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Artykuły w czasopismach na temat "Profileurs de vent"
MAUPRIVEZ, Michel, i Jean-Pierre SANDRA. "Les profileurs de vent à vocation opérationnelle". La Météorologie 8, nr 39 (2002): 71. http://dx.doi.org/10.4267/2042/36250.
Pełny tekst źródła-Mauprivez, M. "Les profileurs de vent UHF à usage opérationnel". Revue de l'Electricité et de l'Electronique -, nr 04 (2002): 39. http://dx.doi.org/10.3845/ree.2002.041.
Pełny tekst źródłaDura, Ana, Paraskevi Nomikou, Theo J. Mertzimekis, Mark D. Hannington, Sven Petersen i Serafim Poulos. "Identifying Probable Submarine Hydrothermal Spots in North Santorini Caldera Using the Generalized Moments Method". Geosciences 13, nr 9 (6.09.2023): 269. http://dx.doi.org/10.3390/geosciences13090269.
Pełny tekst źródłaScarponi, Daniele, Arianna Mancuso, Stefano Goffredo i Michał Kowalewski. "Mollusk Response Under Ocean Acidification in Shallow Marine Settings of Sicily (Central Mediterranean)". Bulletin of the Florida Museum of Natural History 60, nr 2 (16.02.2023): 113. http://dx.doi.org/10.58782/flmnh.tbsm5836.
Pełny tekst źródłaLi, Jiangwei, Lanping Zhang, Yufang Li, Keshao Liu, Yongqin Liu, Sijun Huang, Furun Li, Chen-Tung A. Chen, Yao Zhang i Anyi Hu. "A Comprehensive Profile of Antibiotic Resistance Genes in the Water Column of a Shallow-Sea Hydrothermal Vent Ecosystem". Sustainability 14, nr 3 (4.02.2022): 1776. http://dx.doi.org/10.3390/su14031776.
Pełny tekst źródłaPettinelli, Elena, Stan E. Beaubien, Annalisa Zaja, Antonio Menghini, Nicola Praticelli, Elisabetta Mattei, Andrea Di Matteo, Aldo Annunziatellis, Giancarlo Ciotoli i Salvatore Lombardi. "Characterization of a C O2 gas vent using various geophysical and geochemical methods". GEOPHYSICS 75, nr 3 (maj 2010): B137—B146. http://dx.doi.org/10.1190/1.3420735.
Pełny tekst źródłaKlaus, Vladislav, Jacki Pilon, Guy Chérel i Jean-Marie Donier. "La mesure automatique du vent en altitude : le profileur de vent en phase préopérationnelle". La Météorologie 8, nr 7 (1994): 6. http://dx.doi.org/10.4267/2042/53440.
Pełny tekst źródłaArasu, S., i A. Krishnamoorthy. "Design and Manufacturing of Conical Vent Profile Disc Brake". Applied Mechanics and Materials 766-767 (czerwiec 2015): 1028–33. http://dx.doi.org/10.4028/www.scientific.net/amm.766-767.1028.
Pełny tekst źródłaMyrum, T. A. "Natural Convection From a Heat Source in a Top-Vented Enclosure". Journal of Heat Transfer 112, nr 3 (1.08.1990): 632–39. http://dx.doi.org/10.1115/1.2910434.
Pełny tekst źródłaFoda, Ahmed S., Yehya E. Imam, Abd Allah S. Bazaraa i Emad H. Imam. "Three-dimensional numerical study of submerged spatial hydraulic jumps". Journal of Hydrology and Hydromechanics 68, nr 3 (1.09.2020): 211–22. http://dx.doi.org/10.2478/johh-2020-0021.
Pełny tekst źródłaRozprawy doktorskie na temat "Profileurs de vent"
Madougou, Saïdou. "Etude du potentiel éolien du jet nocturne dans la zone sahélienne à partir des observations de radars profileurs de vent". Toulouse 3, 2010. http://thesesups.ups-tlse.fr/959/.
