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Description:The goal of the project was to finish the construction of a Wave Powered Water Pump (WPWP) from the previous year’s work and deploy the system in random seas. The WPWP moves nutrients from a lower depth to the surface in a sustainable way using wave energy to help kelp aquaculture produce at a faster rate. This year the team performed multiple tests in the UNH Chase engineering tank to ensure the system’s ability to pump water. Throughout the process of completing construction, the team developed different methods to ensure the WPWP was watertight and that the inner cylinder of the spar was kept from filling with water by testing different options to fill the space with foam. The team deployed and tested the WPWP outside the mouth of the Piscataqua River in New Hampshire in approximately 60 feet of water with the help of the R/V Gulf Challenger. The final system resulted in a flow rate of approximately 2.5 gallons per minute in 1 to 3 foot waves.
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Sea Grant Document Number:UNHMP-OP-SG-21-03
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Rights Information:CC0 Public Domain
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Compliance:Submitted
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