Transonic Rotor Noise: Theoretical and Experimental Comparisons
Author:   National Aeronaut Administration (Nasa)
Publisher:   Createspace Independent Publishing Platform
ISBN:  

9781724753502


Pages:   32
Publication Date:   06 August 2018
Format:   Paperback
Availability:   Available To Order   Availability explained
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Transonic Rotor Noise: Theoretical and Experimental Comparisons


Overview

Two complementary methods of describing the high speed rotor noise problem are discussed. The first method uses the second order transonic potential equation to define and characterize the nature of the aerodynamic and acoustic fields and to explain the appearance of radiating shock waves. The second employs the Ffowcs Williams and Hawkings equation to successfully calculate the acoustic far field. Good agreement between theoretical and experimental waveforms is shown for transonic hover tip Mach numbers from 0.8 to 0.9. Schmitz, F. H. and Yu, Y. H. Ames Research Center NASA-TM-81236, A-8342, AVRADCOM-TR-80-A-12 RTOP 992-21-01-90-01

Full Product Details

Author:   National Aeronaut Administration (Nasa)
Publisher:   Createspace Independent Publishing Platform
Imprint:   Createspace Independent Publishing Platform
Dimensions:   Width: 21.60cm , Height: 0.20cm , Length: 28.00cm
Weight:   0.102kg
ISBN:  

9781724753502


ISBN 10:   1724753509
Pages:   32
Publication Date:   06 August 2018
Audience:   General/trade ,  General
Format:   Paperback
Publisher's Status:   Active
Availability:   Available To Order   Availability explained
We have confirmation that this item is in stock with the supplier. It will be ordered in for you and dispatched immediately.

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