Yıl 2022,
, 161 - 178, 20.09.2022
Hatice Mehtap Buluklu
,
Filiz Bal Koçyiğit
,
Ercan Köse
Kaynakça
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Analysis of different methods of suppressing generator noise reaching indoor noise
Yıl 2022,
, 161 - 178, 20.09.2022
Hatice Mehtap Buluklu
,
Filiz Bal Koçyiğit
,
Ercan Köse
Öz
The noise which occurs during the operation of the auxiliary power units is a disturbing factor, although its level varies depending on the environment. This high level of noise in occupational areas can cause not only health but also accidents risks. While silencers are mostly preferred for active noise control, acoustic foam or textile products are preferred according to passive control methods. In this review, the noises produced by the generators were examined and the studies in the literature on suppressing these noises were evaluated by making comparative analyzes. New recommendations have been developed according to the results of the comparative analysis. In case the sampled natural gas generator is closed with 2 mm thick plywood and a steel framed box covered with an acoustic sponge, the sound pressure level is approximately 30 dB in low frequency diesel + electric generators using a silencer according to active control methods. In measurements; It was observed that it decreased from 93.2 to 88.4 dB. While materials such as an acoustic sponge, which are preferred in passive control methods, are open-celled and porous structures, it is advantageous to have sound absorption capacity, but it can be a disadvantage due to its synthetic content.
Kaynakça
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