Helicopter Blade Tip Vortex Modifications in Hover Using Piezoelectrically Modulated Blowing
Aeroacoustic investigations regarding different types of helicopter noise have indicated that the most annoying noise is caused by impulsive blade surface pressure changes in descent or forward flight conditions. Blade Vortex Interaction (BVI) is one of the main phenomena producing significant impu...
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Format: | Others |
Language: | en_US |
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Georgia Institute of Technology
2005
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Online Access: | http://hdl.handle.net/1853/4896 |