EVALUATION AND REDUCES NOISE FROM ACTIVITIES CARRIED OUT AN INDUSTRIAL UNIT PUBLISHEDElena Marica and Lector univ. dr. ing. M.T. Corches
Abstract: Although noise, like other types of pollution has negative effects on the human body, it is neglected. With industrialization producing artificial noise sources have increased, this process was stressed lately because of the progress of automation and increased traffic. The population is exposed to noise, all the time, and those who are working in an environment where noise levels exceed permitted limits, namely 75dB are at risk of losing their hearing, to suffer from insomnia, stress, fatigue, pain headache, mental disorders, heart disorders, hypertension etc. The purpose of this paper is to find a solution to reduce or stop the noise from a factory porcelain produced by the devices used in the manufacture of porcelain objects, bringing added convenience to employees First they were identified sources of noise in the factory producing and using a sound meter measured noise both at source and the receiver, both during breaks and at work. Using formulas were calculated sound pressure level, the level of daily noise exposure, uncertainty coefficient of sensitivity. It has been found that the difference between the noise level and the level during the work produced during breaks noise is about 4 dB. We analyzed three ways to combat noise: noise abatement at source, combating noise propagation path and receiver noise abatement. The most effective of the three methods is the first namely to combat noise at source achieved by: installing noise source (machinery, equipment) elements vibroinsulator, attaching silencers, modifying equipment and technologies, insulation components vibrating using a machine that emit lower noise levels
noise pollution, reduction of noise, noise sources. methods to combat noise.