scholarly journals Isolated Open Rotor Noise Prediction Assessment Using the F31A31 Historical Blade Set

2016 ◽  
Author(s):  
Douglas M. Nark ◽  
William Jones ◽  
David Boyd ◽  
Nikolas Zawodny
Keyword(s):  
Noise Prediction ◽  
Rotor Noise ◽  
Open Rotor

Advanced open rotor noise prediction

2014 ◽  
Vol 118 (1208) ◽  
pp. 1125-1135 ◽  
Author(s):  
M. J. Kingan
Keyword(s):  
High Speed ◽  
Broadband Noise ◽  
Current Status ◽  
Prediction Methods ◽  
Noise Prediction ◽  
Acoustic Data ◽  
Rotor Noise ◽  
Future Challenges ◽  
Open Rotor ◽  
Development And Validation

Abstract The purpose of this paper is to describe the current status of open rotor noise prediction methods and to highlight future challenges in this area. A number of analytic and numerical methods are described which can be used for predicting ‘isolated’ and ‘installed’ open rotor tonal noise. Broadband noise prediction methods are also described and it is noted that further development and validation of the current models is required. The paper concludes with a discussion of the analytical methods which are used to assess the acoustic data collected during the high-speed wind-tunnel testing of a model scale advanced open rotor rig.

Open Rotor Noise Prediction Using the time Domain Formulations of Farassat

2015 ◽  
Vol 14 (1-2) ◽  
pp. 51-86 ◽  
Author(s):  
Mark H. Dunn ◽  
Ana F. Tinetti ◽  
Douglas M. Nark
Keyword(s):  
Time Domain ◽  
Noise Prediction ◽  
Rotor Noise ◽  
Open Rotor ◽  
The Time Domain

scholarly journals Limitations of Phased Array Beamforming in Open Rotor Noise Source Imaging

AIAA Journal ◽  
2014 ◽  
Vol 52 (8) ◽  
pp. 1810-1817 ◽  
Author(s):  
Csaba Horváth ◽  
Edmane Envia ◽  
Gary G. Podboy
Keyword(s):  
Phased Array ◽  
Noise Source ◽  
Source Imaging ◽  
Rotor Noise ◽  
Open Rotor ◽  
Array Beamforming

Broadband Rotor Noise Prediction Based on a New Frequency-Domain Foumulation

2010 ◽  
Vol 22 (3) ◽  
pp. 387-392
Author(s):  
Jian-bo Xie ◽  
Qi-dou Zhou ◽  
Bin Fang
Keyword(s):  
Frequency Domain ◽  
Noise Prediction ◽  
Rotor Noise
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