Abstract No.C171130-080

Author name(s): Zongke ZHANG

Company: Marine Design & Research Institute of China, China

For air cushion vehicle (ACV) flight with high-speed post-hump, incorrect maneuver would cause sideslip with large angle, which could result in damage to skirt inner attachment to hull, serious green water on side deck, even to capsizing. First, America Landing Craft Air Cushion (LCAC) sideslip test of scale model and full-scale ship was introduced, drag and deceleration based on theoretical simulation in this paper was in general agreement with those of LCAC test results. Then, occasional sideslip during sea trial of light-loaded ACV and heavy-loaded ACV was introduced, and compared with LCAC full-scale ship beam-on sideslip test. Through analysis, it was found cushion density plays key role in ACV motion after sideslip. Lastly, a recommendation was proposed for manipulation after sideslip with high-speed to avoid significant roll and quick roll oscillating.

KEY WORDS: air cushion vehicle; sideslip; cushion wave-making; model test; full-scale ship test; flexible skirt

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