| 摘要 |
<p>The present invention comprises: a water tank (10); a guide rail installed in a lower side of the water tank (10); a frame (30) installed on the guide rail (20), being movable; an impeller installed in an upper end of the frame (30); and a controller (50) changing movement of the frame (30) and rotation of the impeller (40). Thereby, more various test data are obtained by an economical method with which a tidal current is generated in a test before constructing a ship or a marine structure.</p> |
