[ Etude du comportement des ondes acoustiques émises par des sources omnidirectives et directives ]
Volume 45, Issue 1, March 2025, Pages 224–232
KISOKI MBUNGA Henri1
1 Professeur associé, Faculté des sciences, Département de physique et des sciences appliquées, Université pédagogique nationale (UPN), Kinshasa-Ngaliema, RD Congo
Original language: French
Copyright © 2025 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
In this article, we will present the different consequences that can arise in the event of non compliance with the standards for the propagation of acoustics waves in their daily uses namely: sound system in our churches, evangelization campagn, refreshment bar, bistros, publics areas, etc. The acoustics waves are induced by vibration of mechanical surfaces which propagate to our ears translated by stamps. This is how we see that interactions between a vibrating body and the propagation medium obey the laws based on the existence of two forms of energy (propagated energy and that exchanged between the source and the propagation medium) described in this study. To better use acoustics waves, we will focus on the radiation impedance and the parameters allowing us to classify the sources of acoustics waves into two groups that we have called: omnidirectionnal and directionnal models.
Author Keywords: acoustic, energy, directionnal, impedance, omnidirectionnal, wave.
Volume 45, Issue 1, March 2025, Pages 224–232
KISOKI MBUNGA Henri1
1 Professeur associé, Faculté des sciences, Département de physique et des sciences appliquées, Université pédagogique nationale (UPN), Kinshasa-Ngaliema, RD Congo
Original language: French
Copyright © 2025 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
In this article, we will present the different consequences that can arise in the event of non compliance with the standards for the propagation of acoustics waves in their daily uses namely: sound system in our churches, evangelization campagn, refreshment bar, bistros, publics areas, etc. The acoustics waves are induced by vibration of mechanical surfaces which propagate to our ears translated by stamps. This is how we see that interactions between a vibrating body and the propagation medium obey the laws based on the existence of two forms of energy (propagated energy and that exchanged between the source and the propagation medium) described in this study. To better use acoustics waves, we will focus on the radiation impedance and the parameters allowing us to classify the sources of acoustics waves into two groups that we have called: omnidirectionnal and directionnal models.
Author Keywords: acoustic, energy, directionnal, impedance, omnidirectionnal, wave.
Abstract: (french)
Dans cet article, nous avons présenté les différentes conséquences qui peuvent subvenir en cas de non-respect des normes sur la propagation des ondes acoustiques dans leurs utilisations quotidiennes, à savoir: sonorisation dans nos églises, campagne d’évangélisation, buvette, terrasse, milieux publics, etc. Les ondes acoustiques sont induites par la mise à vibration des surfaces mécaniques qui se propagent jusqu’à nos oreilles traduite par des timbres. C’est ainsi, nous voyons que les interactions entre un corps vibrant et le milieu de propagation obéissent aux lois reposant sur l’existence de deux formes d’énergies (énergie propagée et celle échangée entre la source et le milieu de propagation) décrites dans cette étude. Pour mieux utiliser les ondes acoustiques, nous allons nous intéresser à l’impédance de rayonnement et aux paramètres permettant de classer des sources des ondes acoustiques en deux groupes que nous avons appelés: modèles omnidirectifs et directifs.
Author Keywords: acoustique, énergie, directif, impédance, omnidirectif, ondes.
How to Cite this Article
KISOKI MBUNGA Henri, “Study of comportment the acoustics waves emetted by omnidirectionnal and directionnal sources,” International Journal of Innovation and Applied Studies, vol. 45, no. 1, pp. 224–232, March 2025.