Pełny tekst źródłaThis work presents a large study of the wind characteristics and the diurnal and seasonal wind variations obtained from the data of two wind profiler radars installed at Bamako in 2005 and at Niamey in 2006. The nocturnal low level jet peaked at 14 m s-1 at 500 m. It was still obvious at 150 m. Important wind shears were also shown, together with the impacts on aircraft activity. The wind pattern was marked by a strong diurnal cycle as well as a strong seasonal cycle. A wind assessment was made by two methods. The first involved the wind distributions directly observed. The second was based on the Weibull distributions. Day and night were compared. Results showed that the nocturnal low level jet was an interesting source of energy provided that wind turbines were 150 m high and huge-capacity energy storage was used, so that the energy stored at night could be restored during the daytime, when the demand is highest. Harmattan period is most propitious with an output power exceeding 300 W m-2 due to the nocturnal jet. The economic study results showed that this energy was found to be cheap relative to other renewable energy sources
Madougou, Saïdou. "Étude du potentiel éolien du jet nocturne dans la zone sahélienne à partir des observations de radars profileurs de vent". Phd thesis, Université Paul Sabatier - Toulouse III, 2010. http://tel.archives-ouvertes.fr/tel-00530163.
Pełny tekst źródłaDomps, Baptiste. "Identification et détection de phénomènes transitoires contenus dans des mesures radar à faible rapport signal à bruit : Applications conjointes aux problématiques océanographique et atmosphérique". Electronic Thesis or Diss., Toulon, 2021. http://www.theses.fr/2021TOUL0001.
Pełny tekst źródłaObservations of atmospheric and ocean surface dynamics can be performed via radar remote sensing. The usual approach consists, in both cases, in numerically calculating the Doppler spectrum of the received temporal echoes using a discrete Fourier transform. Although satisfactory for most applications, this method is not suitable for observations of transient phenomena due to being shorter than the integration time required for radar observations. We use an alternative technique based on an autoregressive representation of the radar time series combined with the maximum entropy method. This approach is applied to coastal radar measurements of surface currents in the high frequency band as well as to L-band radar measurements of wind in the lower atmosphere. For both cases, through numerical simulations and case studies, we compare our approach with others that use different instruments. We show that for short integration times, where conventional methods fail, our proposed approach leads to reliable estimates of geophysical quantities (ocean currents and wind speeds)
Candusso, Jean-Pierre. "Mini-profileur de vent V. H. F. Opérationnel : validation instrumentale déconvolution des données". Toulon, 2001. http://www.theses.fr/2001TOUL0003.
Pełny tekst źródłaDeveloped for several decades, wind profilers are operational instruments of the atmosphere observation, while continuing to come under the field of Research. They indeed find their employment in concrete applications {meteorology, pollution, security, etc) but continue to be the objects of instrumental and methodological researches (frequential and temporal interferometries, etc) and the instruments of atmospheric medium study (circulation, turbulence, etc]. The use of two different frequency bands around an identical radar technique divides the wind profilers family into two groups with complementary investigations: large VHP radars (30-300 MHz) are classically intended for surveys at average and high altitude, while small UHF profilers (0-3-3 GHz) carry out the main part of their measurements in the atmospheric boundary layer. We present in this thesis a VHP radar with a reduced number of antennas, called the "mini-radar", which reconciles the advantages of a small surface of antennas allowing low altitudes survey, and of the use of VHF range making the system not very sensitive to precipitations, birds, insects, which are as many undesirable echoes at UHF frequencies. The counterpart of the use of a small number of antennas is the widening of the beam, causing in oblique angle observations an overlap of the explored zones which can involve errors during wind speed estimation by the classical "moments" method. After the instrumental validation of the mini-radar by a comparative statistic study between its "raw" measurements and those of a large radar VHF, and by a campaign in operational mode in the Antarctic, we propose a study of the overlap phenomenon which leads to the development of a new spectral method making it possible to correct measurements of the mini-radar which require an operation of "deconvolution"
Jacoby-Koaly, Sandra. "Application d'un radar profileur de vent UHF à l'étude de la couche limite atmosphérique". Toulouse 3, 2000. http://www.theses.fr/2000TOU30144.
