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Ocean Wave Energy - Oregon State University

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					   Oregon State University School of Electrical Engineering and Computer
   Science
          Lead Professors:
                Annette von Jouanne, Ph.D., P.E., Ted Brekken, Ph.D.


                                        Proposed U.S. Wave Energy Research Center in Newport, Oregon

   - Oregon and Oregon State University are ideally located with some of the best wave energy
   potentials world wide.

   - OSU has three key laboratories available to advance wave energy research.




Wallace Energy Systems                                                                   Hinsdale Wave                           Hatfield Marine
and Renewables Facility                                                                Research Laboratory                       Science Center



   SeaBeav testing                                                                      Oregon State University researchers are
                                                                                        pursuing “direct drive” technologies, where the
                                                                                        force and velocity of the water is directly
                                                                                        coupled to electrical generation without
                                                                                        intermediate hydraulics or pneumatics.

                                                                                        Survivability is paramount for ocean energy
                                                                                        devices. By removing intermediate conversion
                                                                                        stages, overall system efficiency and reliability
                                                                                        can be increased.

                                                                                        Several Oregon State University wave energy
                                                                                        devices use magnetic flux linkage across a
                                                                                        seawater airgap. This removes the need for
                                                                                        watertight moving seals.




 Oregon Coast Wave Power Profile                                                                      Wave power devices have low profiles.
                       70

                       60                                                                                                        At 1 to 3 miles off
                                                                                                                                                          Ocean , dock side, and Linear Test Bed testing of the 1
    Wave Power, kW/m




                       50                                                                                                        shore, they are
                       40
                                                                                                                                 virtually unseen by      kW Sea Beav I in fall and winter of 2007
                                                                                                                     75m




                       30
                                                                                                                                 the naked eye.           The ocean testing was in approximately 150 feet of
                       20

                       10                                                                                       3m
                                                                                                                                                          water, 1.5 miles off the coast of Newport, OR.
                        0
                            1   2   3    4   5   6   7    8   9     10   11   12
                                                 Months                                                                                                   Currently 5 low power prototypes (200 W) are being
                                                                                                                                                          constructed. They will be tested on the Linear Test
With only a small percentage of coastline on                                                          Data buoys are 2-200mi off shore, with waves
                                                                                                                                                          Bed. The most promising of the low power prototypes
the Oregon coast, Up to 2000MW could be                                                               traveling 15-20mph, gives 10+ hours forecast
provided with no additional transmission                                                              time
                                                                                                                                                          will be built to 1 kW and tested in the ocean in the
requirements (can take advantage of                                                                                                                       summer of 2008.
existing infrastructure).




                                                                                                                                                          Ocean Wave Energy Modeling and Engineering                               Fluid Structure Interaction
                                        10kW Linear Test Bed
     Prototype and pre-                                                                                                                                                                                                                             Preliminary 3D Results
                                                                                                                                                          - Wave modeling with computational Fluid dynamics (CFD)
 deployment linear device                                                                                                                                                                                                          T=2.5s,
testing for optimization and                                                                                                                              - Advanced magnetic circuit modeling                                     Hs=0.1m
  comparison of promising                                                                                                                                                                                                          Generated by
        technologies.                                                                                          Hatfield Marine Science Center                                                                                      Piston wave-
                                                                                                                    Wave Energy Display                                                                                            maker
 Creates the relative linear
  motion between a center                                                                                                                                                                                                          CFD Results
                                                                                                                                                                                                                                   coupled to
  “spar” and a surrounding                                                                                                                                                                                                         Generator load   Buoy heaving in
“float” (active components).                                                                                                                                                                                                       to predict       waves
  Enables dynamic testing,                                                                                                                                                                                                         dynamic force
     using captured wave                                                                                                                                                                                                           interactions.
  profiles, while simulating
    the actual response of
         ocean waves

                                                                  Design: Mundt and Associates Inc.
Specifications:
                                                                                                               Inform the public on
 10kW with a 50% efficient device, and up to 19kW @ 95%                                                       ocean wave energy
efficiency                                                                                                     - Features a
                                                                                                               transverse flux linear
                                                                                                                                                                         CONTACT INFORMATION
                                                                                                                                                                                                                     Ocean Wave Energy Collaborators
 1m/sec @ 20,000 N Thrust (4500 lbf)
                                                                                                               generator prototype
 2m/sec @ 10,000 N Thrust (2250 lbf)
                                                                                                               - Two mini-wave
 Modes: Velocity, Point-Point, & Force Control (through feedback                                              flumes with
from load cells/force meters)                                                                                  actuators
                                                                                                                                                       Wallace Energy Systems and Renewables Facility (WESRF)
 2m relative motion/stroke (6.5 feet)                                                                         - Lots of fun                                School of Electrical Engineering and Computer Science,
                                                                                                               Education for the                                        1148 Kelley Engineering Center
Upper & Lower Gimbal mounting (for alignment variation)                                                       kids                                         Oregon State University, Corvallis, OR 97331-5501
                                                                                                                                                                                                                            ODOE


14ft tall x 10.5ft wide x 8.5ft deep                                                                                                                         Web Page: http://eecs.oregonstate.edu/wesrf
                                                                                                                                                                                                                                          BPA

				
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Description: Ocean Eneargy - Wave Energy