Utilize este identificador para referenciar este registo: http://hdl.handle.net/10362/5118
Título: Modelling a cable structure for a new wind energy production device
Autor: Calvário, Miguel Pita Soares da Fonseca
Orientador: Teixeira, Jorge
Pardal, Tiago
Palavras-chave: Mechanical system
Cable
Modulation of finite elements
Data de Defesa: 2010
Editora: Faculdade de Ciências e Tecnologia
Resumo: The following thesis subject is based on the identification and dimensioning of the main mechanical components of the ground station of Boreas prototype, as well as a three-dimensional finite element analysis of structural cable that connects the ground station to the module's air system. The module powered by a lift force pulls a cable that drives a mechanical system which in turn drives a generator during the productive phase of the energy cycle. In the other phase, the system inverts the turn and energy is consumed. The production of energy should be greater than the energy consume. The dimensioning of main mechanical components of ground station includes: flywheel, cable, capstan drum and winder drum. Structural analysis of the cable is performed with an algorithm based on a three-dimensional finite element analysis, which allows the control of cable tension on the end of capstan, prevent the rupture of cable, avoid high forces on bearings and the shock between the rope and the ground. The results of programme developed with the algorithm, are compared with the results obtained by an analytical approach and with commercial software of finite elements. This thesis contributes to the realization of mechanical components included in the prototype.
Descrição: Dissertação apresentada na Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa para obtenção do grau de Mestre em Engenharia Mecânica Especialização em Concepção e Produção
URI: http://hdl.handle.net/10362/5118
Aparece nas colecções:FCT: DEMI - Dissertações de Mestrado

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