Performance improvement of long-range underwater acoustic communication in deep water using spatiotemporal diversity [PDF]
, 2019 Heejin Park +4 more
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Advances in Mechanical Engineering, 2019 A one-way fluid-to-acoustic coupling approach which combines the computational fluid dynamics and the acoustic finite element method is employed to predict the acoustic attenuation performance of perforated silencers in the presence of non-uniform flow ...
Hongpu Huang, Zhixiang Chen, Zhenlin Ji
doaj +1 more source
Investigation on the Effects of Acoustic Liner Variation and Geometry Discontinuities on the Acoustic Performance of Lined Ducts [PDF]
, 2020 Amine Makni +3 more
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The Impact of HVAC Systems on Speech Intelligibility in University Classrooms
Archives of AcousticsGood speech intelligibility in university classrooms is crucial to the learning process, ensuring that students can clearly hear all conversations taking place in the classroom.
Akın OKTAV +3 more
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Effects of inlet treatment location and treatment cavity depth on compressor noise [PDF]
The ability of acoustic liners to reduce compressor noise inside and in front of an inlet was studied. An axial flow research compressor and a specially designed inlet were used inside an anechoic chamber.
Clark, L. R.
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Acoustic Performance of Pre-Finished Steel Buildings [PDF]
, 2017 Hanyu Leng, Jian Feng Guo, Fanchang Kong
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Vibrational Effects on the Acoustic Performance of Multi-Layered Micro-Perforated Metamaterials [PDF]
, 2023 Cédric Maury, Teresa Bravo
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Performance and influencing factors of acoustic grating based on signal enhancement
Xibei Gongye Daxue XuebaoIn the acoustic signal receiving section of underwater vehicle, an effective measure to improve surface acoustic impedance and reduce signal attenuation is to cover acoustic barrier plate of hydrophone array with high impedance material (signal ...
YANG Lei +5 more
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Aero-acoustic performance comparison of core engine noise suppressors on NASA quiet engine C [PDF]
The relative aero-acoustic effectiveness of two core engine suppressors, a contractor-designed suppressor delivered with the Quiet Engine, and a NASA-designed suppressor was evaluated.
Bloomer, H. E., Schaefer, J. W.
core +1 more source
Acoustic Performance of Floors Made of Composite Panels. [PDF]
Materials (Basel), 2023 Nurzyński J, Nowotny Ł.
europepmc +1 more source