1. Effective F+Cµ, % Re × 104Gad-el-Hak and 5.5 0.3-1.28 1.25
2. Blackwelder14Gu et al.151.3 7.7a1.7 Guy et al.19,20,231.2-1.75 1.9-2.3a2.1-55
3. Siegel et al.24,25Present investigation 1.0-4.0 0.41, 3.8 11.7 Present investigation 1.0-2.0 0.03-0.41 23.5-35.0
4. Research into vortex breakdown control