Avaliação do condicionamento acústico de um auditório universitário: resultados medidos e simulados

Knowledge about the behavior of the sound in environments has significant importance, especially in multipurpose auditoriums, the study object in this research, as they demand acoustic conditioning that is suitable for the various activities conducted in the place, both musical and spoken word. So t...

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Autor principal: Reda, Nathália Helena Martini
Formato: Trabalho de Conclusão de Curso (Graduação)
Idioma: Português
Publicado em: Universidade Tecnológica Federal do Paraná 2023
Assuntos:
Som
Acesso em linha: http://repositorio.utfpr.edu.br/jspui/handle/1/30720
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Resumo: Knowledge about the behavior of the sound in environments has significant importance, especially in multipurpose auditoriums, the study object in this research, as they demand acoustic conditioning that is suitable for the various activities conducted in the place, both musical and spoken word. So that the behavior of sound in closed rooms can be studied, it is essential to know the geometries, surfaces and materials present in the environment. The present study aims to analyze the acoustic conditioning, specifically the objective acoustic parameter Reverberation Time (RT), of the Auditorium of UNICENTRO campus CEDETEG located in the city of Guarapuava-PR, through a set of measurements of impulse response performed in situ, according to the procedures described in NBR ISO 3382-1:2017, which were also used to validate the computational geometric model created in the RAVEN software, and then, through computational simulations, the constructive solutions present in the project were evaluated. From the results obtained with the measurements and simulations, it could be concluded that the auditorium does not have an adequate acoustic conditioning for its use, especially for activities related to the perception of the word, however, through changes in the geometry and composition of the materials of the auditorium, in particular, the replacement and lowering of the ceiling and installation of 25 mm acoustic panels with 50 mm of glass wool on the walls, an ideal value for the reverberation time was reached. Also, if allied to validation and further refinement of the material's sound coefficients, the computational geometric model developed could be used in the future to study the improvement of other acoustic parameters in the auditorium.