Pełny tekst źródłaGillberg, Julia, i Mimmi Olai. "Jag vet allt om dig, men du vet inget om mig : En kvalitativ studie om unga mäns användning av YouTube". Thesis, Högskolan i Halmstad, Akademin för lärande, humaniora och samhälle, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-42724.
Pełny tekst źródłaBoilley, Alexandre. "Modélisation de cisaillements de vent et assimilation de données dans la couche limite atmosphérique". Phd thesis, Toulouse 3, 2011. http://thesesups.ups-tlse.fr/1320/.
Pełny tekst źródłaThe objective of this thesis is to study the ability of numerical weather prediction model to represent windshears in the lower layer of the atmosphere over an airport area and to determine the impact of high temporal frequency observations on predictions. The study focuses on the international Nice Côte d'Azur airport where horizontal windshears, also called wind reversals, happen regularly. A wind profiler and three anemometers were installed on the Nice airport runways. At the beginning of 2009, a field campaign with a wind lidar and a sonic anemometer took place in order to provide additional observations. Both high temporal frequency data and numerical simulations performed with the mesoscale research model Meso-NH supply a general picture of the evolution of the various flows leading to a windshear event over the airport. We also use observational data to validate the model predictions for three different situations of windshear. The simulations reproduce quite well the horizontal and vertical structure of the flow despite a spatio-temporal misplacement. Local flows such as land and valley breezes are important to generate low level conditions for a horizontal windshear event but the front position is mostly influenced by mesoscale flow (trapped gravity waves or low geopotential). We compared the Meso-NH simulations with the results of the operational model AROME and carried out sensitivity testing against initial and coupling conditions at 2. 5 km resolution. We then ran experimental simulations at 500 m resolution, centered on the airport platform, to evaluate the impact of an increased resolution on the windshear predictions. Such a resolution provides improvement of local flow and generates rapid and local wind changes but does not improve the windshear front position compared to a 2. 5 km resolution simulation. Moreover the small horizontal grid domain increased the sensitivity to large scale lateral boundary conditions. In order to constrain numerical simulations toward high temporal frequency observations we considered a data assimilation system based on the nudging technique called the 'Back and Forth Nudging' (BFN) technique. We first applied this algorithm to the Lorenz system to compare its behaviour with published results considering other data assimilation techniques. The promising results allowed the implementation of the BFN within the Meso-NH model. We performed assimilation experiments in idealized conditions with high temporal frequency of wind profiles that show a consistent response of the model
Boilley, Alexandre. "Modélisation de cisaillements de vent et assimilation de données dans la couche limite atmosphérique". Phd thesis, Université Paul Sabatier - Toulouse III, 2011. http://tel.archives-ouvertes.fr/tel-00638822.
Pełny tekst źródłaRodríguez, Gasén Rosa. "Modelling SEP events: latitudinal and longitudinal dependence of the injection rate of shock-accelerated protons and their flux profiles". Doctoral thesis, Universitat de Barcelona, 2011. http://hdl.handle.net/10803/31855.
