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Open Journal of Acoustics (OJA) is an international journal dedicated to the advancement of the study of acoustics. The goal of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of acoustics. Al…
Emmanuel Siryabe, Guy-Edgar Ntamack, Pierre Maréchal
This work deals with the study of the reflection and transmission properties of plane periodic structures composed of N periods (1 ≤ N ≤ 3 ) in the MHz frequency range. The period consists of two bounded plates presenting a high acoustic impedance contrast on…
V. P. Ivanov G. K. Ivanova
It is consider that , from the standpoint of the law of conservation of energy, the process of converting sound wave falls on the boundary between two spaces in two, leaving the boundary, reflected and passage. It is assumed that the simultaneous presence of…
Alexander Kleshchev
This paper receive s the characteristic equation for the determine of wave numbers of phase velocities of elastic waves , in the thin cylindrical shell with the help of the dynamic theory of the elasticity for the transversely isotropic medium and of the hypo…
Carl Q. Howard
The purpose of this letter is to present the corrected expressions for the four-pole transmission matrix for a duct with a linear temperature gradient and an exponential temperature profile, described in Sujith [1]. The corrected equations are used in the ana…
Sanjay Srivastava
Carbon nanotube is a novel and more explored material. In this paper, ultrasonic acoustic velocity of the carbon nanotube has been calculated along unique axis at room temperature. For the evaluations of ultrasonic properties, second and third-order elastic c…
S. Brezini, A. Brezini
The propagation of classical waves in one-dimensional random media is examined in presence of short-range correla tion in disorder. A classical analogous of the Kronig-Penney model is proposed by means a chain of repeated sub-sys tems, each of them constitute…
Siham Ghebache, Mouloud Tribeche
The one-dimensional quantum hydrodynamic (QHD) model for a three - specie quantum plasma is used to study the quantum counterpart of the well known dust ion-acoustic wave (DIAW). It is found that owing to the quantum effects , the dynamics of small but fi nit…
Hongbing Zhang
Camouflage voice is the common check material form in judicial voice testing field that brings about many difficulties to speaker identification. Aiming at the electroacoustic disguised voice, we get fundamental frequency variation rule before and after voice…
Mohsen Karami, Masoumeh Shafieian
Reverberation time within studio ’ s decor is changed because of addition of its surface to the overall surfaces of the stu dio and also the additional absorption of its materials. It seems reverberation time changes due to studio ’ s decor is little because…
Jahangir Alam, E. H. Huntington, M. R. Frater
A passive fathometer can be formed by two vertically separated hydrophones. The depth can be estimated from the Green’s function between the hydrophones, which is calculated from the cross-correlation between ocean ambient noise fields received at those two h…
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Open Journal of Acoustics (OJA) is an international journal dedicated to the advancement of the study of acoustics. The goal of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of acoustics. Al… All articles are open access under a CC BY 4.0 licence, with authors retaining copyright.
Authors submit their manuscript, metadata, and declarations through the portal. There is no submission fee.
The editorial office screens the manuscript for scope, completeness, and formatting before assigning a handling editor.
At least two independent reviewers evaluate the manuscript under single-blind review. Where revisions are required, authors respond point by point.
On acceptance the article processing charge is invoiced and the CC BY 4.0 copyright handover is signed.
The article is copyedited, typeset, and given a DOI, then publishes open access with a permanent link.
Manuscripts must be original and not under consideration elsewhere. Submit in Microsoft Word or LaTeX with figures at 300 dpi minimum. Structure research articles as Abstract, Introduction, Methods, Results, Discussion, and References.
Use the journal's numbered (Vancouver) reference style. Cite sources consecutively in the order they appear, and ensure every reference is complete and retrievable.
Declare all funding sources, conflicts of interest, and ethical approvals (including informed consent and animal-care statements where applicable).