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Wave Power

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  Project: Wave Power - Investigation - Sponsor: Mr. Farren and...

The idea of this project is to see how feasible (realistic) it might be to use oscillating water columns (OWCs) on Hispaniola. OWCs are devices that use wave movement to spin a turbine that then generates clean, sustainable electricity.

We need people with knowledge of physics, mathematics, earth science...

The idea in the picture at right (click to enlarge) is an adaptation from some alt energy stuff seen at http://www.wavegen.co.uk/ I've been interested in the idea of OWCs mainly because of their many advantages compared to other types of wave-based generators:
1) simplicity--only one significant moving part (the Wells turbine)
2) fairly low environmental impact (aesthetic and other)
3) does not need to be put out at sea where maintenance and positioning/anchoring become more
difficult
--Having the only moving part on land (turbine) allows for easy maintenance
--Unlike most other wave energy generators, not having moving parts directly exposed to sea water and wave action minimizes wear and tear

If you compare this design to the LIMPET from the Wavegen site, you'll note some diffferences.
One of the biggest issues with the Wavegen LIMPET device is the cost of construction, which then
obviously affects its commercial viability.
This adaptation looks to lower the construction costs significantly by allowing components to be
created off-site (Sinercon?) and by negating the need for expensive civil engineering in the excavation of the
bund wall. The air chamber can be placed directly into the water from land, avoding the need to
tow and position it from the water.

Another idea is to use naturally occuring chambers (blow holes, which we can see all over the
place along the Dominican shore) to act in a similar way, thus, in that location, avoiding the
need to build an artificial air chamber and the crane system needed to hold it in place.


Click to enlarge.
Click to enlarge
Click to enlarge

Get the Sketchup file here.

We need investigators to help us decide whether or not this is a good idea in the Dominican Republic.

To join this project:
If you have already joined our wiki (We Are Key), then send an email to wfarren(at)cms.edu.do. If you have not yet joined, join and tell us that you want to participate in this project.  We need your help!

Big Six Framework (An information problem-solving approach)
[1-Task Definition] - [2-Info Seeking Strategies] - [3-Location and Access] - [4-Use of Information] - [5-Synthesis] - [6-Evaluation]

1- Task Definition:
(1.1-Define the Problem)

Would it be cost-effective to build this OWC design here on Hispaniola? How about Wavegen's design? How about using naturally-ocurring blow-holes to create an OWC?

(1.2-Information needed to complete the task)

Is there enough wave energy here?
What would it cost to build a prototype?
   How much did Wavegen's Limpet cost?
   How much would the enclosure cost?
   How much would a Wells turbine cost?
   How much would labor cost?
   How much would lifting mechanism cost?
How much would it cost for this device to produce energy (per kWh)? How does that compare to today's rates? How will that compare to future rates? How does the fact that it's clean energy lower its overall costs?
And many more...

2-Information Seeking Strategies: 
(2.1-Possible Sources)

Sinercon- Pre-fabricated concrete structures
People at Intec
People at Wavegen
Students at other universities (Oregon?)
And more...

(2.2-Select the best sources)

3-Location and Access
(3.1-Locate sources)


(3.2-Find information within sources)
4-Use of Information
(4.1 Engage in the source (read, listen, view, touch) Ask for help if you don't understand something.
(4.2 Find the important stuff. Take notes.) (Create subpages for this project if needed for more notes space. It's helpful for others to see the notes.)
Notes:

5-Organize your information and present it. Use hyperlinks, pictures, tables, etc. to make your findings clearer.
What did you find out?

Is it feasible here in the Dominican Republic to do this? How about adapting natural blow holes?

 

6-How would you rate the quality of your conclusions? What areas, if any, need more attention?

 





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