Noise attenuation using panels made of polymer composite materials

It promotes today in Romania a competitive industrial policy principles in order to increase adaptability of Romanian economy the demands of increasingly high market, in terms of trends of economic globalization where to unreported, but the real market is. Economy and industry, attracts serious concerns about environmental pollution. This is the environmental contamination with materials harmful to health, quality of life or the natural functioning of ecosystems. Although some environmental pollution is the result of the action of nature is mostly caused by human activity. We live in a world of sounds without doubt essential in terms of communication and / or transfer information. Nature provides for us an abundant variety of sound sources, but the usual man-up health problems for the environment. Noise pollution is human or animal exposure to sound levels annoying, stressful or harmful. Noise pollution generally refers to unwanted sound produced by human activities undesirable in that it interferes with communication, work, rest, recreation, or sleep. Unlike other types of pollution such as air, water, and hazardous materials, noise is not much time remains in the environment.