Noise Survey of a 10-foot Four-blade Turbine-driven Propeller Under Static Condtions

Noise Survey of a 10-foot Four-blade Turbine-driven Propeller Under Static Condtions PDF Author: Max C. Kurbjun
Publisher:
ISBN:
Category : Noise
Languages : en
Pages : 686

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Book Description
Theoretical calculations of the sound-pressure levels by the method of NACA TN 2968 predict accurately, for the 10-foot propeller investigated, the location of and the maximum levels to be expected for the overall noise and the first two propeller harmonics. The calculations do not predict accurately the location of the maximum sound-pressure levels ad the maximum calculated levels are 10 and 13 decibels lower than the msximm messured levels for the third and fourth harmonics, respectively.

Noise Survey of a 10-foot Four-blade Turbine-driven Propeller Under Static Condtions

Noise Survey of a 10-foot Four-blade Turbine-driven Propeller Under Static Condtions PDF Author: Max C. Kurbjun
Publisher:
ISBN:
Category : Noise
Languages : en
Pages : 686

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Book Description
Theoretical calculations of the sound-pressure levels by the method of NACA TN 2968 predict accurately, for the 10-foot propeller investigated, the location of and the maximum levels to be expected for the overall noise and the first two propeller harmonics. The calculations do not predict accurately the location of the maximum sound-pressure levels ad the maximum calculated levels are 10 and 13 decibels lower than the msximm messured levels for the third and fourth harmonics, respectively.

Noise Survey of a 10-foot Four-balde Turbine-driven Propeller Under Static Conditions

Noise Survey of a 10-foot Four-balde Turbine-driven Propeller Under Static Conditions PDF Author: Max C. Kurbjun
Publisher:
ISBN:
Category :
Languages : en
Pages : 25

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Noise Survey of a Full-scale Supersonic Turbine-driven Propeller Under Static Conditions

Noise Survey of a Full-scale Supersonic Turbine-driven Propeller Under Static Conditions PDF Author: Max C. Kurbjun
Publisher:
ISBN:
Category : Noise
Languages : en
Pages : 742

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Book Description
Overall sound-pressure levels and frequency spectra of the noise emitted from a full-scale, 7.2-foot-diameter, 3, 500 rpm, three-blade, supersonic propeller mounted on a turbine-powered airplane have been obtained under static conditions at stations about the propeller at a 100-foot radius.

Technical Note - National Advisory Committee for Aeronautics

Technical Note - National Advisory Committee for Aeronautics PDF Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1026

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Applied Mechanics Reviews

Applied Mechanics Reviews PDF Author:
Publisher:
ISBN:
Category : Mechanics, Applied
Languages : en
Pages : 1006

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Thermal Fatigue of Ductile Materials

Thermal Fatigue of Ductile Materials PDF Author: Francis J. Clauss
Publisher:
ISBN:
Category : Alloys
Languages : en
Pages : 632

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Book Description
An experimental study was made of the changes in the stress-rupture life, ductility, hardness, and microstructure of S-816 and Inconel 550 specimens that had been exposed to varying amounts and conditions of thermal fatigue.

Research Abstracts

Research Abstracts PDF Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 442

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Research Abstracts and Reclassification Notice

Research Abstracts and Reclassification Notice PDF Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 508

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Noise Survey Under Static Conditions of Turbine-driven Transonic Propeller with Advance Ratio of 4.0 [with List of References]

Noise Survey Under Static Conditions of Turbine-driven Transonic Propeller with Advance Ratio of 4.0 [with List of References] PDF Author:
Publisher:
ISBN:
Category : Aerodynamics, Transonic
Languages : en
Pages : 14

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Index of NACA Technical Publications

Index of NACA Technical Publications PDF Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 860

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Book Description