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Academic literature on the topic 'Banc d'évaluation de la dispersion'
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Journal articles on the topic "Banc d'évaluation de la dispersion"
Soutter, M., and M. Musy. "Contamination des eaux souterraines par des pesticides: cartes de risque et d'incertitudes." Revue des sciences de l'eau 10, no. 1 (April 12, 2005): 103–20. http://dx.doi.org/10.7202/705272ar.
Full textChaumont, Diane, André G. Roy, and François Courchesne. "Traçage minéralogique de l’origine des sédiments aux confluents de cours d’eau." Géographie physique et Quaternaire 48, no. 2 (November 30, 2007): 195–205. http://dx.doi.org/10.7202/032996ar.
Full textPatout, M., E. Fresnel, M. Lujan, C. Rabec, A. Carlucci, L. Razakamanantsoa, A. Kerfourn, et al. "Impact sur l’efficacité de la ventilation de l’ajout de filtres minimisant la dispersion des aérosols chez les patients atteints d’une infection virale: étude de 8 configurations de circuits sur banc test." Revue des Maladies Respiratoires Actualités 13, no. 1 (January 2021): 25–26. http://dx.doi.org/10.1016/j.rmra.2020.11.042.
Full textDissertations / Theses on the topic "Banc d'évaluation de la dispersion"
Dessimond, Boris. "Exposition individuelle à la pollution de l’air : mesure par capteurs miniatures, modélisation et évaluation des risques sanitaires associés." Electronic Thesis or Diss., Sorbonne université, 2021. http://www.theses.fr/2021SORUS297.
Full textAir pollution contributes to the degradation of the quality of life and the reduction of life expectancy of the populations. The World Health Organization estimates that air pollution is responsible for 7 million deaths per year worldwide. It contributes to the aggravation of respiratory diseases, causes lung cancer and heart attacks. Air pollution has therefore significant health consequences on human life and biodiversity. Over the last few years, considerable progress has been made in the field of microcontrollers and telecommunications modules. These are more energy efficient, powerful, affordable, accessible, and are responsible for the growth of connected objects. In the meantime, the recent development of microelectromechanical systems and electrochemical sensors has allowed the miniaturization of technologies measuring many environmental parameters including air quality. These technological breakthroughs have enabled the design and production in an academic environment, of portable, connected, autonomous air quality sensors capable of performing acquisitions at a high temporal frequency. Until recently, one of the major obstacles to understanding the impact of air pollution on human health was the inability to track the real exposure of individuals during their daily lives; air pollution is complex, and varies according to the habits, activities and environments in which individuals spend their lives. Portable air quality sensors completely remove this obstacle as well as a number of other important constraints. These are designed to be used in mobility, over long periods of time, and produce immediately available granular data, which describes the exposure to air pollution of the person wearing it. Although the measurement modules embedded in these sensors are not currently as reliable as reference tools or remote sensing, when it comes to assessing individual exposure to air pollution, because they are as close as possible to the wearer, they provide the most accurate information, and are therefore an indispensable tool for the future of epidemiological research. In this context, we have been involved in the development and improvement of two air quality sensors; the CANARIN II and the CANARIN nano. The CANARIN II is a connected sensor communicating via Wi-Fi, which reports the concentration of 10, 2.5 and 1 micrometer diameter particles, as well as the environmental parameters of temperature, humidity, and pressure, every minute, making them available in real time. The CANARIN nano is a smaller sensor with the same capabilities of the CANARIN II, while additionally sensing volatile organic compounds levels. The CANARIN nano is able to operate autonomously, as it communicates through the cellular network. Two types of results have been obtained with the CANARIN sensors; on one hand, results produced from their use in real life conditions, and on the other hand, results related to the interpretation and understanding of the measurements produced by the particle sensors. These two sensors were both used in two research projects, in which we have helped deploy several heterogeneous sensor fleets and analyzed the acquired data. Firstly, in the POLLUSCOPE project funded by the French National Research Agency, where 86 volunteers from the general population wore a set of air pollution sensors for a total of 101 weeks, 35 of which the volunteers were also equipped with health sensors. Secondly, in the POLLAR project, where 43 subjects underwent polysomnography and then wore one CANARIN sensor for 10 days, thus allowing for the first time to explore the link between sleep apnea and particulate matter exposure. [...]
Salque, Tristan. "Méthode d'évaluation des performances annuelles d'un régulateur prédictif de PAC géothermiques sur banc d'essai semi-virtuel." Thesis, Paris, ENMP, 2013. http://www.theses.fr/2013ENMP0095/document.
Full textWith the recent development of innovative controllers for the building, there is a need to develop a testing method that is fast, reproducible and realistic. The method developed in this study aims to estimate the annual performance of ground source heat pump (GSHP) controllers in only a few days of test. Based on emulation techniques already used for GSHP and solar combined systems, the test immerses the controller and a real GSHP in a simulated environement that is calibrated with in-situ data. Each day of test represents a typical day of the month. The development of the method consists in determining the optimal typical days that ensure an accurate estimation of annual performance. The method is then experimentally tested on the semi-virtual test bench for the comparison of a predictive controller and a conventionnal controller over an entire heating season.To develop the method, a predictive controller for GSHP is elaborated. The controller is based on artificial neural networks used for the prediction of weather data and indoor temperature. A new module for the prediction of floor heating and boreholes fluid temperatures is also proposed. The predictive controller is tested by simulation over a heating season for various climates and types of single family house. According to the reference case, the energy savings vary between 6% and 15%
Sapolin, Bertrand. "Construction d'une méthodologie d'évaluation statistique des logiciels de dispersion atmosphérique utilisés en évaluation de risque NRBC et développement d'un modèle d'estimation de l'incertitude des résultats." Paris 7, 2011. http://www.theses.fr/2011PA077217.
Full textAtmospheric dispersion of contaminated clouds following deliberate or accidental releases of CBRN (chemical, biological, radiological, nuclear) toxic substances may have serious health impacts. In order to estimate them, CBRN risk assessment activities rely, among other things, on atmospheric dispersion models. These models compute the concentration field of pollutant in order to quantify potential adverse effects on human population. They need to be evaluated, which means their outputs have to be compared to experimental data within an appropriate methodology. Now, existing evaluation methodologies have two flaws: firstly they are not suited to risk assessment, and secondly their results may be somewhat arbitrary because they are based on direct comparisons between observations and model results. Turbulence in the atmospheric boundary layer introduces a large random component in the observations, and thus an inevitable gap between observations and model results, be the latter "perfect". In this thesis two tools have been built to fix these issues. The first one is an evaluation methodology suitable for the risk assessment context. The second one is an empirical statistical model meant to estimate the uncertainty in the simulation results. It can be associated to an atmospheric dispersion model with probabilistic capabilities in order to produce an envelop of the answer rather than a unique "average" result, the latter being of little use despite its omnipresence in current risk assessment studies. When used jointly, the two tools developed in this thesis enable model/experiment comparisons to be more objective and less subject to experimental randomness