Analysis of Blast Wave Parameters Depending on Air Mesh Size

Table 8

Comparison of maximum reflected 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	7553.90	- -/- -	13738.63	- -/- -	30696.49	- -/- -
800 mm	809.36	89.29	1227.29	91.07	1940.14	93.68
400 mm	1464.37	80.61	2252.22	83.61	4495.97	85.35
200 mm	2445.90	67.62	4170.33	69.65	8773.19	71.42
100 mm	5022.42	33.51	8699.76	36.68	17584.10	42.72
50 mm	6890.83	8.78	11566.10	15.81	24086.70	21.53
25 mm	8201.13	8.57	13727.50	0.08	29398.30	4.23
12.5 mm	8875.48	17.50	15104.70	9.94	31977.90	4.17
6.25 mm	10161.60	34.52	15445.50	12.42	32894.80	7.16
3.125 mm	10126.00	34.05	15568.20	13.32	32953,00	7,35

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