1974•Calhoun: The Naval Postgraduate School Institutional Archive (Naval Postgraduate School)Open access
Turbulent boundary layer separation characteristics with blowing in an oscillating flow
James Luther Foresman
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Abstract
An open circuit oscillating flow wind tunnel was used to study the blowing requirements to maintain an attached turbulent boundary layer in an oscillating freestream flow with an adverse pressure gradient. Boundary layer separation was visualized through the use of tufts. Freestream flow oscillation frequency was found to have an effect on the blowing required to maintain attached flow. This frequency dependence exhibits characteristics which suggest resonant behavior.
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