Req 7h — Ocean Energy Systems
Ocean energy systems try to capture useful energy from tides, waves, or temperature differences in ocean water. The ocean holds a lot of energy, but it is also one of the harshest engineering environments on Earth.
Technology improvements
Engineers work on stronger materials, better anchors, better corrosion resistance, smarter control systems, and designs that survive storms while still capturing energy efficiently. Ocean thermal energy conversion systems also require improved heat exchangers and fluid systems.
Cost
These systems can be expensive because installation, maintenance, and repairs in marine environments are difficult. Specialized equipment and limited site suitability also raise costs.
Environmental impacts
Ocean energy can avoid some air-pollution problems tied to fossil fuels, but the systems may affect marine habitats, sediment movement, shipping routes, or fisheries. Environmental review is a big part of any serious project.
Safety concerns
Storm damage, underwater maintenance, electrical hazards, remote work, and marine operations all add risk. Saltwater corrosion is a constant challenge.
U.S. Department of Energy — Water Power Technologies Office Background on marine energy, hydropower, wave and tidal systems, and the engineering challenges involved. Link: U.S. Department of Energy — Water Power Technologies Office — https://www.energy.gov/eere/water/water-power-technologies-officeYou have looked at systems that try to use the power of the ocean. Next, finish the options with one of the most familiar renewable technologies: wind turbines.