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Dissertations / Theses on the topic 'Plume dispersion model'

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1

Cheung, Soe Hoo. "Development of models for the atmospheric dispersion of odours from different source types." Thesis, Queen's University Belfast, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.268226.

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2

Haroutunian, V. "A time-dependent finite element model for atmospheric dispersion of gases heavier than air." Thesis, University of Manchester, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.380523.

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3

Zakeri, Shahvari Saba. "Assessment and improvement of the 2019 ASHRAE Handbook model for exhaust-to-intake dilution calculations for rooftop exhaust systems (ASHRAE 1823-RP)." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1575921032418665.

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4

Nironi, Chiara. "Concentration fluctuations of a passive scalar in a turbulent boundary layer." Phd thesis, Ecole Centrale de Lyon, 2013. http://tel.archives-ouvertes.fr/tel-00964852.

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This experimental study analyses the dynamics of concentration fluctuations in a passive plume emitted by a point source within the turbulent boundary layer. We aim to extend the popular study of Fackrell and Robins (1982) about concentration fluctuations and fluxes from point sources by including third and fourth moments of concentration. We also further inquire into the influence of source conditions, such as the source size, source elevation and emission velocity, on higher order concentration moments. The data set is completed by a detailed description of the velocity statistics within the
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5

Sallet, Marieli, and Marieli Sallet. "Desenvolvimento de um modelo lagrangeano para dispersão de poluentes em condições de vento fraco." Universidade Federal de Pelotas, 2007. http://repositorio.ufpel.edu.br/handle/ri/2183.

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Made available in DSpace on 2014-08-20T14:25:46Z (GMT). No. of bitstreams: 1 dissertacao_marieli_sallet.pdf: 231023 bytes, checksum: f445526b62fbfcde40fb1bc5ca90923a (MD5) Previous issue date: 2007-02-23<br>Currently, the search for analytical solutions for the dispersion problems is one of the main research subjects in the pollutant dispersion modeling. These solutions become important due to the intention to obtain dispersion models that generate reliable results in a small computational time, which are of great interest for regulatory air quality applications. Lagrangian particle mo
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6

Dinoko, Tshepo Samuel. "Modeling of the dispersion of radionuclides around a nuclear power station." Thesis, University of the Western Cape, 2009. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_3451_1360933219.

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<p>Nuclear reactors release small amounts of radioactivity during their normal operations. The most common method of calculating the dose to the public that results from such releases uses Gaussian Plume models. We are investigating these methods using CAP88-PC, a computer code developed for the Environmental Protection Agency (EPA) in the USA that calculates the concentration of radionuclides released from a stack using Pasquill stability classification. A buoyant or momentum driven part is also included. The uptake of the released radionuclide by plants, animals and humans, directly and indi
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7

Nekouee, Navid. "Dynamics and numerical modeling of river plumes in lakes." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/41104.

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Models of the fate and transport of river plumes and the bacteria they carry into lakes are developed. They are needed to enable informed decisions about beach closures to avoid economic losses, and to help design water intakes and operate combined sewer overflow schemes to obviate exposure of the public to potential pathogens. This study advances our understanding of river plumes dynamics in coastal waters by means of field studies and numerical techniques. Extensive field measurements were carried out in the swimming seasons of 2006 and 2007 on the Grand River plume as it enters Lake Michig
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8

Zacharias, Daniel Constantino. "Desenvolvimento do STFM (Spill, Transport and Fate Model): Modelo computacional lagrangeano de transporte e degradação de manchas de óleo." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/14/14133/tde-08052018-192547/.

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Os derramamentos de petróleo são consequência inevitável e indesejável da produção e transporte do petróleo e seus derivados. A maioria desses derramamentos são relativamente pequenos, mas alguns deles são grandes o suficiente para causar significativo impacto ambiental. Nessas situações, os modelos computacionais são ferramentas importantes para estimar a trajetória, dimensionamento e comportamento do óleo derramado no ambiente marinho, sendo determinantes na elaboração de planos de ação e trabalho das equipes de resposta. O transporte e destino de óleo offshore derramado são regidos majorita
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9

KEONG, KOK TEO. "COMPARISON OF TWO AERIAL DISPERSION MODELS FOR THE PREDICTION OF CHEMICAL RELEASE ASSOCIATED WITH MARITIME ACCIDENTS NEAR COASTAL AREAS." University of Cincinnati / OhioLINK, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1014648666.

