|
|
|
|
|
Xiaoyun Zhang, Xiaoan Zhang, Jiangang Xu, Li Yang and Gao Song
In the actual operation of urban rail transit (URT), the vibrations of steel-spring floating-slab tracks (SSFSTs) are amplified, and the track structure has strong low-frequency acoustic radiation; therefore, it is necessary to study the acoustic radiati...
ver más
|
|
|
|
|
|
|
|
|
|
|
Antonella Bevilacqua, Giovanni Amadasi, Gino Iannace and Amelia Trematerra
This manuscript treats the acoustic analysis of a garden located in Rufolo?s villa, south of Italy, which has already been studied to install some acoustic panels to improve the response across the seating area. After a campaign of acoustic measurements,...
ver más
|
|
|
|
|
|
|
|
|
|
|
Christian Lehr, Pascal Munsch, Romuald Skoda and Andreas Brümmer
The acoustic properties of a single-stage centrifugal pump with low specific speed are investigated by means of compressible 3D CFD simulations (URANS) and experiments. In order to determine the pump?s acoustic transmission and excitation characteristics...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hanna Autio and Erling Nilsson
It is vital to consider acoustic scattering when using geometrical acoustic simulation techniques, such as ray tracing. However, there are few methods for modelling scattering, and most rely on strong assumptions of uniformity on the distribution of scat...
ver más
|
|
|
|
|
|
|
|
|
|
|
Kaustubha Raghukumar, Grace Chang, Frank Spada and Craig Jones
NoiseSpotter is a passive acoustic monitoring system that characterizes, classifies, and geo-locates anthropogenic and natural sounds in near real time. It was developed with the primary goal of supporting the evaluation of potential acoustic effects of ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Vaia Tsiokou, Louena Shtrepi, Elena Badino, Arianna Astolfi and Anna Karatza
Acoustic materials are widely used for improving interior acoustics based on their sound absorptive or sound diffusive properties. However, common acoustic materials only offer limited options for customizable geometrical features, performance, and aesth...
ver más
|
|
|
|
|
|
|
|
|
|
|
Andreas P. Mayer, Elena A. Mayer, Markus Mayer, Werner Ruile, Vikrant Chauhan, Thomas Forster and Karl C. Wagner
In the framework of electro-elasticity theory and the finite element method (FEM), a model is set up for the computation of quantities in surface acoustic wave (SAW) devices accounting for nonlinear effects. These include second-order and third-order int...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jin Yan, Jiangfeng Li, Lvlong Zou, Dapeng Zhang, Cheng Wang and Zhi Tang
Based on the theory of acoustic?solid coupling, the phase velocity-thickness product of a double-layer liquid-filled pipeline is analyzed, and the dispersion relationship between angular frequency and wavenumber?thickness product is analyzed, providing a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Reza Hedayati and Mahdi Bodaghi
|
|
|
|
|
|
|
|
|
|
|
Huaxin Pan, Kangxu Tang, Jia Zhuo, Yuming Lu, Jialong Chen and Zhichao Lv
Acoustic monitoring is an efficient technique for oil spill detection, and the development of acoustic technology is conducive to achieving real-time monitoring of underwater oil spills, providing data references and guidance for emergency response work....
ver más
|
|
|
|
|
|
|
|
|
|
|
Jingyi Mu, Tian Wang and Zhenlin Zhang
As a significant part of heritage building protection, an increasing number of researchers pay attention to the study of the acoustic environment. The purpose of this study was to provide a clear understanding of the status quo of acoustic environment re...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jifeng Zhu, Xiaohe Pan, Zheng Peng, Mengzhuo Liu, Jingqian Guo and Jun-Hong Cui
The establishment of the Underwater Internet of Things (UIoT) and the realization of interconnection between heterogeneous underwater intelligent devices are urgent global challenges. Underwater acoustic networking is the most suitable technology to achi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Antonella Bevilacqua, Silvana Sukaj, Gino Iannace and Amelia Trematerra
The discovery of Roman amphitheaters continues to excite the minds of archaeologists. Within the framework of various excavation campaigns, the architectural requalification of the amphitheater of Durres has been investigated, but no acoustic analyses ha...
ver más
|
|
|
|
|
|
|
|
|
|
|
Brian G. Sanderson, Richard H. Karsten and Daniel J. Hasselman
An area has been designated for demonstrating the utility of marine hydrokinetic turbines in Minas Passage, Bay of Fundy. Marine renewable energy may be useful for the transition from carbon-based energy sources, but there is concern for the safety of fi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Filippo Campagnaro, Fabian Steinmetz and Bernd-Christian Renner
Traditionally, underwater acoustic modems and positioning systems were developed for military and Oil & Gas industries, that require deep water deployments and extremely reliable systems, focusing on high power expensive systems and leaving the use o...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xiaoyu Yang, Siyuan Zheng, Yanfeng Zhao, Dongsheng Chen, Feng Tong and Shuaifeng Hao
Originating from the concept of cognitive networks (CNs), which are becoming popular in wireless terrestrial communication scenarios, underwater acoustic cognitive networks (UACNs) are drawing more and more attention in the field of the Internet of Under...
ver más
|
|
|
|
|
|
|
|
|
|
|
Krasimir Nedelchev, Elitsa Gieva, Ivan Kralov and Ivelina Ruskova
In the presented article we have investigated the variation of the sound pressure level in characteristic areas around an element of an acoustic barrier with an elliptical shape at different frequencies (from 100 Hz to 2000 Hz). The variation of the soun...
ver más
|
|
|
|
|
|
|
|
|
|
|
Chiara Rubino, Stefania Liuzzi and Francesco Martellotta
Resource-efficient buildings are one of the most important challenges of the construction industry, which could be achieved by limiting the extraction of natural resources and by replacing them with industrial residues. The present work proposes innovati...
ver más
|
|
|
|
|
|
|
|
|
|
|
Lamberto Tronchin, Antonella Bevilacqua and Ruoran Yan
The Ponchielli theater of Cremona was built in 1808 after a fire destroyed the old wooden structure. The interior, the architecture and the shape of the plan layout are reminiscent of the Teatro alla Scala, Milan, a masterpiece by the architect Piermarin...
ver más
|
|
|
|
|
|
|
|
|
|
|
Qun Yan, Dongwen Xue, Qinqin Mu, Jiafeng Yang, Xiang Gao and Wenchao Huang
An aircraft nacelle acoustic liner is a key mean of aircraft noise reduction. The success of its design depends strongly on the development of experimental technology, which is generally divided into two stages: impedance eduction and the modal verificat...
ver más
|
|
|
|
|
|