Menetelmä rungon kitkavastuksen vähentämiseksi, laiva, jonka kitkavastusta pienennetään menetelmällä ja menetelmä laivasta puhallettujen kuplien analysoimiseksi

摘要

The friction resistance of the hull (2) of a ship (1) while navigating is reduced by jetting out minute air bubbles (8) of a predetermined diameter from positions of small static pressure near starting points of flow lines (F.L.) of water, which extend toward the bottom (5) of the ship from positions of small draft in a submerged part of the bow (4) of the hull (2) along both side surfaces of the hull (2), and allowing the minute air bubbles (8) to move down to the bottom (5) of the ship (1) along the flow lines (F.L.), thereby distributing minute air bubbles (8) over at least a part of a region around the submerged part of the hull (2).