Mestrado em Engenharia Ambiental e Sanitária (EEC)
URI Permanente para esta coleção
Navegar
Navegando Mestrado em Engenharia Ambiental e Sanitária (EEC) por Por Programa "Programa de Pós-graduação em Engenharia Ambiental e Sanitária (EECA)"
Agora exibindo 1 - 2 de 2
Resultados por página
Opções de Ordenação
Item Avaliação de soluções de manejo de águas pluviais baseadas na natureza em loteamento urbano(Universidade Federal de Goiás, 2023-10-25) Chagas, Isabela Moura; Basso, Raviel Eurico; http://lattes.cnpq.br/2827247646651873; Basso, Raviel Eurico; Formiga, Klebber Teodomiro Martins; Swarowsky, AlexandreWorldwide urban growth is continuous, accompanied by an increase in impermeable areas. This results in a reduction of evapotranspiration and water infiltration capacity into the soil, leading to increased surface runoff and negatively impacting the environment and public health. Currently, nature-based stormwater management solutions seek to mitigate these negative impacts of urbanization. This study aimed to determine, through a hydrological model, the performance of these solutions in an urban development with a high percentage of impermeable area. Considering the literature review, municipal regulations, and design criteria, green roofs and cisterns were selected as nature-based solutions to be modeled using the SWMM software. The research was conducted in five stages, including literature review and selection of nature-based solutions, selection of the study area, acquisition of secondary data, evaluation of the hydrological performance of the proposed scenarios, and assessment of the impact on the conventional drainage system. The performance evaluation included selecting SWMM variables, designing the drainage network, analyzing input data, scenario development (isolated and combined techniques), SWMM application, and analysis and comparison of results. Ten simulations were carried out with different scenarios, including the implementation of isolated and combined techniques and variations in the degree of soil impermeability. The research investigated the behavior of green roofs and found that their implementation alone reduced surface runoff by 15.5% and peak runoff by 19.7%. The isolated cistern also contributed, but to a lesser extent, with a reduction of 8.5% in surface runoff and 4.3% in peak runoff. However, the combination of the two solutions showed a more effective synergy, achieving a reduction of 20.2% in surface runoff and 22.2% in peak runoff. The results also confirmed that the degree of impermeability of the soil is inversely related to its capacity to infiltrate rainwater.Item Estimativa do potencial eólico a partir de experimento em túnel de vento utilizando placa plana de camada limite(Universidade Federal de Goiás, 2023-12-21) Maia, Cássia Silva de Azevedo; Fagundes Neto, Marlipe Garcia; http://lattes.cnpq.br/6303674803792521; Mariano, Felipe Pamplona; http://lattes.cnpq.br/4538460201961283; Mariano, Felipe Pamplona; Vasco, Joel Roberto Guimarães; Moreira, Leonardo de QueirozConcern about environmental imbalances is frequent throughout the world and investment in clean and renewable energy is increasing progressively. The assessment of wind resources becomes increasingly challenging, as it takes into account environmental parameters, such as climate fluctuations, in addition to financial expenses in feasibility studies for the construction of wind farms. For these studies, the estimation of wind potential uses numerical and experimental models as a complement to field measurements. This work refers to the experimental study in a wind tunnel made, available by FURNAS of the atmospheric boundary layer variation from an apparatus known as a flat boundary layer plate, which contains installed pressure probes and a flap mechanism installed on the trailing edge. Different combinations of angles (-10°, +10°, 0°, -20°, +20°) and velocities (6, 13, 20, 26 and 33 m.s-1 ) were made. The results obtained show that, when modifying the flap positioning angle, the boundary layer generated on the plate undergoes significant changes. When analyzing the angle separately for each speed, the boundary layer generated is significantly different for all speeds studied. The wind potential was better at high speeds and had a slight increase at negative flap angles.