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Einfluss des Dralls auf den Überschallnachlauf eines längsangeströmten zylindrischen Körpers
Stephan Weidner
2021
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This study investigates the effects of swirl on the supersonic wake of longitudinally-aligned axisymmetric afterbodies. The swirl was introduced upstream of the base corner by either spinning non-canted or non-spinning canted fins. Depending on the introduced swirl rate, both the experimental and numerical results show two distinctively different wake flow structures. The fluid-dynamic processes present in the rotating wakes and the resulting structural changes are analyzed in detail.
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Keywords
- Drall
- Mechanical engineering & materials
- Numerical simulations
- Numerische Simulationen
- supersonic wake flow
- swirl
- Technology, engineering, agriculture
- Überschallnachlauf
- vortex breakdown
- wind-tunnel measurements
- Windkanalmessungen
- Wirbelaufplatzen
Links
DOI: 10.5445/KSP/1000118606Editions