Research Article
Analysis of Blast Wave Parameters Depending on Air Mesh Size
Table 11
Comparison of analytical expressions with AT-Blast and FEM overpressures [kPa].
| | TNT mass, W | 115 kg | 230 kg | 640 kg | | | | | | |
| | Range, R | 5 m | | | | | | |
| | Scaled distance, Z | 1.028 | 0.816 | 0.580 | | | | | | |
| | FEM | 1288.31 | 2041.25 | 3877.96 | | | | | | |
| | Richardson extrapolation | 1493.96 | 2302.02 | 4571.98 | | | | | | |
| | AT-Blast | 1278.02 | 2052.44 | 3954.10 | | | | | | |
| | Authors | 115 kg | 230 kg | 640 kg | AT-Blast | FEM | | % | % |
| | Sadovskyi (1952) | 1120.85 | 2063.43 | 5236.09 | -12.3 | 0.5 | 32.4 | -13.0 | 1.1 | 35.0 |
| | Brode (1955) | 716.40 | 1332.80 | 3530.40 | -43.9 | -35.1 | -10.7 | -44.4 | -34.7 | -9.0 |
| | Naumyenko and Petrovskyi (1956) | 894.98 | 1833.90 | 5277.90 | -30.0 | -10.6 | 33.5 | -30.5 | -10.2 | 36.1 |
| | Adushkin and Korotkov (1961) | 46.43 | -74.01 | -678.98 | -96.4 | -103.6 | -117.2 | -96.4 | -103.6 | -117.5 |
| | Henrych and Major (1979) | 734.89 | 1081.54 | 2022.94 | -42.5 | -47.3 | -48.8 | -43.0 | -47.0 | -47.8 |
| | Held (1983) | 1891.86 | 3003.14 | 5941.23 | 48.0 | 46.3 | 50.3 | 46.8 | 47.1 | 53.2 |
| | Kinney and Graham (1985) | 949.71 | 1551.23 | 3044.87 | -25.7 | -24.4 | -23.0 | -26.3 | -24.0 | -21.5 |
| | Mills (1987) | 1627.44 | 3221.64 | 8920.13 | 27.3 | 57.0 | 125.6 | 26.3 | 57.8 | 130.0 |
| | Hopkins-Brown and Bailey (1998) | 849.74 | 1459.84 | 2734.52 | -33.5 | -28.9 | -30.8 | -34.0 | -28.5 | -29.5 |
| | Gelfand and Silnikov (2004) | 886.73 | 1423.76 | 2714.82 | -30.6 | -30.6 | -31.3 | -31.2 | -30.3 | -30.0 |
| | Bajić (2007) | 1799.63 | 3355.67 | 8638.99 | 40.8 | 63.5 | 118.5 | 39.7 | 64.4 | 122.8 |
| | NDEDSC | 981.10 | 1796.36 | 4530.84 | -23.2 | -12.5 | 14.6 | -23.8 | -12.0 | 16.8 |
| | UFC-3-340-02 | 800.00 | 2000.00 | 3200.00 | -37.4 | -2.6 | -19.1 | -37.9 | -2.0 | -17.5 |
| | Newmark and Hansen (1961) | 906.12 | 1647.06 | 4138.65 | -29.1 | -19.8 | 4.7 | -29.7 | -19.3 | 6.7 |
| | Wu and Hao (2005) | 953.23 | 1730.86 | 4216.17 | -25.4 | -15.7 | 6.6 | -26.0 | -15.2 | 8.7 |
| | Ahmad et al. (2012) | 2284.05 | 4232.75 | 10524.11 | 78.7 | 106.2 | 166.2 | 77.3 | 107.4 | 171.4 |
| | Siddiqui and Ahmad (2007) | 964.42 | 1499.41 | 2876.67 | -24.5 | -26.9 | -27.2 | -25.1 | -26.5 | -25.8 |
| | Ahmad et al. (2012a) | 1473.35 | 2858.18 | 7603.02 | 15.3 | 39.3 | 92.3 | 14.4 | 40.0 | 96.1 |
| | Swisdak (1994) | 1276.39 | 2048.12 | 3827.12 | -0.1 | -0.2 | -3.2 | -0.9 | 0.3 | -1.3 |
| | UFC-3-340-02 | 1200.00 | 2200.00 | 4100.00 | -6.1 | 7.2 | 3.7 | -6.9 | 7.8 | 5.7 |
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Note: 1 ft = 0.3048 m; 1 pound = 0.45 kg; 1 psi = 6.89 kPa.
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