Prediction of helicopter rotor discrete frequency noise : a computer program incorporating realistic blade motions and advanced acoustic formulation / Kenneth S. Brentner
Material type: TextPublisher: Virginia : National Aeronautics and Space Administration, 1986Description: 90 pages : illustrated ; 28 cmContent type: text Media type: unmediated Carrier type: sheet Subject(s): Aeronautics | Airplaines | HelicopterDDC classification: 629.13436Item type | Current library | Collection | Call number | Status | Date due | Barcode |
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Book | Capt. Geronimo Amurao Learning Resource Center General Collection | Aviation | 629.13436 B75p 1986 (Browse shelf (Opens below)) | Available | 001789 |
NASA Technical Memorandum 87721
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