569–78. http://dx.doi.org/10.1080/09593338709384519.
Full textRacher, Patrick, and Robert Rosset. "Formulation tridimensionnelle par éléments finis d'une procédure variationnelle d'ajustement du champ de vent sur une topographie complexe: Tests préliminaires sur l'île d'Hawaii." Atmosphere-Ocean 23, no. 1 (March 1985): 1–22. http://dx.doi.org/10.1080/07055900.1985.9649212.
Full textPeltier, Régis, and Oscar Eyog-Matig. "Les essais d'agroforesterie au Nord-Cameroun." BOIS & FORETS DES TROPIQUES 217 (September 1, 1988): 3–32. https://doi.org/10.19182/bft1988.217.a19589.
Full textÉgéa, Vincent. "Le contrat de vente maritime internationale : un archipel d’internormativité concrète." Les Cahiers de droit 59, no. 1 (February 28, 2018): 167–97. http://dx.doi.org/10.7202/1043689ar.
Full textRouziès, Dominique. "Rémunération de la force de vente: une étude exploratoire des plans tridimensionnels." Recherche et Applications en Marketing (French Edition) 12, no. 4 (December 1997): 3–14. http://dx.doi.org/10.1177/076737019701200401.
Full textPanet-Raymond, Jean. "Le Manifeste du mouvement A.C.E.F." Éducation populaire, culture et pouvoir, no. 2 (January 29, 2016): 89–94. http://dx.doi.org/10.7202/1034857ar.
Full textKoffeman, Maaike. "La naissance d’un mythe. La nouvelle revue française dans le champ littéraire de la Belle Époque." Études littéraires 40, no. 1 (September 1, 2009): 17–36. http://dx.doi.org/10.7202/037897ar.
Full textCamus, Bruno, and Bernard Cova. "Gérer le savoir commercial." Décisions Marketing N° 26, no. 2 (April 1, 2002): 17–28. http://dx.doi.org/10.3917/dm.026.0017.
Full textDissertations / Theses on the topic "Champ de vent"
Lieutaud, Frédéric. "Le lidar doppler spatial pour la mesure du champ de vent : simulateur instrumental et echantillonnage." Paris 7, 1995. http://www.theses.fr/1995PA077050.
Full textBadat, Herisitraka. "Effet d’un champ magnétique et d’un champ électrique continu sur le comportement d’une flamme laminaire de diffusion. Impact sur les émissions des suies." Thesis, Orléans, 2020. https://theses.univ-orleans.fr/public/2020ORLE3167_va.pdf.
Full textThe impact of a DC electric field and a magnetic field on the stabilization of a laminar CH4 jet diffusion flame and CH4 / air coaxial jets diffusion flame, attached or lifted with the instability of flickering are studied. The impact of these fields is also studied on modification of soot particles production. For the flame under, magnetic field generated by an electromagnet, coaxial burner is placed inside the magnet at two positions corresponding at a positive and negative magnetic gradient. Under this field, the attraction of paramagnetic oxygen at the flame front leads to modify the flickering frequency, the lift height, as well as the visible luminosity of the flame. This change in luminosity is correlated with soot production modification in the flame through the stoichiometry, local temperature, and residence time. For the CH4 single jet flame, an electric field generated between the burner and a grid (electrode), placed at different distances from the burner, showed a reduction in the average flame length, a decrease in CH* luminescence, and disappearance of the instability of flickering when the intensity of the field increases. Strong instability of the flame appears if a critical value of the electric field is exceeded. The change in the value of the current according to the applied voltage is correlated with the behavior of the flame. The electric field applied to the partially premixed CH4/air flame made it possible to re-attach the flame initially lifted to the burner and reduce its frequency of oscillation (flickering). The displacement of the ions present in the flame under an electric field induces a dynamic effect called ionic wind as well as ionization, thus modifying the behavior of the flame. Finally, we carried out soot measurements by extinction/diffusion in methane/acetylene flame under an electric field. The application of an electric field of different intensities (positive) showed a reduction in the volume fraction and a change in the size distribution of soot. This decrease is coupled with the decrease in the visible luminosity of the flame observed when the field is applied
Perozzi, Gabriele. "Exploration sécurisée d’un champ aérodynamique par un mini drone." Thesis, Ecole centrale de Lille, 2018. http://www.theses.fr/2018ECLI0007/document.