Pełny tekst źródłaEls esdeveniments graduals de partícules solars energètiques (SEP) són un risc important per als astronautes i l’ instrumentació espacial. És per això que són necessàries eines de predicció de la intensitat i l'ocurrència de les tempestes de partícules solars per a garantitzar l'operativitat del material tècnic i científic embarcat. Existeix un gran buit, però, entre les prediccions del models actuals (per a ús en meteorologia espacial), i les observacions d'esdeveniments SEP. El treball realitzat durant aquesta tesi doctoral es centra en diversos aspectes de la simulació d'esdeveniments SEP. En particular, analitzem la influència de la posició relativa de l'observador i de la força del xoc en els perfils de flux derivats del nostre model combinat xoc-i-partícula. A partir de simulacions 3D, obtenim que el ritme d'injecció de partícules accelerades pel xoc depèn de la longitud de l'observador i demostrem, per primera vegada, que també depèn de la seva latitud. I es mostra que, conseqüentment, els perfils de flux detectats poden variar en un ordre de magnitud depenent de la connexió magnètica de l'observador amb el front del xoc. A més a més, presentem una simulació 2D d'un esdeveniment solar vist per tres sondes interplanetàries, pel qual s'ha ajustat, per primera vegada, l'arribada del xoc i els perfils de intensitat dels protons de diferents canals d'energia observats per cadascuna de les sondes. Així mateix, hem ajustat els salts en velocitat i camp magnètic a l'arribada del xoc, hem derivat les condicions de transport de les partícules i hem quantificat l'eficiència del xoc com a injector de partícules. La conclusió final del treball és que els futurs models de predicció d'esdeveniments SEP per a meteorologia espacial han de tenir en compte la geometria global de l'escenari solar-interplanetari.
Puygrenier, Vincent. "Etude de la couche limite atmosphérique côtière durant ESCOMPTE 2001. Evaluation et amélioration des performances d'un radar UHF". Phd thesis, Université Paul Sabatier - Toulouse III, 2005. http://tel.archives-ouvertes.fr/tel-00011691.
Pełny tekst źródłaDans le cadre de la campagne ESCOMPTE-2001, ce travail de thèse est consacré à l'étude de la basse troposphère en période de brise de mer, situation météorologique défavorable à la qualité de l'air des zones côtières. Il a permis notamment de mettre en évidence une oscillation de l'intensité de la brise de mer et des compétitions de brises de mer locales et régionales, qui modifient le temps d'advection de l'air marin sur la surface terrestre et ont donc des répercussions importantes sur le développement de la CLA et sa concentration en polluants. Ces travaux s'appuient principalement sur le réseau de quatre radars profileurs de vent UHF mis en place sur la zone côtière de Marseille/Fos/Berre, permettant une description en trois dimensions et en continu dans le temps des écoulements de brises de mer et de la CLA.
Pour les besoins de cette étude phénoménologique, des développements méthodologiques sont apportés sur la mesure des propriétés turbulentes de la CLA par les radars UHF (termes du bilan de l'énergie cinétique turbulente) et sur leur utilisation en réseau pour l'étude de la trajectographie de panaches de polluants.
Książki na temat "Profileurs de vent"
Wuttke, Eveline, Jürgen Seifried i Helmut Niegemann, red. Vocational Education and Training in the Age of Digitization. Verlag Barbara Budrich, 2020. http://dx.doi.org/10.3224/84742432.
Pełny tekst źródłaCzęści książek na temat "Profileurs de vent"
Karlsson, Björn, i James G. Quintiere. "Pressure Profiles and Vent Flows for Well-Ventilated Enclosures". W Enclosure Fire Dynamics, 111–54. Wyd. 2. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/b22214-5.
Pełny tekst źródła"Pressure Profiles and Vent Flows for Well-Ventilated Enclosures". W Enclosure Fire Dynamics. CRC Press, 1999. http://dx.doi.org/10.1201/9781420050219.ch5.
Pełny tekst źródła"Pressure Profiles and Vent Flows for Well-Ventilated Enclosures". W Enclosure Fire Dynamics, 97–130. CRC Press, 1999. http://dx.doi.org/10.1201/9781420050219-10.
Pełny tekst źródła"(In-)Visible Differences: On the Modelling and Validation of Competence Profiles". W VET Boost: Towards a Theory of Professional Competencies, 133–47. Brill | Sense, 2009. http://dx.doi.org/10.1163/9789087907389_011.
