Thesis BOMBEO DE AGUA DE MAR CON ENERGÍA UNDIMOTRIZ
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Date
2018
Authors
CABRERA FERNÁNDEZ, ELIECER BASTIÁN
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Abstract
En este trabajo se estudia y analiza la factibilidad técnica de bombear agua salada de mar en función a la energía de las olas por medio de dos sistemas de captación que corresponden a un “comeolas”, que es un dispositivo que por medio de una válvula anti retorno acumula la energía de las olas, y una “bomba de ariete marina”, que aprovecha el fenómeno del golpe de ariete formado por el impacto de las olas con una válvula de choque.Se diseña y fabrican prototipos con los cuales se realizan mediciones y modelos matemáticos que permitan escalar los dispositivos para evaluar sus ventajas y desventajas.Se diseñan dos soluciones que permiten bombear agua de mar a 25 metros sobre el nivel del mar con los dispositivos estudiados, concluyendo el potencial de la “bomba de ariete marina” como una tecnología atractiva y adecuada para este fin pese a las dificultades de su futura instalación.Finalmente se realizan simulaciones numéricas por medio del software comercial Ansys Fluent para respaldar los modelos matemáticos y las parametrizaciones de las soluciones.Se concluye la factibilidad de ambos dispositivos para el bombeo de agua de mar a diferentes alturas presentando los resultados en función de la profundidad del agua bajo el nivel del mar para la región de Valparaíso, obteniendo resultados relevantes para el aprovechamiento energético sobre los 10 metros de profundidad.
This paper studies and analyzes the technical feasibility of pumping seawater through on the energy of the waves by means of two catchment systems that correspond to a "comeolas", which is a device that by means of an anti-valve return accumulates the energy of the waves, and a "sea ram pump", which takes advantage of the phenomenon of water hammer formed by the impact of waves with a shock valve.Prototypes are designed and manufactured with which measurements and mathematical models are made to scale the devices to evaluate their advantages and disadvantages.Two solutions designed to pump seawater at 25 meters above sea level are designed with the devices studied, concluding the potential of the "sea ram pump" as an attractive and appropriate technology for this purpose despite the difficulties of its future installation.Finally, numerical simulations are carried out using Ansys Fluent commercial software to support the mathematical models and parameterisations of the solutions.The feasibility of both devices for the pumping of seawater at different heights is concluded, presenting the results based on the depth of the water below sea level for the Valparaíso region, obtaining relevant results for the energy use over the 10 meters of depth.
This paper studies and analyzes the technical feasibility of pumping seawater through on the energy of the waves by means of two catchment systems that correspond to a "comeolas", which is a device that by means of an anti-valve return accumulates the energy of the waves, and a "sea ram pump", which takes advantage of the phenomenon of water hammer formed by the impact of waves with a shock valve.Prototypes are designed and manufactured with which measurements and mathematical models are made to scale the devices to evaluate their advantages and disadvantages.Two solutions designed to pump seawater at 25 meters above sea level are designed with the devices studied, concluding the potential of the "sea ram pump" as an attractive and appropriate technology for this purpose despite the difficulties of its future installation.Finally, numerical simulations are carried out using Ansys Fluent commercial software to support the mathematical models and parameterisations of the solutions.The feasibility of both devices for the pumping of seawater at different heights is concluded, presenting the results based on the depth of the water below sea level for the Valparaíso region, obtaining relevant results for the energy use over the 10 meters of depth.
Description
Catalogado desde la version PDF de la tesis.
Keywords
BOMBA ARIETE MARINA , DESALINIZADOR , ENERGIA UNDIMOTRIZ