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Master's Dissertation
DOI
https://doi.org/10.11606/D.55.2007.tde-11122007-111840
Document
Author
Full name
Ana Cristina Pivem
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2007
Supervisor
Committee
Castelo Filho, Antonio (President)
Mangiavacchi, Norberto
Soares, Cássio Botelho Pereira
Title in Portuguese
Simulação numérica do transporte das propriedades durante o enchimento de compartimentos de reservatórios
Keywords in Portuguese
Formulação semi-lagrangeana
Método de elementos finitos
Modelo de turbulência algébrico
Transporte da temperatura
Transporte das espécies constituintes
Abstract in Portuguese
O enchimento de reservatórios hidrelétricos provoca impactos ambientais, interferindo nos ecossistemas e nos modos de vida das populações envolvidas, pois durante este processo a biomassa terrestre é decomposta lançando substâncias que se concentram nos volumes dos diferentes compartimentos do reservatório. Nestas condições, algumas regiões do reservatório passam por períodos em que os teores de oxigênio dissolvido e a concentração de matéria orgânica comprometem o equilíbrio da flora e fauna locais, afetando tanto a qualidade das águas como também os ecótonos vizinhos. Neste trabalho, será tratado o problema do transporte das concentrações das espécies constituintes, da temperatura e da turbulência, 2D e 2DH, durante o enchimento de compartimentos de reservatórios
Title in English
Numerical simulation of the transport of the properties during the wadding of compartments of reservoirs
Keywords in English
Algebraic model of turbulence
Method of finite elements
Semi-lagrangean formularization
Transport of the constituent specieas
Transport of the temperature
Abstract in English
The wadding of hidroelectric reservoirs provokes ambient impacts, intervening with the ecosystems and the ways of life of the involved populations, because during this process the terrestrial biomass is decomposed launching substances that stay concentrated in the volumes of the different compartments of the reservoir. In these conditions, some regions of the reservoir pass for periods where the texts of dissolved oxygen and the concentration of organic substance compromise the balance of the local flora and fauna, affecting as much the quality of waters as the neighboring ecotones. In this work, will be treated the problem of the transport of the concentrations of the constituent species, of the temperature and the turbulence, 2D and 2DH, during the wadding of compartments of reservoirs
 
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ADissertaFinal2.pdf (1.98 Mbytes)
Publishing Date
2007-12-11
 
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