Ðèñóíîê 4.
Ýôôåêòèâíîñòü ïëàñòèí÷àòîãî ãëóøèòåëÿ â çàâèñèìîñòè îò òîëùèíû ïëàñòèíû
ÇÏÊ ãëóøèòåëÿ:
ìàòû ÑÒÂ, ρçïì = 15–20 êã/ì3, ñòåêëîòêàíü
Ý-0.1, ïåðôîðèðîâàííûé ëèñò, Fïåðô.= 19,6 %;
1 – 2h = 100 ìì, à = 100 ìì ( ρçïì = 20 êã/ì3);
2 – 2h = 200 ìì, à = 200 ìì (
ρçïì = 15 êã/ì3);
3 – 2h = 400 ìì, à = 400 ìì ( ρçïì = 15 êã/ì3);
4 – 2h = 800 ìì, à = 800 ìì (
ρçïì = 15 êã/ì3) |