ISEL - Eng. Mecan. - Livros
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Browsing ISEL - Eng. Mecan. - Livros by Author "Gaspar, José F."
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- Prototyping and wave tank testing of a floating platform with point absorbersPublication . Kamarlouei, Mojtaba; Gaspar, José F.; Calvário, M.; Hallak, Thiago S.; Soares, Carlos Guedes; Mendes, Mário J. G. C.; Thiebaut, FlorentThe main aim of this paper is to present the experimental results of a concept of a platform, with several point energy absorbers. A floating circular array of point absorbers, in 1-27 scale, was tested in the wave tank. The hydrodynamic behavior of the platform was studied in different configurations. Moreover, the performance of the platform was assessed in different sea states with and without point absorbers attached to the platform.
- A review of fault tolerant design in wave energy convertersPublication . Kamarlouei, Mojtaba; Gaspar, José F.; Guedes, Carlos; Cruz, B. F.; Mendes, Mário J. G. C.The main objective of this pape is to presente a review on typical faults including the actual development and application of the fault tolerant design techniques in WEC systems and subsystems. Also, various WEC devices are studied and categorized in three diferente maintenance levels based on the defined criteria in maintenance standard. In this paper, the oscillating body and structure, power take-off system and transmission units, control,safety and survivability units are considered as the essencial componentes of the WEC for fault and failure study. Moreover, several faults are identified and fault tolerant design techniques are proposed for these systems. Moreover, several faults are identified and fault tolerant design techniques are proposed for these systems.