RECIRCULATION PRINCIPLE FOR GROUND EFFECT MACHINES, THREE-DIMENSIONAL WIND TUNNEL TESTS Open PDF Document Details Document Type Technical Report Publication Date Jul 01, 1962 Accession Number AD0283759 Tags Communities of Interest Air Platforms Energy and Power Technologies Space DTIC Thesaurus Topics Aerodynamic Lift Base Pressure Contracts Dynamic Pressure Free Stream Geometry Ground Effect Ground Effect Machines Instrumentation Model Basins Pressure Distribution Ship Model Basins Test Facilities Three Dimensional Two Dimensional Wind Tunnel Tests Wind Tunnels