3rd Shear Flow Conference 1993
DOI: 10.2514/6.1993-3266
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Vortex capture by a two-dimensional airfoil with a small oscillatingleading-edge flap

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Cited by 12 publications
(9 citation statements)
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“…Consequently, complex geometric 1 3 37 Page 2 of 17 the natural vortex shedding frequency. A similar result is reported by Zhou et al (1993) for an analogous configuration. The study of Zhang et al (2008) also shows that the lift increase in a NACA 0012 is maximum when the excitation frequency of an oscillating flap placed at 38 % of chord profile is equal to the vortex shedding one.…”
Section: Introductionsupporting
confidence: 87%
“…Consequently, complex geometric 1 3 37 Page 2 of 17 the natural vortex shedding frequency. A similar result is reported by Zhou et al (1993) for an analogous configuration. The study of Zhang et al (2008) also shows that the lift increase in a NACA 0012 is maximum when the excitation frequency of an oscillating flap placed at 38 % of chord profile is equal to the vortex shedding one.…”
Section: Introductionsupporting
confidence: 87%
“…We chose the Reynolds number Re c (based on chord length c) as 5 × 10 5 . This is of the same order as those in the experimental studies cited above (up to 6.7 × 10 5 ) (Zhou et al 1993) and in the computation of Ko & McCroskey (1997), which was 6 × 10 5 . The Mach number was fixed at 0.2.…”
Section: )supporting
confidence: 81%
“…If f 0 shear was referred to the initial frequency at separation point, taking f e = f 0 shear might not be the best choice. In contrast, in the experiment of Zhou et al (1993) it was found that the optimal effect occurred when f e = f 0 shed and its first superharmonics. Because the natural vortex-shedding frequency can be accurately determined by computation or experiment, it is more convenient to use f 0 shed as a reference in choosing our f e .…”
Section: )mentioning
confidence: 80%
“…2) [9]. Similar observations have been made in independent investigations [50]. It should be appreciated, however, that these data were all acquired at Re 600,000.…”
Section: Optimum Reduced Frequenciessupporting
confidence: 75%