05. Unidade Acadêmica do Cabo de Santo Agostinho (UACSA)
URI permanente desta comunidadehttps://arandu.ufrpe.br/handle/123456789/2908
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Resultados da Pesquisa
Item Dimensionamento do grupo moto-propulsor de um aeromodelo(2024-02-19) Batista, Leonardo Henrique Tavares; Simões, Thiago Araujo; http://lattes.cnpq.br/7903824177570749; https://lattes.cnpq.br/1898774956397470Aviation stands out as one of the essential pillars in modern society, offering individuals mobility, convenience, and comfort. In this aspect, aeromodels, representing the first step in the aviation journey, are the subject of study in this work. A crucial aspect in the construction of these aeromodels is the powerplant assembly, formed by the engine and the propeller. This study explores the process of determining the performance of this assembly for aircraft development. Using software such as Excel and Propeller Selector, data were obtained for the elaboration of aircraft performance analyses. These data, along with others provided by different aircraft areas, included coefficients of lift, drag, among other parameters. Through detailed calculations, a comprehensive analysis of the aircraft's performance was conducted in different flight phases, from takeoff to landing, always in compliance with FAR-Part 23 regulations. The motor selected for the project was the electric model D3542, while the chosen propeller had a diameter of 13 inches and a pitch of 7 inches. With these specifications defined, it was possible to evaluate the vehicle's performance to operate with a total weight of 12 kg. This analysis was essential to ensure efficient and safe flight operations, contributing to the continuous advancement of aviation and aerospace technology.Item Influência da adubação com lodo do tratamento de esgoto doméstico no cultivo de feijão e milho(2021-03-01) Lyra, Gabriel Rigaud Figueirôa; Silva, Robson José; http://lattes.cnpq.br/7515677435963888; http://lattes.cnpq.br/3958782513733383In the biological stage of sewage treatment, part of the organic matter degraded by microorganisms is converted into biomass, which constitutes the biological sludge or secondary sludge. Currently, the most used alternative for final disposal of sludge in Brazil is sending it to landfill, due to the low operational cost involved. However, this technique does not include the nutritive and/or energetic potential of the sludge. That said, this study evaluated the use of sludge from domestic sewage treatment in the cultivation of cowpea bean seedlings (Vigna unguiculata (L.) Walp., Cultivar IPA 206) and corn (BRS Gorotuba), compared to the use of chemical fertilizers. The experimente for each culture was conducted in a greenhouse and set up in a completely randomized, with 4 treatments and 3 repetitions, using pots containing 10 kg of soil. The two cultivations were carried out in parallel. The 4 treatments applied were: without fertilization, chemical fertilizer (NPK), lime sludge and composted sludge (T0, T1, T2 and T3, respectively). Among the performance parameters analyzed, in both crops, T1, T2 and T3 treatments presented plants with equivalent physical aspects (plant height and stem diameter). With regard to beans, the treatment T3 stood out for the amount of pods per plant, being about 125% higher than others, and for the higher performance in the weight of 100 beans (29.67g). For corn, treatments T1, T2 and T3 achieved equivalent performance. However, T3 obtained the highest numerical averages in all parameters of this cultivation. Finally, it was observed that the treatment with the greatest influence, in both crops, was T3, reaffirming the great potential of composted sludge