Abstract
The paper proposes an innovative solution to transport workers of offshore oil production platforms from the coast to their units, which operate at the Pre-Salt exploration, 300 km from the coast. A passenger submarine concept design was developed, justified by the range of practical obstacles observed in the current modes of transportation, helicopters and supply boats. Requirements like operational depth (100 m), passenger capacity (250 people), and cruising speed (minimum 13.4 knots) are defined, based on estimates. Firstly, it seeks the adoption of air-independent propulsion (AIP) systems, by fuel cells (PEMFC). However, the work progress leads to an entire electric propulsion system. The internal arrangement is elaborated, regarding passenger comfort, structural constraints, allocation of batteries and ballast tanks. Then, after a hydrodynamic hull optimization, by Computational Fluid Dynamics analysis, we provide a final configuration with 100-m length and 9.7-m diameter, operational speed of 16 kt, and autonomy of 26 hours.
Highlights
El documento propone una solución innovadora para el transporte de los trabajadores de las plataformas de producción de petróleo en alta mar a sus unidades, que operan en la exploración pre-sal, a 300 kilómetros de la costa
The analysis focuses on the conditions of null buoyancy. e spiral begins with the veri cation of the balance between submerged displacement, weight, and ballast. en, the work proceeds to dimensional estimates. e de nition of hull form permits estimating water resistance at a proposed speed. e analysis of a series of helices enables hull-propeller-motor interaction
Passenger Submarine Concept Design for Oil Production O shore Systems the creation of an alternative approach, represented by Figure 1. e new sequence of activities begins with the proposal of the internal arrangement, the leading element related to people transportation
Summary
Two alternatives exist, supply boats and helicopters. ese possibilities, face a series of setbacks. Alternative Proposal e spiral design for submarines waspresented by Jackson (1992). The analysis focuses on the conditions of null buoyancy. E de nition of hull form permits estimating water resistance at a proposed speed. With the propulsion subsystems estimated, the internal arrangement of the hull is elaborated, analyzed in terms of weight distribution and structural aspects. A range of submerged transition alternative proposals are being developed to solve the boarding issues. In this project, in which the strictly military modules are discarded and new modules for passenger accommodation have to be developed, there is no way to rely on the initial estimates of weights presented in the literature. In which the strictly military modules are discarded and new modules for passenger accommodation have to be developed, there is no way to rely on the initial estimates of weights presented in the literature. is fact implies
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