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10

DOURADO, H. O. "Estudo da dispersão de gases odorantes ao redor de obstáculos através do modelo de pluma flutuante." Universidade Federal do Espírito Santo, 2007. http://repositorio.ufes.br/handle/10/3880.

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Made available in DSpace on 2016-08-29T15:09:35Z (GMT). No. of bitstreams: 1 tese_2639_Harerton Oliveira Dourado - Dissertação.pdf: 1884341 bytes, checksum: 5a0fb0840af372b7ababb381fe5dea25 (MD5) Previous issue date: 2007-08-28<br>A emissão atmosférica de compostos odorantes pode causar impactos ambientais, causando incômodo e trazendo prejuízos à saúde. Uma das ferramentas empregadas nos estudos desses impactos são os modelos matemáticos, baseados na solução das equações de transporte do poluente. Um aspecto importante é a capacidade dos modelos em incluir o efeito da presença de obstáculos
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11

Wannberg, Veronica Elaine. "Quantitative Uncertainty of Chemical Plume Transport in Low Wind Speeds Using Measured Field Data and Stochastic Modeling." Diss., CLICK HERE for online access, 2008. http://contentdm.lib.byu.edu/ETD/image/etd2570.pdf.

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12

Alanezi, Salwa. "Emission inventories from Kuwait petroleum refineries and respective ground level concentration of pollutants in the neighboring residential area." Thesis, Loughborough University, 2013. https://dspace.lboro.ac.uk/2134/12544.

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The State of Kuwait has three large refineries, namely, Mina Al Ahmadi Refinery, Mina Abdullah Refinery and Shuaiba Refinery. These refineries process and refine Kuwait Crude Oil through different process units. There are many heaters, boilers and flares that form a part of the complicated equipment which enhance the different petroleum processes. Fuel gas is used as a firing fuel for those heaters and boilers. As a result, stack emissions like SO2, NOx, CO are predominantly present in the flue gases and this study focuses on those emissions and their impact on the surrounding residential area
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13

Washington, Maria Georgina Muniz. "Modelagem numérica e análise probabilística da pluma de contaminação do lixão de São Pedro da Aldeia." Universidade do Estado do Rio de Janeiro, 2008. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=761.

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O objetivo do trabalho é aplicar um modelo numérico que simule a propagação da pluma de contaminação derivada de chorume, como ferramenta numérica que permita uma análise dos parâmetros envolvidos no sistema, tendo como caso de estudo o lixão de São Pedro da Aldeia, levando em conta: o mecanismo de perda de massa durante o transporte e a variabilidade estatística dos principais parâmetros de entrada (input) no modelo numérico. A perda de massa durante o fluxo pode ocorrer tanto por sorção, como por decaimento microbiológico, será estimada através da interpretação probabilística de dados experi
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14

"Development And Evaluation Of An Irritant Gas Plume Dispersion Model For Epidemiologic Study." Tulane University Digital Library, 2016.

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Atmospheric transport and dispersion modeling systems are often used in assessing human exposures to chemical hazards. Models validated through quantitative and qualitative evaluation can be applied to epidemiologic study. Here, we modeled the 2005 Graniteville, South Carolina, USA railcar release of chlorine using dense gas plume dispersion models including the Hazard Prediction and Assessment Capability (HPAC) and Areal Locations of Hazardous Atmospheres (ALOHA). The release volume (54,915 kg) and rate was estimated by an engineering analysis combining semi-quantitative observations and fund
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15

Burger, Lucian Willem. "A high resolution model for multiple source dispersion of air pollutants under complex atmospheric structure." Thesis, 1986. http://hdl.handle.net/10413/9092.

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