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CAD Model of Air Cushioned Vehicle.
Application: Riding on Air with CFX Simulation
Posted Fri September 16, 2005 @02:46PM
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Application By John Purnell
Senior Engineer
CDI Marine Systems Development Division

CDI Marine Systems Development Division (CDIMSDD, formerly Band, Lavis, & Associates, Inc.) used computer simulation to design the lift fans and propellers for a proposed large air cushion vehicle (ACV) in a fraction of the time that would have been possible using prior conventional methods. The proposed ACV will be used in transporting cargo and passengers, and is designed to carry twice the payload of the present craft. CDIM-SDD was assigned the task of designing new propellers capable of delivering about twice the power of the present propulsion system. There was also a requirement to design new lift-air supply fans capable of developing additional pressure and flow to support twice the payload.

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