Full textThis thesis is part of the project "Small drones in the wind" carried by the ONERA center of Lille. This project aims to use the drone as a "wind sensor" to manage a UAV quadrotor in disturbed wind conditions using wind field prediction. In this context, the goal of the thesis is to make the quadrotor a wind sensor to provide local information to update the navigation system. With real-time on-board wind estimation, the quadrotor can compute a trajectory planning avoiding dangerous areas and the corresponding trajectory control, based on anexisting cartography and information on the aerodynamic behavior of airflow close to obstacles. Thus, the results of this thesis, whose main objectives are to estimate instant wind and position control, will be merged with another study dealing with trajectory planning. An important problem is that pressure sensors, such as the aeroclinometer and the Pitot tube, are not usable in rotary-wing vehicles because rotors air inflow interferes with the atmospheric flow and lightweight LIDAR sensors generally are not available. Another approach to estimate the wind is to implement an estimation software (or an intelligent sensor). In this thesis, three estimators are developed using the sliding mode approach, based on an adequate drone model, available measurements on the quadrotor and inertial tracking position systems. We are then interested in the control of the trajectory also by sliding mode considering the nonlinear model of the quadrotor. In addition, we are still studying quite an early alternative solution based on the H control, considering the linearized model for different equilibrium points as a function of the wind speed. The control and estimation algorithms are strictly based on the detailed model of the quadrotor, which highlights the influence of the wind
OH, DOMINIQUE. "Etude d'un simulateur instrumental pour la restitution du champ de vent par un lidar doppler aeroporte. Application a wind." Paris 6, 1994. http://www.theses.fr/1994PA066418.
Full textDabas, Alain. "Wind. Teledetection du champ de vent a la meso-echelle par lidar co#2 heterodyne aeroporte : physique et traitement du signal." Paris 6, 1993. http://www.theses.fr/1993PA066062.
Full textValla, Matthieu. "Etude d'un lidar doppler impulsionnel à laser Erbium fibré pour des mesures de champ de vent dans la couche limite de l'atmosphère." Paris, ENST, 2005. http://www.theses.fr/2005ENST0030.
Full textA PhD work has been undertaken for the realization of an impulse coherent laser anemometer for the measurement of wind field solved in distance in the lower atmosphere. During its propagation, the pulse gradually probe the atmosphere in the ascending direction. It is thus possible to realize a distance resolved velocity measurement by cutting out the analysis of the signal retrodiffused in multiple temporal windows. The originality of this PhD work is the use of a 1. 55 µm erbium fiber amplifier in a nanosecond pulsed mode, which allows the realization of compact and reliable instruments, with ocular safety. The instrumental simulator calculates the carrier to noise ratio of a mono or bistatic lidar, using configurations of truncated Gaussian beams with or without atmospheric turbulence. In order to account for atmospheric turbulence, the simulator uses a screen phase propagation code. The exact calculation of the Cramér-Rao lower bound allows us to predict the performances of the digital processing associated with the instrument. This part contains a fine model of the spectrum of the lidar signal which highlights a form of "spectral leakage" related to the decorrelation of the signal due to the pulsed nature of the instrument. He availability of a laser able of 20 µJ pulses allowed the realization of a prototype which was able to make three simultaneous measurements at distances up to 130 meters, thus giving us the opportunity to validate by the experiment the spectrum model undertaken during this PhD work
Valla, Matthieu. "Étude d'un lidar doppler impulsionnel à laser Erbium fibré pour des mesures de champ de vent dans la couche limite de l'atmosphère /." Paris : École nationale supérieure des télécommunications, 2005. http://catalogue.bnf.fr/ark:/12148/cb40105254b.
Full textLavraud, Benoît. "Les cornets polaires extérieurs de la magnétosphère terrestre : analyse des données de la mission Cluster." Toulouse 3, 2004. http://www.theses.fr/2004TOU30004.
Full textCorlais, Frédéric. "Etude en soufflerie et in situ du champ pression induit par le vent derriere les bardages et autour de structures de section circulaire." Nantes, 1987. http://www.theses.fr/1987NANT2036.
