The Development of Sound Propagation Theory in the USSR and in Russia

2008 ◽  
pp. 71-120 ◽  
Author(s):  
V. V. GONCHAROV
Keyword(s):  
Sound Propagation ◽  
Propagation Theory

Investigation on the Sound Absorption Properties of MPA/MR

2009 ◽  
Vol 79-82 ◽  
pp. 2147-2150 ◽  
Author(s):  
Yan Hong Ma ◽  
Jie Hong ◽  
Bin Zhu ◽  
Hong Wang
Keyword(s):  
Sound Absorption ◽  
Sound Propagation ◽  
Propagation Theory ◽  
Wave Tube ◽  
Absorption Properties ◽  
Acoustic Characteristics ◽  
Analogy Method ◽  
Metal Rubber ◽  
Standing Wave Tube ◽  
Application Prospects

This paper introduces a sound absorption structure named as MPA/MR which is a combination of the MPA and Metal Rubber (MR) material. On the basis of Rayleigh model and sound propagation theory in pipe, according to the acoustoelectric analogy method, the theoretical acoustic model of MPA/MR is established, and the formula of absorption coefficient is derived. The multi-function standing wave tube with two microphones was used to obtain acoustic characteristics of MPA/MR experimentally, and the effects of the parameters were analyzed as well. The investigation indicates that MPA/MR can be applied with a broad range of application prospects.

Sound as a transverse wave

2017 ◽  
Vol 13 (1) ◽  
pp. 4522-4534
Author(s):  
Armando Tomás Canero
Keyword(s):  
Quantum Mechanics ◽  
Gravitational Waves ◽  
Longitudinal Wave ◽  
Transverse Wave ◽  
Sound Propagation ◽  
Correspondence Principle ◽  
Classical Mechanics ◽  
Wave Model ◽  
Scientific Experiments

This paper presents sound propagation based on a transverse wave model which does not collide with the interpretation of physical events based on the longitudinal wave model, but responds to the correspondence principle and allows interpreting a significant number of scientific experiments that do not follow the longitudinal wave model. Among the problems that are solved are: the interpretation of the location of nodes and antinodes in a Kundt tube of classical mechanics, the traslation of phonons in the vacuum interparticle of quantum mechanics and gravitational waves in relativistic mechanics.

Time-domain calculation of sound propagation in lined ducts with sheared flows

AIAA Journal ◽  
2000 ◽  
Vol 38 ◽  
pp. 768-773 ◽  
Author(s):  
Yusuf Ozyoruk ◽  
Lyle N. Long
Keyword(s):  
Time Domain ◽  
Sound Propagation ◽  
Sheared Flows ◽  
Lined Ducts

A verified model of laser-generated sound propagation

1989 ◽  
Author(s):  
EDMOND LO ◽  
R. FERGUSON ◽  
MICHAEL FRISH ◽  
PETERE. NEBOLSINE
Keyword(s):  
Sound Propagation
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