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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....
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Alexander Lange, Ronghua Xu, Max Kaeding, Steffen Marx and Joern Ostermann
Regular inspections of important civil infrastructures are mandatory to ensure structural safety and reliability. Until today, these inspections are primarily conducted manually, which has several deficiencies. In context of prestressed concrete structur...
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Ann E. A. Blomberg, Ivar-Kristian Waarum, Christian Totland and Espen Eek
Carbon capture and storage (CCS) could significantly contribute to reducing greenhouse gas emissions and reaching international climate goals. In this process, CO2 is captured and injected into geological formations for permanent storage. The injected pl...
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Filippo Giammaria Praticò, Rosario Fedele, Vitalii Naumov and Tomas Sauer
The current methods that aim at monitoring the structural health status (SHS) of road pavements allow detecting surface defects and failures. This notwithstanding, there is a lack of methods and systems that are able to identify concealed cracks (particu...
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Marco Zappatore,Antonella Longo,Mario A. Bochicchio
Pág. 53 - 67
Environmental pollution and the corresponding control measurements put in place to tackle it play a significant role in determining the actual quality of life in modern cities. Amongst the several pollutant that have to be faced on a daily basis, urban n...
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Edna S. Cárdenas, Samuel K. Takazawa, Milton A. Garcés, David L. Chichester, Riley D. Hunley and Chris D. Young
Persistent low-frequency (<180 Hz) acoustic detection took place within the boundaries of Oak Ridge National Laboratory to monitor full power operations of the High Flux Isotope Reactor. Three acoustic sensors were installed at distances of 69, 101, and ...
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Vivian Schiller, Sandra Klaus, Ali Bilen and Gisela Lanza
The complexity of products increases considerably, and key functions can often only be realized by using high-precision components. Microgears have a particularly complex geometry and thus the manufacturing requirements often reach technological limits. ...
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Grigory Dolgikh, Yuri Morgunov, Alexander Burenin, Vladimir Bezotvetnykh, Vladimir Luchin, Aleksandr Golov and Alexander Tagiltsev
The methodological and technical possibilities of monitoring temperature fields in the Sea of Japan by acoustic thermometry methods are presented. The proposed tomographic method for monitoring the dynamics and structure of water is based on the transmis...
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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...
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Sayako Kodera, Leander Schmidt, Florian Römer, Klaus Schricker, Saichand Gourishetti, David Böttger, Tanja Krüger, András Kátai, Benjamin Straß, Bernd Wolter and Jean Pierre Bergmann
With the increasing power and speed of laser welding, in-process monitoring has become even more crucial to ensure process stability and weld quality. Due to its low cost and installation flexibility, acoustic process monitoring is a promising method and...
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Ci-Rong Huang and Ming-Chyuan Lu
In the development of a tool wear monitoring system in milling, the complex cutting path always brings challenges to the system?s reliability in the production line. The cutting path effect on the acoustic emission (AE) and vibration signals during the m...
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Omotayo Farai, Nicole Metje, Carl Anthony and David Chapman
Wireless sensor networks (WSN) have emerged as a robust and cost-effective solution for buried pipeline monitoring due to the low cost (a maximum of a few tens of UK pounds (GBP)), low power supply capacity (in the order of 1 watt/hour) and small size (c...
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Indrakshi Dey and Nicola Marchetti
In this paper, we develop a tractable mathematical model and an emulation framework for communicating information through water using acoustic signals. Water is considered one of the most complex media to model due to its vastness and variety of characte...
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Jianbin Li, Yi He, Qian Li and Zhen Zhang
The detection of bolt loosening using vibro-acoustic modulation (VAM) has been increasingly investigated in the past decade. However, conventional nonlinear coefficients, derived from theoretical analysis, are usually based on the assumption of ideal wav...
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Martijn T. G. Janssen, Auke Barnhoorn, Deyan Draganov, Karl-Heinz A. A. Wolf and Sevket Durucan
As part of a seismic monitoring project in a geothermal field, where the feasibility of re-injection and storage of produced CO2 is being investigated, a P- and S-wave seismic velocity characterisation study was carried out. The effect of axial (up to 95...
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Rachel Charish, Simon Berrow and Joanne O?Brien
The Shannon dolphins are a population of bottlenose dolphins resident year round within the Lower River Shannon SAC, Ireland, which has been designated to protect this relatively small, genetically discrete population. Although trends in habitat use and ...
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Kun Li, Natalia A. Sidorovskaia, Thomas Guilment, Tingting Tang and Christopher O. Tiemann
Passive acoustic monitoring has been successfully used to study deep-diving marine mammal populations. To assess regional population trends of sperm whales in the northern Gulf of Mexico (GoM), including impacts of the Deepwater Horizon platform oil spil...
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Matteo Sanguineti, Carlo Guidi, Vladimir Kulikovskiy and Mauro Gino Taiuti
The passive acoustic monitoring of cetaceans is a research method that can provide unique information on the animal?s behaviour since the animals can be studied at great depths and at a long-range without interference. Nevertheless, the real-time data co...
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Marta Picciulin, Chiara Facca, Riccardo Fiorin, Federico Riccato, Matteo Zucchetta and Stefano Malavasi
Boat noise is known to have a detrimental effect on a vulnerable Mediterranean sciaenid, the brown meagre Sciaena umbra. During summer 2019, two acoustic surveys were conducted at 40 listening points distributed within the inlet areas of Venice (northern...
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Mathijs Carmen, Simon D. Berrow and Joanne M. O?Brien
The Shannon Estuary in Ireland is home to a resident population of bottlenose dolphins (Tursiops truncatus) and is designated as a Special Area of Conservation under the EU Habitats Directive. It is an important industrial area, with numerous deep-water ...
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