Pełny tekst źródłaBürgi, Regula, Philipp Eigenmann i Philipp Gonon. "Reshaping the Role of Professional Associations and the Federal State in Swiss VET". W Collective Skill Formation in the Knowledge Economy, 55–75. Oxford University PressOxford, 2022. http://dx.doi.org/10.1093/oso/9780192866257.003.0003.
Pełny tekst źródłaStreszczenia konferencji na temat "Profileurs de vent"
Alom, Nur, i Ujjwal K. Saha. "Determining the Optimal Location of Vent Augmenters in an Elliptical-Bladed Savonius Rotor". W ASME 2019 Gas Turbine India Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/gtindia2019-2344.
Pełny tekst źródłaAbdulNour, Bashar S. "CFD Prediction of Panel Vents Velocity Profiles Validated With Hot-Wire Measurements". W ASME 1996 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/imece1996-0973.
Pełny tekst źródłaOh, Chang H., i Steve A. Atkinson. "ATR Flow Blockage Tests and CFD Simulations". W ASME 2000 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/imece2000-1532.
Pełny tekst źródłaMneimneh, Farah, Nesreen Ghaddar, Kamel Ghali, Charbel Moussalem i Ibrahim Omeis. "Modeling the Effect of Cooling Vest on Body Thermal Response of People With Paraplegia During Exercise". W ASME 2019 Heat Transfer Summer Conference collocated with the ASME 2019 13th International Conference on Energy Sustainability. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/ht2019-3474.
Pełny tekst źródłaNegahdar, M. J., J. Cha, M. Shakeri, M. Kendrick, M. Alshaher, I. Khodarahimi, M. K. Sharp, A. Yancey, J. Heidenreich i A. Amini. "Effect of Venc on accuracy of velocity profiles in multi-slice phase-contrast MR imaging of stenotic flow". W 2012 IEEE 9th International Symposium on Biomedical Imaging (ISBI 2012). IEEE, 2012. http://dx.doi.org/10.1109/isbi.2012.6235674.
Pełny tekst źródłaGlavič, Peter, Helena Levičnik, Aida Szilagyi, Thomas Schönfelder, Jarmila Bilikova, Pavel Ruzicka, Eugenia Atin, Oihana Hernaez i Ibon Zugasti. "Smart Education for Corporate Sustainability Reporting". W 7th FEB International Scientific Conference. University of Maribor, University Press, 2023. http://dx.doi.org/10.18690/um.epf.3.2023.74.
Pełny tekst źródłaThompson, B. R., D. Maynes i B. W. Webb. "Characterization of the Hydrodynamically Developing Flow in a Microtube Using Molecular Tagging Velocimetry". W ASME 2003 1st International Conference on Microchannels and Minichannels. ASMEDC, 2003. http://dx.doi.org/10.1115/icmm2003-1025.
Pełny tekst źródłaChima, Rodrick V. "Calculation of Tip Clearance Effects in a Transonic Compressor Rotor". W ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/96-gt-114.
Pełny tekst źródłaRadulescu, Ionrazvan, Carmen Ghituleasa, Emilia Visileanu, Luis Almeida, Mirela Blaga, Petra Dufkova, Andreja Rudolf i Benny Malengier. "DEDICATED E-LEARNING INSTRUMENT TO SUPPORT STEM KNOWLEDGE BY MEANS OF SMART TEXTILES". W eLSE 2020. University Publishing House, 2020. http://dx.doi.org/10.12753/2066-026x-20-215.
Pełny tekst źródłaRaporty organizacyjne na temat "Profileurs de vent"
Canto, Patricia, red. The role of vocational training knowledge intensive business services. (Main conclusions). Universidad de Deusto, 2020. http://dx.doi.org/10.18543/vyqr9353.
Pełny tekst źródłaNjå, Ove, i Kirsti Russell Vastveit. Norske kommuners planlegging, gjennomføring og bruk av risiko- og sårbarhetsanalyse i forbindelse med samfunnssikkerhetsarbeidet. University of Stavanger, październik 2016. http://dx.doi.org/10.31265/usps.164.
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