Full textCorlais, Frédéric. "Etude en soufflerie et in situ du champ de pression induit par le vent derrière les bardages et autour de structures de section circulaire." Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb37604049p.
Full textBooks on the topic "Champ de vent"
Almeida, Lélia. A sombra e a chama: As mulheres d'O tempo e o vento. Santa Cruz do Sul: Editora da UNISC, 1996.
Find full text1850-1936, Barron John Augustus, and Ontario, eds. A Handibook on the Conditional sales act: Being an annotation of the Act respecting conditional sales of chattels (51 Victoria, Chap. 19, Ont.) : to which is appended a complete set of forms. Toronto: Carswell, 1993.
Find full textBook chapters on the topic "Champ de vent"
Wallhult, Elisabeth, Michelle Kenyon, and Barry Quinn. "Early and Acute Complications and the Principles of HSCT Nursing Care." In The European Blood and Marrow Transplantation Textbook for Nurses, 185–216. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-23394-4_10.
Full textLAMY, Laurent. "L’interaction des corps du Système solaire avec le milieu interplanétaire." In Le Système solaire 1, 101–67. ISTE Group, 2021. http://dx.doi.org/10.51926/iste.9033.ch3.
Full textMotta-Demarcy, Teresa. "Au 202 des Champs." In Vents du large, 23. Presses Sorbonne Nouvelle, 2002. http://dx.doi.org/10.4000/books.psn.9540.
Full text"Minorités déplacées." In Science et développement durable, 55. Marseille: IRD Éditions, 2019. http://dx.doi.org/10.4000/1228w.
Full text"Chap 8. Des vents." In Traduire la science, 220–22. Maison des Sciences de l’Homme d’Aquitaine, 2008. http://dx.doi.org/10.4000/books.msha.8850.
Full textBerton, Christine. "Éthique, numérique et idéologies." In Éthique, numérique et idéologies, 215–23. Les Presses des Mines, 2023. http://dx.doi.org/10.3917/mines.roele.2023.01.0215.
Full textBillion, Roger. "De la notion de modernité en chinois moderne : champs sémantiques et applications." In Ce que modernité veut dire (I), 99–107. Presses Universitaires de Bordeaux, 1994. http://dx.doi.org/10.4000/books.pub.4763.
Full textClorinda Matto De, Turner. "6." In Torn From the Nest, edited by John H. R. Polt, 95–96. Oxford University PressNew York, NY, 1999. http://dx.doi.org/10.1093/oso/9780195110067.003.0033.
Full textd’Attac Maroc, Rabia, Atika, Larbi Moumane, and Larbi Moumane. "Féminismes dans le monde." In Féminismes dans le monde, 133–40. Éditions Textuel, 2020. https://doi.org/10.3917/textu.delag.2020.01.0133.
Full textFrisani, Marcella. "Histoire(s) de la diplomatie culturelle française." In Histoire(s) de la diplomatie culturelle française, 208–30. Éditions de l'Attribut, 2024. http://dx.doi.org/10.3917/attri.chaub.2024.01.0208.
Full textConference papers on the topic "Champ de vent"
KRIEN, Yann, Gaël ARNAUD, Raphaël CÉCÉ, Jamal KHAN, Ali BEL MADANI, Didier BERNARD, A. K. M. S. ISLAM, et al. "Apport de la télédétection spatiale à la représentation des champs de vents cycloniques." In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2018. http://dx.doi.org/10.5150/jngcgc.2018.010.
Full textde Oliveira Teixeira, Lucas Alberto, Kelly Ruoso, and Felipe Roman Centeno. "Estudo da geometria da chama de uma piscina quadrada de etanol sob condições de vento cruzado." In XI Congresso Nacional de Engenharia Mecânica - CONEM 2022. ABCM, 2022. http://dx.doi.org/10.26678/abcm.conem2022.con22-0134.
Full textDuport, Laurent J. "Learning from Le Corbusier." In LC2015 - Le Corbusier, 50 years later. Valencia: Universitat Politècnica València, 2015. http://dx.doi.org/10.4995/lc2015.2015.660.
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