Figure 4.5 Temperatures in an OTEC designed by Lockheed.

tTo gain an idea of how much water is pumped, consider a 25 X 12 m competition swimming pool. The warm water pump of the Lockheed OTEC under discussion would be able to fill such a pool in less than 2 seconds!

tt MWt stands for thermal power, whereas MWe stands for electric power.

4.5 Example of OTEC Design 147 Table 4.1 Internal Power Use in the Lockheed OTEC

Condensate pump(recirculates ammonia)

Reflux pump (recirculates ammonia that failed to evaporate)

Warm water pump

Cold water pump

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