| 摘要 |
PROBLEM TO BE SOLVED: To provide a friction resistance reduction device of a ship, which keeps the efficiency of a main engine by suitably supplying an exhaust gas to a supercharger, controls an injection state of a gas injected to the vicinity of a ship body by using a bypass gas, in particular, does become a hindrance on the navigation of the ship, and limits the dispersion of air bubbles in the vicinity of a ship bottom.SOLUTION: A friction resistance reduction device of a ship comprises: a gas injection port 40 formed at a ship bottom of a ship 1; a supercharger for air-sending a gas to the gas injection port 40; and a receivable dispersion limit part 95 for limiting the dispersion of the gas injected from the gas injection port 40. |
