Reservoir Operation
Mostrando 13-24 de 77 artigos, teses e dissertações.
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13. Efeitos de sistemas de operaÃÃo e condiÃÃes ambientais na abundÃncia de Hoplias aff. malabaricus (Bloch, 1794) em reservatÃrios neotropicais: um estudo de caso no Rio IguaÃu / Effects of systems operation and environmental conditions in the abundance of Hoplias aff. malabaricus (Bloch, 1794) in neotropical reservoirs: a case study in the IguaÃu River
Esse trabalho teve por objetivo investigar mecanismos reguladores da abundÃncia populacional Hoplias aff. malabaricus em reservatÃrios neotropicais, bem como os efeitos dos diferentes tipos de sistemas de operaÃÃo. Para iss os peixes e variÃveis limnolÃgicas foram coletados bimestralmente entre julho de 2003 Ã janeiro de 2010 de peixes e variÃveis li
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 27/09/2010
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14. Análise da viabilidade técnico -econômico -ambiental da operação do sistema elevatório Tietê -Billings no suprimento de água e eletricidade na Região Metropolitana de São Paulo / Analysis of technical feasibility, economic and environmental operation of the lift system Tietê-Billings in the supply of water and electricity in the metropolitan region of São Paulo
O presente estudo analisa a água da bacia do alto Tietê, tanto como insumo na forma de água potável produzido em oito Estações de Tratamento de Água (ETA), quanto insumo na forma de energia hidráulica, ou ainda, como água residuária gerada por diferentes atividades de origem antrópica. O maior problema desta bacia é a água residuária que é lan
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 23/03/2010
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15. Estudo do potencial da técnica de nanossísmica para o monitoramento de hidrofraturamento em reservatórios de hidrocarbonetos
Hydraulic fracturing is an operation in which pressurised fluid is injected in the geological formation surrounding the producing well to create new permeable paths for hydrocarbons. The injection of such fluids in the reservoir induces seismic events. The measurement of this reservoir stimulation can be made by location these induced microseismic events. Ho
Publicado em: 2010
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16. STOCHASTIC DYNAMIC PROGRAMMING AND CONVEX HULL ALGORITHM IN THE HYDROTHERMAL SYSTEMS OPERATION PLANNING / PROGRAMAÇÃO DINÂMICA ESTOCÁSTICA E ALGORITMO DE FECHOS CONVEXOS NO PLANEJAMENTO DA OPERAÇÃO DE SISTEMAS HIDROTÉRMICOS
This thesis presents a new approach for the expected-cost-to-go functions modeling used in the stochastic dynamic programming (SDP) algorithm. The proposed technique is applied to the long-term operation planning of electrical power systems. Using state space discretization, the convex hull algorithm is used for constructing a series of hyperplanes that comp
Publicado em: 2010
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17. Metodologia para monitoramento da qualidade da água de reservatórios utilizando sensoriamento remoto / Methodology for monitoring water quality of reservoirs using remote sensing
Water quality is one of the greatest challenges of the twenty-first century man, keep fresh water available, clean and safe water is one way to ensure good quality of life. Obtain means of monitoring the entry of pollutants, pesticides, industrial and domestic sewage, solid waste and sediments in reservoirs and other aquatic environments are essential to the
Publicado em: 2010
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18. Bio socio economic evaluation of artisanal fisheries of Barra Bonita reservoir (SP) / Avaliação biossocioeconômica das pescarias artesanais da represa de Barra Bonita (SP)
The artisanal or small scale fisheries are practiced in small reservoirs, with an operation area restricted and familiar labor. It´s common in inland waters and the fish caught is an important source of protein for people who depend on them and provide economic returns to the fisher, despite the presence of intermediaries in the marketing of fish. The Barra
Publicado em: 2010
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19. Valor da informação incorporando flexibilidade operacional / Value of information incorporating operational flexibility
At the beginning of field development, many questions regarding the reservoir structural model still remain and it is necessary to mitigate this uncertainty and associated risk before the final field development plan proposition. Mitigation of risks and uncertainties can be done in two ways: through additional information acquisition and operational flexibil
Publicado em: 2010
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20. Subsídios à operação de reservatórios baseada na previsão de variáveis hidrológicas
Diversas atividades humanas são fortemente dependentes do clima e da sua variabilidade, especialmente aquelas relacionadas ao uso da água. A operação integrada de reservatórios com múltiplos usos requer uma série de decisões que definem quanta água deve ser alocada, ao longo do tempo para cada um dos usos, e quais os volumes dos reservatórios a ser
Publicado em: 2010
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21. Sistema de captaÃÃo de energia solar para uma torre de dessalinizaÃÃo tÃrmica com recuperaÃÃo de calor / System of captation of solar energy for a tower of thermal dessalinizaÃÃo with heat recovery
This dissertation presents the experimental result of a system to absorb solar energy to heat up a desalination tower with heat recovery mechanism and a change made in the heated water distribution at the heat storage tank. The system to absorb solar energy consists of solar thermal flat plate collectors for high temperatures and it responsible for the conve
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 02/09/2009
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22. Optimal paths for minimizing lost available work during heat transfer processes with a generalized heat transfer law
A common of finite-time heat transfer processes between high- and low-temperature sides with a generalized heat transfer law [q ∝ (Δ(Tn ))m] are studied in this paper. The optimal heating and cooling configurations for minimizing lost available work are derived for the fixed initial and final temperatures of the working fluid of the system (low-temperatur
Brazilian Journal of Physics. Publicado em: 2009-03
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23. New solution for the problem of air dissolution in hydropneumatic reservoir. / Nova solução para o problema da dissolução de ar em reservatório hidropneumático.
This work proposes to present a new solution for the problem of the air dissolution in hydropneumatic reservoir. In the introductory chapter are presented information and characteristics about hydropneumatic reservoir, mainly the ones related to his operation. In this chapter it is commented about the main solutions used to overcome the problem of the air di
Publicado em: 2009
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24. Real-time optimization of water supply system operation / Otimização energética em tempo real da operação de sistemas de abastecimento de água
This work presents a computational model for real-time optimization of water-distribution networks operation. An integrated software tool has been developed which is composed of three main modules: (i) a hydraulic simulator that performs the extended period simulation of the system (EPANET); (ii) a short-term demand-forecasting model, based on the moving Fou
Publicado em: 2009