Experimental Research on Human Lung Injury Induced by Complex Blast Wave

doi:10.12382/bgxb.2022.1063

Abstract

Abstract:

In order to study the dynamic physical response characteristics of human lung under the blast wave in warfare conditions, a series of tests on damage effects of fuel-air-explosive projectile to an anthropomorphic test device (ATD) and sheeps in the works were carried out under non-contact static explosion conditions. In the tests, the blast test device commonly used in USA military standards and the simple dummies are used as the research objects. The pressure-time curves of ATD are obtained through 6 explosion tests, and the propagation principle of the blast wave on the surface of ATD is analyzed. The assessment of blast wave to human lung injury is compared by Axelsson injury model and UFC 3-340-02 standard. The results show that the main damage elements are blast wave and concrete fragments under the conditions. The blast wave on the surface of ATD thorax is reflected by thorax surface, and then diffracted to the other parts of ATD thorax. The pressure-time curves of ATD show the atypical blast wave characteristics and superposition convergence during propagation. In the positive phase duration interval of typical blast wave characteristics, the chest wall velocity calculated by Axelsson injury model first increases the first peak and then decreases because of the linear damping term of the Axelsson equation. Compared with UFC 3-340-02 standard, the Axelsson injury model is relatively conservative in blast injury predictions. The research results can provide references for engineering application and damage assessment.

Key words: complex blast wave, lung injury, blast test device, human thorax, chest wall velocity

CLC Number:

O389

LI Gang, XU Bingchuan, HU Bin, CAI Meng. Experimental Research on Human Lung Injury Induced by Complex Blast Wave[J]. Acta Armamentarii, 2024, 45(5): 1681-1691.

Figures/Tables 20

References 28

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发次	静爆点位置
1	洞口1右沿正前方1.45m
2	洞口1正前方1.72m
3	洞口1前方1.45m,与洞口的垂线距右沿0.43m
4	洞口1左沿正前方1.45m
5	前室左外墙体上边沿的左侧1.00m
6	洞口2前沿的左侧1.20m

发次	静爆点位置
1	洞口1右沿正前方1.45m
2	洞口1正前方1.72m
3	洞口1前方1.45m,与洞口的垂线距右沿0.43m
4	洞口1左沿正前方1.45m
5	前室左外墙体上边沿的左侧1.00m
6	洞口2前沿的左侧1.20m

发次	类别	超压峰值/kPa
		BTD				简易假人1
		1	2	3	4	1	2	3	4
1	测试值	109.41	67.27	34.20	40.82	203.49	155.83	123.93	111.87
	转换值	187.58	115.33	58.63	69.98	348.88	267.17	212.47	191.80
2	测试值	71.91	49.88	26.66	18.58	204.94	120.25	123.77	83.28
	转换值	123.29	85.52	45.71	31.85	351.36	206.16	212.20	142.78
3	测试值	50.45	33.52	27.24	15.73	210.11	68.25	103.84	84.91
	转换值	86.49	57.47	46.70	26.97	360.23	117.01	178.03	145.58
4	测试值	51.24	34.01	24.46	15.33	152.98	93.76	113.40	112.68
	转换值	87.85	58.31	41.94	26.28	262.28	160.75	194.42	193.19
5	测试值	26.34	20.35	20.64	12.13	104.40	62.89	59.13	68.59
	转换值	45.16	34.89	35.39	20.80	178.99	107.82	101.38	117.60
6	测试值	74.14	59.59	34.25	35.52	267.88	192.72	195.53	212.29
	转换值	127.11	102.17	58.72	60.90	459.27	330.41	335.23	363.96

发次	类别	超压峰值/kPa
		BTD				简易假人1
		1	2	3	4	1	2	3	4
1	测试值	109.41	67.27	34.20	40.82	203.49	155.83	123.93	111.87
	转换值	187.58	115.33	58.63	69.98	348.88	267.17	212.47	191.80
2	测试值	71.91	49.88	26.66	18.58	204.94	120.25	123.77	83.28
	转换值	123.29	85.52	45.71	31.85	351.36	206.16	212.20	142.78
3	测试值	50.45	33.52	27.24	15.73	210.11	68.25	103.84	84.91
	转换值	86.49	57.47	46.70	26.97	360.23	117.01	178.03	145.58
4	测试值	51.24	34.01	24.46	15.33	152.98	93.76	113.40	112.68
	转换值	87.85	58.31	41.94	26.28	262.28	160.75	194.42	193.19
5	测试值	26.34	20.35	20.64	12.13	104.40	62.89	59.13	68.59
	转换值	45.16	34.89	35.39	20.80	178.99	107.82	101.38	117.60
6	测试值	74.14	59.59	34.25	35.52	267.88	192.72	195.53	212.29
	转换值	127.11	102.17	58.72	60.90	459.27	330.41	335.23	363.96

参数	70kg哺乳动物	比例因子
M/kg	2.03	(M/70)
J/(N·s·m^-1)	696	(M/70)^2/3
K/(N·m^-1)	989	(M/70)^1/3
A/m²	0.082	(M/70)^2/3
V₀/m³	0.00182	(M/70)
g	1.2