Page 77 - Theory and Design of Air Cushion Craft

Practical formulae for predicting air cushion performance 61

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Fig. 2.10 Air streamline diagram at higher air clearance.

Fig. 2.11 Air streamline diagram at lower air clearance.

and the segment geometry. These factors can affect the dynamic response of the
skirt in operation.
• A series of vortices is formed around the nozzle which causes some flow energy
losses, but these do not affect cushion pressure very much because of its weak