Escolas de Ensino Superior da Universidade do Estado do Amazonas

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O impacto do aumento de peso da população brasileira na estabilidade de embarcações de pequeno porte para o transporte de passageiros: estudo de caso no Manaus (AM).
(Universidade do Estado do Amazonas, 2024-07-27) Sanches, Ricardo Almeida; Santander, Elvis Jhoarsy Osorio; Ramirez Gutierrez, Ricardo Homero; Hernandez Fontes, Jassiel Vladimir; Barreda Del Campo, Eduardo Rafael
This study aims to investigate the effects of the increase in the average weight of the Brazilian population on the stability of small passenger transport vessels, specifically in the Manaus, Amazonas region. To achieve this objective, the following specific goals were set: to assess the current stability of small passenger vessels, to compare the adoption of passenger weight in the design of other modes of transport, and to analyze the behavior of vessels subjected to weights exceeding the standards. The methodology involved collecting real data from vessels in operation, modeling these vessels, defining loading conditions, and simulating scenarios. Eighteen vessels were analyzed, varying in length from 6.80 to 16 meters and with capacities ranging from 10 to 70 passengers. The evaluation followed the NORMAM 202/DPC premises, considering the combined effects of passenger weight, wind, and sharp turns. The results indicate that the increase in the average weight of the population can compromise vessel stability, with several vessels failing to meet stability criteria when passengers are heavier than stipulated. The Length/Breadth (L/B) and Breadth/Draft (B/P) ratios were crucial in identifying potential problems. Existing vessels may need to reassess their capacities and adjust passenger loads, while new designs should adopt conservative ratios to ensure safety. The conclusion emphasizes the importance of considering the population's weight increase in the regulations of vessels in the Amazon region to ensure passenger safety.