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Noise-reduction Measurements on Stiffened and Unstiffened Cylindrical Models of an Airplane Fuselage

Noise-reduction Measurements on Stiffened and Unstiffened Cylindrical Models of an Airplane Fuselage PDF Author: Conrad M. Willis
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 32

Book Description

Noise-reduction Measurements on Stiffened and Unstiffened Cylindrical Models of an Airplane Fuselage

Noise-reduction Measurements on Stiffened and Unstiffened Cylindrical Models of an Airplane Fuselage PDF Author: Conrad M. Willis
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 32

Book Description

NASA Technical Memorandum

NASA Technical Memorandum PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 36

Book Description

Scientific and Technical Information Output of the Langley Research Center for Calendar Year 1984

Scientific and Technical Information Output of the Langley Research Center for Calendar Year 1984 PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 416

Book Description

Scientific and Technical Aerospace Reports

Scientific and Technical Aerospace Reports PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 400

Book Description

Noise-Reduction Measurements of Stiffened and Unstiffened Cylindrical Models of an Airplane Fuselage

Noise-Reduction Measurements of Stiffened and Unstiffened Cylindrical Models of an Airplane Fuselage PDF Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781725615489
Category :
Languages : en
Pages : 32

Book Description
Noise-reduction measurements are presented for a stiffened and an unstiffened model of an airplane fuselage. The cylindrical models were tested in a reverberant-field noise environment over a frequency range from 20 Hz to 6 kHz. An unstiffened metal fuselage provided more noise reduction than a fuselage having the same sidewall weight divided between skin and stiffening stringers and ring frames. The addition of acoustic insulation to the models tended to smooth out the interior-noise spectrum by reducing or masking the noise associated with the structural response at some of the resonant frequencies. Willis, C. M. and Mayes, W. H. Langley Research Center NASA-TM-85716, L-15699, NAS 1.15:85716 RTOP 505-33-53-03...

Advanced Turboprop Project

Advanced Turboprop Project PDF Author: Roy D. Hager
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 140

Book Description

The Shock and Vibration Digest

The Shock and Vibration Digest PDF Author:
Publisher:
ISBN:
Category : Shock (Mechanics)
Languages : en
Pages : 122

Book Description

Aeroacoustics of Flight Vehicles: Noise control

Aeroacoustics of Flight Vehicles: Noise control PDF Author: Harvey H. Hubbard
Publisher:
ISBN:
Category : Aerodynamic noise
Languages : en
Pages : 452

Book Description

Noise-reduction Measurements on Stiffened and Unstiffened Cylindrical Models of an Airplane Fuselage

Noise-reduction Measurements on Stiffened and Unstiffened Cylindrical Models of an Airplane Fuselage PDF Author: Conrad M. Willis
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 32

Book Description

Aeroacoustics of Flight Vehicles

Aeroacoustics of Flight Vehicles PDF Author: Harvey H. Hubbard
Publisher:
ISBN:
Category : Aerodynamic noise
Languages : en
Pages : 456

Book Description

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