Air Cushion Pressure During Stiff-Operation for Air Cushion Landing System. Part 1. Theory
Rept. for Jul 1969-Jun 1970
OHIO STATE UNIV RESEARCH FOUNDATION COLUMBUS
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The report studies the performance characteristics of the air cushioned landing and takeoff system for aircraft during its stiff-operation mode. Stiff-operation is obtained during the early stage of the takeoff period or the later stage of landing. Its chief feature is that the penumatic supply chamber of bleed air is in almost parallel configuration with the ground. The supply air flows vertically down through the bleed holes and is then deflected outward. This part of the report contains the theoretical treatment of the problem. The results are in the form of a cushion pressure ratio in terms of the supply trunk pressure. Analysis was performed, based on incompressible viscous theory.