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Evaluating the consequences of the new standards on noise conditions in ships | ||
| Pollution | ||
| مقاله 2، دوره 1، شماره 2، تیر 2015، صفحه 127-138 اصل مقاله (462.82 K) | ||
| نوع مقاله: Original Research Paper | ||
| شناسه دیجیتال (DOI): 10.7508/pj.2015.02.002 | ||
| نویسندگان | ||
| Rebeca Bouzón1؛ Angel M Costa1؛ Gholamreza Roshan* 2؛ J.A. Orosa1 | ||
| 1Department of Energy, University of A Coruña, Paseo de Ronda 51, 15011, A Coruña, Spain | ||
| 2Department of Geography, University of Golestan, Gorgan, Iran | ||
| چکیده | ||
| Noise is one of the main parameters to be considered to achieve a healthy indoor ambience in ferries. Therefore, the noise standards need to be more specialized and specifically based on real sampled data and case studies. In the present research, the noise levels in a ship, under different working conditions, were sampled and compared with those specified in the new and old standards. An initial study showed two main noise sources- clients and main engine- that influence other indoor environments, reducing the quality of life on board. The real-time data revealed that the maximum noise level limits set by the International Maritime Organization (IMO) in the older Resolution A.468 (XII) was mostly respected, except in areas where maintenance of the noise level was difficult, owing to the continuous influx of people, especially at the time of boarding and disembarking of the passengers and at the food self-service areas. In this sense, under the new Resolution MSC.337 (91), the maximum noise level allowed in the accommodation has been reduced by 5 dB (A), but this environment does not meet the standard. More results show that future standards must not only consider the noise level in a working place and add another variable, such as, the number of working hours, to obtain a representative equivalent energy, and they must also consider that a simple modification of this standard implies a redesign of most of the indoor ambiences onboard. | ||
| کلیدواژهها | ||
| case studies؛ noise regulations؛ shipping؛ Spain | ||
| مراجع | ||
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