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Effects of mean flow convection, quadrupole sources and vortex shedding on airfoil overall sound pressure level
(Academic Press Ltd- Elsevier Science LtdLondonInglaterra, 2013)
Loudness scattering due to vibro-acoustic model variability
(Associação Brasileira de Engenharia e Ciências Mecânicas - ABCM, 2012)
The use of numerical simulation in the design and evaluation of products performance is ever increasing. To a greater extent, such estimates are needed in a early design stage, when physical prototypes are not available. ...
Caracterización acústica de una industria de la ciudad de Medellín por medio de intensidad acústica basado en Sonda PU
(IngenieriasIngeniería de SonidoMedellín, 2017)
AERODYNAMIC LOADS MEASUREMENT OF A SOUNDING ROCKET VEHICLE TESTED IN WIND TUNNEL
(Imeko, 2009-01-01)
In wind tunnels, aerospace vehicle models are tested in order to analyze their performance in real flight situations. The forces and moments exerted by the airflow on the surface of the test article are measured using ...
Aerodynamic loads measurement of a sounding rocket vehicle tested in wind tunnel
(2009-12-01)
In wind tunnels, aerospace vehicle models are tested in order to analyze their performance in real flight situations. The forces and moments exerted by the airflow on the surface of the test article are measured using ...
REDUCING THE GAS PRESSURE DROP IN SUCTION MUFFLERS OF HERMETIC RECIPROCATING COMPRESSORS
(Int Inst Refrigeration, 2011-01-01)
The suction muffler of hermetic reciprocating compressors is installed in order to attenuate the noise generated by the gas pulsation of the flow through the suction valve. However, the installation of the suction muffler ...
Environmental noise in hospitals: a systematic review
(2021-04-01)
Environmental noise has been growing in recent years, causing numerous health problems. Highly sensitive environments such as hospitals deserve special attention, since noise can aggravate patients’ health issues and impair ...
Relações entre índices urbanísticos da forma urbana e a acústica ambiental
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Engenharia Urbana - PPGEU, 2013-11-20)
Noise pollution in urban areas has been an usual problem in several Brazilian cities. However, this issue does not take into account the urban morphology and its constant changes. Therefore, sound mapping is a helping tool ...
Densities, speeds of sound, and refractive indices for binary mixtures of 1-butyl-3-methylimidazolium methyl sulphate ionic liquid with alcohols at T = (298.15, 303.15, 308.15, and 313.15) K
(Academic Press Ltd- Elsevier Science LtdLondonInglaterra, 2013)
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 ...