Monday, November 03, 2008

TE 303 - HW #6, P5 - Maximum Efficiency of an OTEC Power Plant - 8 pts

Ocean temperature energy conversion (OTEC) power plants generate power by utilizing the naturally occurring decrease with depth of the temperature ocean water. Near Florida, the ocean surface temperature is 27oC while at a depth of 700 m the temperature is 7oC. Determine the maximum possible thermal efficiency for any power cycle operating between these two temperatures. The thermal efficiency of existing OTEC plants is approximately 2%, so compare this value with your result. In your analysis section (4 pts), also comment on whether you think that OTEC power plants are viable alternatives to existing power plants.

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