SOME RESEARCH EFFORTS RELATED TO PROBLEMS OF AERODYNAMIC DECELERATION Open PDF Document Details Document Type Technical Report Publication Date Nov 01, 1961 Accession Number AD0272404 Entities People Helmut G. Heinrich Organizations University of Minnesota Tags Communities of Interest Human Systems Weapons Technologies DTIC Thesaurus Topics Aerodynamic Characteristics Aerodynamic Drag Air Force Base Pressure Bodies Compressible Flow Contracts Fluid Dynamics Geometry Materials Parachute Canopies Parachutes Porosity Porous Materials Pressure Distribution Ribbon Parachutes Sea Level