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Feasibility study of the application of aluminium as an inductor of a solenoid valve

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Resumo:Copper has been and continues to be the preferred and commonly used conductive material for coil windings for the production of solenoids. However, the constantly rising and unstable cost of copper has attracted the company's interest in the search for other alternative conductive materials. One of these options is aluminium, given its significantly lower price. Therefore, the present work was developed to study the possibility of incorporating an aluminium solenoid into one of the company's solenoid valve models. In an initial phase, a theoretical foundation is created in order to describe the electromagnetic operation of a solenoid valve. Then, a literature review is done on aluminium as an alternative electrical conductor to copper, identifying, in general, the advantages and implications that this incorporation of aluminium has and could have. After that, a solenoid valve from the company's product model is selected, for which aluminium coils are designed considering different enamelled magnet wire diameters and two different design approaches, in an attempt to ensure the same magneto-motive force as the original copper coil. From the coils designed, five of them that can be implemented are selected to be analysed and tested on the valve in hand. And, to evaluate the electromagnetic performance of the different coils, magnetic simulations are performed with Ansys Maxwell software. In the next phase, prototype valves are built and functionally tested, with some of the coils designed integrated, and for which the results of the simulations have been validated. Still establishing the impacts of the use of aluminium, the temperature increase between copper and aluminium coils is also monitored. Next, the numerical and experimental results obtained are analysed and discussed, and then compared with those of the original valve. Additionally, a perspective on the impact of adopting aluminium on the final cost of the valve is also presented. Lastly, in complement to the results obtained, some alternative design proposals are analysed for aluminium coils that require a redesign of the original valve, based on achieving an equivalent performance.
Autores principais:Alves, Gabriel Filipe Araújo
Assunto:Aluminium coils Solenoid valve Magneto-motive force Enamelled magnet wire Equivalent performance Bobines de alumínio Válvula solenoide Força magneto-motriz Fio magnético esmaltado Desempenho equivalente
Ano:2025
País:Portugal
Tipo de documento:dissertação de mestrado
Tipo de acesso:acesso embargado
Instituição associada:Universidade do Minho
Idioma:inglês
Origem:RepositóriUM - Universidade do Minho

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