期刊
PHYSICAL REVIEW LETTERS
卷 123, 期 15, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.123.154502
关键词
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资金
- James Franck and Enrico Fermi Institutes at the University of Chicago
- London Mathematical Society (LMS) Research in Pairs Scheme 4 [41413]
- UK Engineering and Physical Sciences Research Council (EPSRC) [EP/P023770/1]
- Departments of Excellence Grant - Italian Ministry of Education, University and Research (MIUR) [L.232/2016]
- Progetto di Ricerca d'Ateneo [CSTO160004]
- ARO [W911NF1810046]
- Packard Foundation
- U.S. Department of Defense (DOD) [W911NF1810046] Funding Source: U.S. Department of Defense (DOD)
- EPSRC [EP/P023770/1] Funding Source: UKRI
We investigate superfluid flow around an airfoil accelerated to a finite velocity from rest. Using simulations of the Gross-Pitaevskii equation we find striking similarities to viscous flows: from production of starting vortices to convergence of airfoil circulation onto a quantized version of the Kutta-Joukowski circulation. We predict the number of quantized vortices nucleated by a given foil via a phenomenological argument. We further find stall-like behavior governed by airfoil speed, not angle of attack, as in classical flows. Finally we analyze the lift and drag acting on the airfoil.
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