Artigos
URI permanente para esta coleçãohttps://rigalileo.itegam.org.br/handle/123456789/219
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Resultados da Pesquisa
Item Análise para diminuição das perdas no processo de Geração de Energia Elétrica da UHE - Balbina.(Instituto de Tecnologia, 2010) ARTEGA, Roland Céspedes; BLANCO, Claudio José Cavalcante; LEITE, Jandecy Cabral.; QUARESMA, João Nazareno NonatoThis article presents an analysis to standardize the performance of the turbines at the Balbina Hydroelectric Plant, located in Amazonas, Brazil, focusing on reducing head losses caused by the obstruction of water intake screens by wood from the flooded forest. The study proposes the installation of a containment net to prevent debris accumulation, minimizing unplanned shutdowns and associated costs with replacement thermal generation.Item Análisis de la Implantación de Programas de Mantenimiento Total Productivo y Mantenimiento Predictivo para Mejoras en la Producción de Energía.(Instituto de Tecnologia, 2011) FONSECA JUNIOR, Milton; BLANCO, Claudio José Cavalcante; MEDEIROS, Adelson Bezerra de; LEITE, Jandecy Cabral; AZEVEDO, Manoel do Socorro dos Santos; ESTEVES, Anderson Fernandes; MACIEL, Paulo Henrique de Lima.; CUNHA, Edinaldo José de SousaThis paper describes procedures related to the implementation of Total Productive Maintenance (TPM) and Predictive Maintenance (MP) strategies in an electric power generation plant. The developed methodology aims to optimize performance and introduce improvements in the energy generation process, based on a case study conducted at an Eletrobrás Amazonas Energia plant. The results include a reduction in Mean Time Between Failures (MTBF) and Mean Time To Repair (MTTR), demonstrating the effectiveness of the applied techniques.Item Analysis of lubricating oil in internal combustion engines of electrical power generation plant. Subtítulo: Análisis de aceite en motores de combustión interna estacionarios de planta de generación de energía eléctrica.(Instituto de Tecnologia, 2010) SANTOS, Gilbert Queiroz dos; LEITE, Jandecy Cabral; BRASIL, Davi do Socorro BarrosThe article presents the application of Fuzzy Logic in the inventory management of a public organization, aiming to reduce material shortages caused by lead time. The study proposes a system based on linguistic variables such as stock level and demand, using membership functions and fuzzy rules to assist in decision-making regarding supply, replenishment, and bidding. The results demonstrate the method's feasibility for optimizing inventory control and minimizing costs.Item AVALIAÇÃO DOS SISTEMAS LOGÍSTICOS PARA ADEQUAÇÃO DE WIP NAS INDÚSTRIAS DE ELETRO-ELETRÔNICOS DO POLO INDUSTRIAL DE MANAUS(Instituto de Tecnologia, 2010) VILHENA, Fábio André de Farias; SOARES, José Josimar; BATISTA, Clauderino da SilvaThis work studied a method of economic viability between transport modes for electro-electronic inputs between Asia and Manaus, aiming to choose the best alternative based on cargo weight and unit value, seeking to improve the competitiveness of companies in the Manaus Industrial Pole (PIM). Transport times, costs, intermodal and multimodal interactions were analyzed using indicators such as Future Liquid Value (VFL) and Efficiency/Cost (E/C). It was concluded that the maritime mode is more viable for cargo with values below 50R$, while high-value cargo requires specific analysis between air, multimodal, and maritime modes.Item A aplicação da lógica fuzzy para avaliação do produto canote do garfo(Instituto de Tecnologia Galileo da Amazônia, 2010) SANTOS, Ruy Sidney Nascimento dos; COSTA JÚNIOR, Carlos Tavares da; COSTA JÚNIOR, Carlos Tavares daWith technological advancements, the engineering sector has been seeking solutions that offer positive results for the growth of their companies or organizations. Simulation methods for evaluating the mechanical behavior of products subjected to static and dynamic loads are extremely necessary to reduce manufacturing costs. The use of mechanical and virtual tests is of vital importance for product evaluation. This study aimed to apply fuzzy logic to a product called the bicycle fork steerer tube, analyzing both the degree of membership varying between 0 and 1 and the degree of truth also varying between 0 and 1, with the main focus on the behavior of the steerer tube and its validation.Item Análise ergonômica aplicada aos processos industriais relacionada a trabalho em ambientes à altas temperaturas(Universidade Federal do Pará, 2010) PINHEIRO, Jaqueline Silva de Souza; FARIAS, Marlene Araújo de; LEITE, Jandecy Cabral.; NASCIMENTO, Manoel Henrique ReisThe major industry sector in Manaus is represented by electro-electronic industries, but only a part of them has a suitable ergonomically workplace. In the case of metallurgic industries, their working conditions are not suitable due to a series of factors, such as exposure to high temperatures, which cannot be cooled, creating adverse conditions like thermal shock and fatigue. This paper's general goal is to describe the importance of preserving workers' mental and physical health in the workplace through ergonomics. The study presents improvement suggestions and advice that may contribute to solving ergonomic problems related to workers' health.