Environmental Engineering Reference
In-Depth Information
Table 2.8 Injury statistics of animals from the different super pressure of air shock waves
Group number
Parameters of shock waves
(1)
(2)
Injury
Injury degree
Δ
P (kg/cm
2
)
t
I
(ms)
t
+
(ms)
(3)
(4)
(11)
(12)
(13)
(19)
(20)
(21)
(22)
(5)
(6)
(7)
(8)
(9)
(10)
(14)
(15)
(16)
(17)
(18)
I
1.52
1.64
200
237
1,040
1,100
6
0
6
-
-
-
I
1.66
-
2.00
202
-
218
1,040
-
1,140
6
1
1
1
5
I
2.25
-
4.09
162
-
218
1,040
-
1,380
10
7
5
2
3
1
7
3
I
4.09
4.79
138
169
1,380
1,800
4
3
2
1
1
2
1
1
1
3
1
-
-
-
I
5.29
-
5.87
137
-
140
1,324
-
1,900
6
6
1
1
2
3
3
4
1
1
2
1
3
2,320 3 3 1 1 1 1 1 1 3 3 3 1 1 1 1
Total 35 20 9 2 3 8 1 8 10 2 1 4 4 1 3 2 15 15
Note (1) Number of animals in experiment; (2) number of being injured; (3) myocardial blooding; (4) myocardial necrosis; (5) mild; (6) medium; (7) severe; (8) mild; (9) medium; (10) severe; (11) empsyxis;
(12) ruptured ear drum; (13) blooding of other organs; (14) bladder; (15) stomach; (16) epinephros; (17) spleen; (18) brain; (19) severe; (20) medium; (21) mild; (22) no
I
6.00
-
6.38
142
-
154
1,960
-
