Road Noise Modelling Using Statistical Energy Analysis Method

1995 ◽  
Author(s):  
Bangyi Dong ◽  
Martin Green ◽  
Mark Voutyras ◽  
Paul Bremner ◽  
Peter Kasper
Keyword(s):  
Energy Analysis ◽  
Statistical Energy Analysis ◽  
Analysis Method ◽  
Road Noise

Gas Turbine Acoustic Enclosure Design by the Statistical Energy Analysis Method

1995 ◽  
Vol 117 (3) ◽  
pp. 554-556
Author(s):  
L. K. H. Lu ◽  
M. Mitchell
Keyword(s):  
Gas Turbine ◽  
Energy Analysis ◽  
Transmission Loss ◽  
Closed Form Solution ◽  
Complex Problem ◽  
Form Solution ◽  
Statistical Energy Analysis ◽  
Analysis Method ◽  
Multiple Components ◽  
Practical Design

Acoustic enclosure design is a complex problem that involves the interaction of multiple components. Yet the present conventional approach uses a two-dimensional closed-form solution to evaluate transmission loss of acoustic wall. In this paper, Statistical Energy Analysis (SEA) was first studied for simple cases of radiation efficiency, transmission loss, and flanking path calculations. The effectiveness of the SEA method for complex systems was then demonstrated through a practical design application to gas turbine enclosure. It was found that SEA was a useful tool for gas turbine acoustic enclosure design.

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