Frictional resistance-reducing device and ship including same
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United States of America
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Feb 18, 2020
Grant Date -
Dec 13, 2018
app pub date -
Jan 8, 2016
filing date -
Jan 8, 2016
priority date (Note) -
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Abstract
Disclosed are a frictional resistance reducing device that effectively reduces the frictional resistance of a ship, and a ship including same. The frictional resistance reducing device comprises: a first air discharge part formed on the leading undersurface of a ship and discharging air into water; a second air discharge part formed behind the first air discharge part and discharging air into water; and an air supplying source supplying air to the first air discharge part and the second air discharge part, wherein the first air discharge part and the second air discharge part are disposed in-line along the lengthwise direction of the ship, and at least a portion of a first air discharge period of the first air discharge part and at least a portion of a second air discharge period of the second air discharge part overlap each other.
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