| Summary: | This report describes a set of experiments in a physical model study to explore plume transport and recirculation potential for a range of generic Ocean Thermal Energy Conversion (OTEC) plant designs and ambient conditions. Tests were conducted in a thermally-stratified 12 m x 18 m x 0.6 m basin, at an undistorted length scale ratio of 1:300, which allowed the upper 180 m of the ocean to be studied. Conditions which have been tested include a range of plant sizes (nominally 200 MWe - 600 MWe); a range of discharge configurations (mixed vs. non-mixed evaporator and condenser flows, multiple vs. radial slot discharge port(s), variation of discharge-intake separation and variation of discharge angle); and a range of ambient current speeds (0.15 - 1.0 m/s), and density profiles (surface mixed layers of 31 to 64 m). The tests described herein complement those reported previously (Adams et al., 1979) for a stagnant-ambient environment.
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