New method for predicting rotor wake geometries and downwash velocity field

Aircraft Engineering and Aerospace Technology

Volumn 71, Issue 2, 1999, Pages 129-135

  Cao, Yihua ^a  

^a BEIHANG UNIVERSITY   (China)

Author keywords

[No Author keywords available]

Indexed keywords

AERODYNAMICS; HELICOPTER ROTORS; VORTEX FLOW; WAKES;

DOWNWASH VELOCITY; VORTEX CORE EFFECTS;

AEROSPACE ENGINEERING;

EID: 0032629805     PISSN: 00022667     EISSN: None     Source Type: Journal    
DOI: 10.1108/00022669910261574     Document Type: Article

References (7)

1. Favier, D. et al. (1987), "A free wake analysis for hovering rotors and advancing propellers", Vertica, Vol. 11 No. 3, pp. 493-511.
2. Felker, F.F. et al. (1990), "Comparisons of predicted and measured rotor performance in hover using a new free wake analysis", Vertica, Vol. 14 No. 3, pp. 361-83.
3. Gray, R.B. (1992), "Vortex modeling for rotor aerodynamics", Journal of the American Helicopter Society, Vol. 37 No. 1, pp. 8-10.
4. Gray, R.B. and Brown, G.W. (1972), "A vortex wake analysis of a single-bladed hovering rotor and a comparison with experimental data", AGARD-Cp-111.
5. Lamb, H.(1945), Hydrodynamics, Dover Publications, New York, NY, pp. 210-41.
6. Landgrebe, A.J. (1972), "The wake geometry of a hovering helicopter rotor and its influence on rotor performance", Journal of the American Helicopter Society, Vol. 17 No. 4, pp. 3-15.
7. Samant, S.S. and Gray, R.B. (1977), "A semi-empirical correction for the vortex core effect on hovering rotor wake geometries", Proceedings of 33rd Annual Forum of the American Helicopter Society, May, Washington, DC.