圆形消声管道动态插入损失
|
消声管道Ømm |
63 |
125 |
250 |
500 |
1K |
2K |
4K |
8K |
阻力系数 |
|
倍频程动态插入损失/dB |
|||||||||
|
250 |
4 |
9 |
14 |
17 |
13 |
10 |
7 |
5 |
0.5 |
|
320 |
4 |
9 |
13 |
16 |
14 |
10 |
8 |
6 |
0.51 |
|
400 |
5 |
10 |
13 |
16 |
15 |
11 |
9 |
6 |
0.55 |
|
500 |
4 |
9 |
12 |
14 |
14 |
10 |
8 |
5 |
0.52 |
|
630 |
5 |
10 |
15 |
17 |
14 |
11 |
8 |
6 |
0.54 |
|
800 |
6 |
11 |
14 |
16 |
15 |
12 |
9 |
6 |
0.5 |
|
1000 |
6 |
11 |
13 |
15 |
15 |
12 |
10 |
7 |
0.63 |
|
＞1000 |
5 |
10 |
12 |
14 |
14 |
12 |
10 |
5 |
0.66 |
