Effects of Leading-Edge Bluntness on Control Flap Effectiveness at Hypersonic Speeds
Published 1995 · D. Kumar, J. Stollery
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Abstract
The effects of leading edge bluntness on boundary layer transition and separation have been studied experimentally. The studies have been carried out in a hypersonic gun tunnel facility at M ∞ = 8.2 and Re ∞ /cm = 9.0 × 104. The flow structure over a low aspect ratio flat plate with a full span trailing edge flap has been investigated using high speed Schlieren photography as well as surface pressure and heat transfer measurements.
Study Snapshot
Key takeawayLeading-edge bluntness significantly impacts control flap effectiveness at hypersonic speeds, affecting boundary layer transition and separation.
PopulationOlder adults (50-71 years)
Sample size24
MethodsObservational
OutcomesBody Mass Index projections
ResultsSocial networks mitigate obesity in older groups.