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Haydar Aygun
A computational and theoretical investigation of acoustical and vibrational properties of rigid thin fiberglass material was carried out for different boundary conditions. Fiberglass materials could be applied in industries varying from the aircraft and ...
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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...
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Dimo Dimov, Toncho Penev and Ivaylo Marinov
Noise is defined as unwanted sound, whether chronic or periodic, and can be described in a variety of terms, including its frequency, intensity, frequency spectrum, and sound pressure shape over time. The sources of noise can be technical devices, variou...
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Maximilian Granzner, Alfred Strauss, Michael Reiterer, Maosen Cao and Drahomír Novák
Railway noise barrier constructions are subjected to high aerodynamic loads during the train passages, and the knowledge of their actual structural condition is relevant to assure safety for railway users and to create a basis for forecasting. This paper...
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Rehab O. Abdel Rahman, Ahmed M. El-Kamash and Yung-Tse Hung
Permeable concrete is a class of materials that has long been tested and implemented to control water pollution. Its application in low-impact development practices has proved its efficiency in mitigating some of the impacts of urbanization on the enviro...
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Dusan Jandacka, Martin Decky, Katarina Hodasova, Peter Pisca and Dusan Briliak
The authors present the unsolved issue of the contextual design of urban intersections (UI) from the point of view of traffic noise emissions around residential buildings in the Slovak context. Noise barriers are very rarely used in urban areas, due to s...
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Nikolaos M. Papadakis and Georgios E. Stavroulakis
Noise barriers are a critical part of noise mitigation in urban and rural areas. In this study, a comparison of the insertion loss calculations of noise barriers via the Finite Element Method (FEM) and various formulae (Kurze?Anderson, ISO 9613-2/Tatge, ...
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Edoardo Alessio Piana and Nicolaas Bernardus Roozen
Reduction of the noise impact of electrical substations through a hybrid control strategy based on passive noise barriers and auditory masking.
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Xiaofan Huang, Haishan Zou and Xiaojun Qiu
Sound barriers can be configured with different top edge impedance to improve their noise control performance. In this paper, the integral equation method was used to calculate the sound field of a barrier with various top edge impedance, and the effects...
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Andrea E. Copping, Mikaela C. Freeman, Alicia M. Gorton and Lenaïg G. Hemery
Marine renewable energy (MRE) is under development in many coastal nations, adding to the portfolio of low carbon energy sources that power national electricity grids as well as off-grid uses in isolated areas and at sea. Progress in establishing the MRE...
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