Blade-vortex interaction (BVI) noise of helicopters operating in horizontal wind shear

Annual Forum Proceedings - AHS International

Volumn 1, Issue , 2005, Pages 22-36

  Sim, Ben W ^a   Schmitz, F H ^b   Beasman, T ^b  

^a NASA AMES RESEARCH CENTER   (United States)

^b UNIVERSITY OF MARYLAND   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACCELERATION/DECELERATION; BLADE-VORTEX INTERACTION NOISE; FLIGHT TEST DATA; FLIGHT TRAJECTORY; HELICOPTER BLADE-VORTEX INTERACTION NOISE; HORIZONTAL WIND SHEAR; NOISE MEASUREMENTS; NOISE RADIATIONS;

HELICOPTERS; TURBOMACHINE BLADES;

RADIATION EFFECTS;

EID: 84883509999     PISSN: 15522938     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (4)

1. Schmitz, F.H., "Rotor Noise," Chapter 2 in book authored by Hubbard, H. H., Aeroacoustics of Flight Vehicles, Theory and Practice, Vol. 1: Noise Sources, Published for the Acoustical Society of America through the American Institute of Physics, 1995.
2. Hawles, D. R., "Flight Operations to Minimize Noise," Presented at the American Helicopter Society-AIAA-University of Texas at Arlington Joint Symposium on Environmental Effects of VTOL Designs, Arlington, Texas, Nov 16-18, 1970, and Vertiflite, Feb 1971.
3. Helicopter Association International (HAI) Fly Neighborly Committee, "Fly Neighborly Guide," Feb, 1971.
4. Sim, B. W., Schmitz, F. H., Ishii, H. and Okuno, Y., Cabin and Far-Field Blade-Vortex Interaction (BVI) Noise Trends of the MuPAL-