Zobrazeno 1 - 10
of 139
pro vyhledávání: '"Luís Godinho"'
Autor:
Jesús Carbajo, Pedro Poveda-Martínez, Luís Godinho, Andreia Pereira, Anna Gaspar, Paulo Amado-Mendes, Diogo Mateus, Jaime Ramis
Publikováno v:
Applied Sciences, Vol 14, Iss 5, p 2094 (2024)
Variable acoustics systems are promising engineering developments for multi-purpose rooms and workspaces in many buildings. However, due to space requirements associated with most of the tuning devices used for that purpose, these solutions are hardl
Externí odkaz:
https://doaj.org/article/97a77879c2dd41c7ac9f68aa2194c81d
Publikováno v:
Applied Sciences, Vol 14, Iss 3, p 969 (2024)
The growth in the utilization and development of rail transport within urban networks is crucial for transitioning towards a more sustainable form of mobility. However, challenges related to discomfort and noise pollution arising from rail traffic mu
Externí odkaz:
https://doaj.org/article/eb6e1ed4ffd84caab90da737e8e58c00
Publikováno v:
Environments, Vol 10, Iss 7, p 116 (2023)
Recent research has been developed by different groups towards the development of sonic crystals as noise barriers. The present paper aims to contribute to this research, focusing on the possible application of this technology in practice, and explor
Externí odkaz:
https://doaj.org/article/302688bc0cb54408bfb790218bfaec53
Autor:
Kleber de Almeida Gonçalves, Daniela Silva Santurio, Delfim Soares, Pedro Alves Costa, Luís Godinho
Publikováno v:
Applied Sciences, Vol 13, Iss 6, p 4001 (2023)
The use of boundary elements in the analysis of exterior acoustic problems poses challenges at specific frequencies, since fictitious eigenfrequencies may arise at the internal resonances of cavities, leading to inaccurate results or even unstable be
Externí odkaz:
https://doaj.org/article/f98fd17b41064104919aa052e5e7f1b9
Autor:
Laura Sousa, Luís Pereira, David Montes-González, Denilson Ramos, Paulo Amado-Mendes, Juan Miguel Barrigón-Morillas, Luís Godinho
Publikováno v:
Applied Sciences, Vol 13, Iss 4, p 2638 (2023)
Noise barriers are common noise mitigation measures usually implemented near roads or railways, with proven efficiency. This work presents a study of a porous concrete material incorporating expanded clay as aggregate, to be used on the sound-absorpt
Externí odkaz:
https://doaj.org/article/018a9b772d9541e4a2a3660743b58e58
Publikováno v:
Applied Sciences, Vol 12, Iss 6, p 2960 (2022)
Rail transport is the most sustainable transportation mode, with the lowest energy consumption and carbon footprint. However, the noise induced by railway traffic in urban regions is a significant drawback and several reports point out the risks and
Externí odkaz:
https://doaj.org/article/c853920c926f49ba9d6c552c1ddbe134
Autor:
Andreia Pereira, Anna Gaspar, Luís Godinho, Paulo Amado Mendes, Diogo Mateus, Jesus Carbajo, Jaime Ramis, Pedro Poveda
Publikováno v:
Buildings, Vol 11, Iss 11, p 543 (2021)
An important challenge for acoustic engineers in room acoustics design is related to the acoustic performance of multi-purpose auditoriums, which are typically designed to suit several performance requirements. With this intent, the analysis of sever
Externí odkaz:
https://doaj.org/article/c21e1b4cdacf484da64c7746375b9aae
Publikováno v:
Metals, Vol 10, Iss 6, p 768 (2020)
This paper focuses on the development of hybrid structures containing two different classes of porous materials, nanocomposite foams made of polyurethane combined with graphene-based materials, and aluminum open-cell foams (Al-OC). Prior to the hybri
Externí odkaz:
https://doaj.org/article/c95741c85a344919b6173d926b75ed48
Publikováno v:
Journal of Applied Mathematics, Vol 2014 (2014)
Externí odkaz:
https://doaj.org/article/64a36afa852a43c8b08ef86ad3f41e82