Air cavity system

Air cavity system (or ACS) is a modern marine hull design concept based upon capturing air beneath a vessel's hull to reduce drag and increase speed and fuel efficiency.

How it works

The system works by trapping a layer of air bubbles beneath the ship's hull. A dedicated system or an air blower generates air bubbles that pass nonstop under the ship's surface. Along the bottom of the hull, air bubble outlets are located at different sites equally on both the sides of the boat's center. A layer of bubbles is formed by blowing air at a constant rate, reducing the drag and resistance between the boat and the water.[1]

Operational use

ACS is used on the Russian Serna-[2] and Dyugon-class landing crafts.

See also

References
  1. Konstantin Matveev, MSc (PhD candidate California Institute of Technology) (2003). "Air-cavity ships are ready for a wider market". Speed at Sea. Archived from the original on 2018-09-30.
  2. "Serna-Class (Project 11770 Class) Russian Air-Cavity Fast Landing Craft". ODIN - OE Data Integration Network. Retrieved 2022-05-16.
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