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Tim Tschetter AHERC InternAugust 2014Alaska Center for Energy and Power

Wave Energy Resource Assessment & Multibeam Sonar Training

1Internship Recap

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Yakutat Wave Energy Assessment2

Diesel generators supply 100% of electricityAverage cost of electricity is $0.60/kWh

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Yakutat Wave Energy Assessment3

Resolute Marine Energy holds a FERC permit for YakutatShown here is a prototype of their wave energy converterThis technology is pre-commercial

http://www.kcaw.org/2014/03/09/yakutat-prepares-to-try-out-wave-generated-power/

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Phase 1) ADCP Wave Data Acquisition

Yakutat Wave Energy Assessment4

http://www.rdinstruments.com/waves.aspx

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Yakutat Wave Energy Assessment5

H sig (m)

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Phase 2) Wave modeling with

Yakutat Wave Energy Assessment6

Waves change height and direction due to changes in water depthModeling waves to find optimum placement of the wave energy converters to:Maximize energy recoveryMinimize risk of damage to converters

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Yakutat Wave Energy Assessment7Purple = Extent of NOAAs existing bathymetric surveys (outside Yakutat Bay)White box = Approximate extent of Resolute Marines FERC permit

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Yakutat Wave Energy Assessment8

Preliminary 1D results Using linear bottom slopeADCP data is used for offshore boundary condition

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During spring of 2013, AHERC acquired a Reson Seabat Multibeam Sonar

Multibeam Training9

http://www.gserentals.co.uk/details.aspx?product=180

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Multibeam Training10

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Multibeam Training11

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Multibeam Training12

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Thank you to Jeremy Kasper, the AHERC team, and all of ACEP for supporting me during this internship.

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