Analysis of Blast Wave Parameters Depending on Air Mesh Size

Table 7

Comparison of maximum incident pressures in dependency of air mesh size for a gauge point at the range of 5 m.

Mesh size	TNT mass
	115 kg		230 kg		680 kg
	Pressure; kPa	Relative error %	Pressure; kPa	Relative error %	Pressure; kPa	Relative; error %
A.T.-Blast	1278.02	- -/- -	2052.44	- -/- -	3954.10	- -/- -
800 mm	546.98	57.20	880.12	57.12	1921.37	51.41
400 mm	777.40	39.17	1039.21	49.37	1738.88	56.02
200 mm	804.67	37.04	1249.39	39.13	2394.68	39.44
100 mm	1042.29	18.44	1726.91	15.86	3155.83	20.19
50 mm	1211.22	5.23	1888.42	7.99	3621.50	8.41
25 mm	1288.31	0.81	2041.25	0.55	3877.96	1.93
12.5 mm	1371.32	7.30	2128.35	3.70	4054.35	2.54
6.25 mm	1429.73	11.87	2185.07	6.46	4231.93	7.03
3.13 mm	1454.85	13.84	2224.99	8.41	4310.66	9.02
1.56 mm	1476.05	15.50	2258.57	10.04	4386.38	10.93
0.78 mm	1495.13	16.99	2290.79	11.61	4537.93	14.77
0.39 mm	1494.03	16.90	2299.11	12.02	4565.71	15.47

Note: 1 inch = 25.4 mm; 1 pound = 0.45 kg; 1 psi = 6.89 kPa.