1953•NASA STI Repository (National Aeronautics and Space Administration)Requires access
A Transonic Wind-tunnel Investigation of the Effects of Body Indentation, as Specified by the Transonic Drag-rise Rule, on the Aerodynamic Characteristics and Flow Phenomena of a 45 Degree Sweptback-wing-body Combination
Harold L Robinson
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Abstract
Memorandum presenting a comparison of the aerodynamic characteristics and flow phenomena at transonic speeds for a 45 degree sweptback wing mounted alternatively on a cylindrical body and an indented body. Indentation eliminated the zero-lift drag rise associated with the wing at a Mach number of 1. Results regarding the lift, drag, and pitching moment, flow surveys, level-flight characteristics, and flow phenomena are provided.