Sea Technology

APR 2018

The industry's recognized authority for design, engineering and application of equipment and services in the global ocean community

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10 ST | April 2018 environment. One fundamental solution to de-risk the development of new technologies is to provide devel- opers with a place to test their devices in ocean waters, close to shore near infrastructure, a ready supply chain and a capable workforce, to facilitate commercialization. I mproving energy output while preserving the environ- ment is a worldwide priority. The call to develop renew- able sources of energy has been heard globally. The Intergovernmental Panel on Climate Change's (IPCC) Fifth Assessment Report published in 2014 con- cluded, with 95 percent certainty, that the human influ- ence on the climate system is clear and is evident from the increasing greenhouse gas concentrations in the at- mosphere, positive radiative forcing, observed warming, and an improved understand- ing of the climate system. To slow global climate change, 174 countries so far have rat- ified the Paris Agreement, which came together with the international acknowledgment that something must be done about the warming climate. In this context, many countries are seizing the opportunity to replace dirty and dangerous fuels such as nuclear power, coal and other fos- sil fuels with clean, renewable sources such as solar, geothermal, biomass and wind. Ocean energy is seen as a large, untapped fron- tier with initial successes demonstrated in Europe in the form of large offshore wind farms, with more mod- est testing and demonstrations of nascent wave and tidal technologies. Considerably more in-water testing will be required to move tidal and wave energy to the stage that offshore wind is at today. The Marine Renewable Energy Collaborative (MRE- Co), a nonprofit dedicated to the sustainable develop- ment of renewable energy in New England waters, has taken up the challenge to connect ocean energy re- searchers, designers, policy analysts, engineers and oth- er stakeholders in the interest of developing marine re- newable energy. MRECo has learned from its work with stakeholders that there are many risks and high costs to developing devices that can survive in the harsh ocean Bourne Tidal Test Site BTTS Now Ready for Partial-Scale Device Testing By Stephen B. Barrett • Maggie L. Merrill • John R. Miller Data showing where the water turbulence is most favor- able within the allowable site area. Current velocity has been measured at 2+ m/s (3 to 4 kt.). (Image Credit: WaterCube Inc.)

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