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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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Hongming Cai, Zhuoran Zhang, Ziqi Li and Hongda Li
Cavity flows are a prevalent phenomenon in aerospace engineering, known for their intricate structures and substantial pressure fluctuations arising from interactions among vortices. The primary objective of this research is to predict noise levels in hi...
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Duncan M. FitzGerald, Zoe J. Hughes, Alice Staro, Christopher J. Hein, Md Mohiuddin Sakib, Ioannis Y. Georgiou and Alyssa Novak
When longshore transport systems encounter tidal inlets, complex mechanisms are involved in bypassing sand to downdrift barriers. Here, this process is examined at Plum Island Sound and Essex Inlets, Massachusetts, USA. One major finding from this study ...
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Alexis Caron-Rousseau, Pierre Blanchet and Louis Gosselin
While externally insulated wall assemblies are widely recognized for their hygrothermal performance, few research projects have focused on the impact of shifting the entire wall insulation to the exterior side of a structural cavity in cold or subarctic ...
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Kaixin Liu, Stefano Perilli, Arsenii O. Chulkov, Yuan Yao, Mohammed Omar, Vladimir Vavilov, Yi Liu and Stefano Sfarra
Natural fibres present ozone-friendly solutions in the field of construction. The attenuation of the sound and heat losses is an important feature in such type of materials above all, when used in non-woven fabrics and fibre-reinforced composites. Hemp f...
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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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Anuj Rekhy, Robert Snyder and James M. Manimala
Conventional acoustic absorbers like foams, fiberglass or liners are used commonly in structures for industrial, infrastructural, automotive and aerospace applications to mitigate noise. However, these have limited effectiveness for low-frequencies (LF, ...
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Paulo Henrique Trombetta Zannin, Eriberto Oliveira Do Nascimento, Elaine Carvalho Da Paz and Felipe Do Valle
In the modern world, noise pollution continues to be a major problem that impairs people’s health, and road traffic is a primary contributor to noise emissions. This article describes an environmental impact study of the noise generated by the reco...
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