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SOUND PRESSURE AS A TOOL IN THE ASSESSMENT OF THE SURFACE ROUGHNESS ON MEDIUM DENSITY FIBREBOARD RIP SAWING PROCESS
(Universidad del Bío-Bío, 2010)
Medidor de pressão e dose sonora
(Universidade Tecnológica Federal do ParanáCuritibaPrograma de Pós-Graduação em Engenharia Elétrica e Informática Industrial, 2009-02-26)
The study of sounds and the influence it exerts in humans has intensified in recent decades due to the large number of vehicles and industries in the centers of large cities. The equipment used to characterize the sound ...
Medição de potência acústica de fontes sonoras através dos métodos da pressão e da intensidade
(Universidade Tecnológica Federal do ParanáCuritibaBrasilGraduação em Engenharia MecânicaUTFPR, 2018-06-28)
In order to analyze and better understand the acoustic phenomenon and some of the current standards related to the theme, measurements of the sound power level of a sound source were carried out using pressure and intensity ...
The influence of microphone location on the results of urban noise measurements
(Elsevier Ltd, 2015)
Sound pressure level in a municipal preschool
(2013-04-01)
Aim: To evaluate the sound pressure level to which preschool students are exposed. Method: This was a prospective, quantitative, nonexperimental, and descriptive study. To achieve the aim of the study we used an audio ...
Laser ultrasonics system for measurement of speed of sound in gases
(2012-06-21)
In this work we developed a setup to measure the speed of sound in gases using a laser ultrasonics system. The mentioned setup is an all optical system composed by a Q-switched Nd:YAG laser to generate the sound waves, and ...
Laser ultrasonics system for measurement of speed of sound in gases
(2012-06-21)
In this work we developed a setup to measure the speed of sound in gases using a laser ultrasonics system. The mentioned setup is an all optical system composed by a Q-switched Nd:YAG laser to generate the sound waves, and ...
Projeto e protótipo de dispositivo para reduzir o som percebido por cães
(Universidade Tecnológica Federal do ParanáCuritibaBrasilGraduação em Engenharia MecânicaUTFPR, 2018-06-02)
Grounded on the analysis of dogs reacting negative to loud noises, it is possible identify the opportunity of development a product aimed to minimize stress on animals. Was analyses the relationship between humans and dogs ...