基于无人机投放灭火弹的雾场铺展特性及灭火效能研究

doi:10.16265/j.cnki.issn1003-3033.2023.S1.4006

中国安全科学学报 ›› 2023, Vol. 33 ›› Issue (S1): 185-191.doi: 10.16265/j.cnki.issn1003-3033.2023.S1.4006

基于无人机投放灭火弹的雾场铺展特性及灭火效能研究

李聪¹(), 金衍科¹, 许文博¹, 李成武¹, 邹彪²

¹ 中国矿业大学(北京) 应急管理与安全工程学院, 北京 100083
² 国网电力空间技术有限公司, 北京 102219

收稿日期:2023-02-21 修回日期:2023-05-13 出版日期:2023-06-30
作者简介:
李聪 (1991—),男,安徽淮南人,博士,讲师,主要从事森林火灾动力学、火灾图像识别研究。E-mail:18600156862@163.com。
李成武教授
邹彪高级工程师
基金资助:
国家自然科学基金联合基金资助(U2033206); 中央高校基本科研业务经费优秀青年教师项目(2022YQAQ05); 贵州省科技计划项目(黔科合支撑[2021]一般514); 国网通用航空有限公司科技项目(1100/2021-44003B)

Study on spreading characteristics and fire extinguishing efficiency of water mist based on UAV-borne fire extinguishing bombs

LI Cong¹(), JIN Yanke¹, XU Wenbo¹, LI Chengwu¹, ZOU Biao²

¹ School of Emergency Management and Safety Engineering, China University of Mining and Technology-Beijing, Beijing 100083, China
² State Grid Electric Power Space Technology Company Limited, Beijing 102219, China

Received:2023-02-21 Revised:2023-05-13 Published:2023-06-30

摘要/Abstract

摘要：

为验证无人机载灭火弹灭火的可行性及灭火效能,设计并优化机载灭火弹的结构,制定无人机投弹灭火流程;开展无人机投弹灭火的实地试验、全尺寸试验;采用高清摄像机记录机载灭火弹投放、爆炸、雾场铺展及作用灭火全过程,统计分析铺展面积、真实爆破高度等参数,研究不同投弹技术参数对灭火弹灭火效能的影响。研究结果表明:无人机载灭火弹的投弹高度误差小于3.5 m,爆破误差小于2 m;灭火弹爆破雾场弥散强度分布延爆破中心向外减弱;灭火弹雾场铺展面积与投弹高度正相关,与爆破高度负相关;预设投弹参数为投放高度35 m,爆炸高度为8~10 m时,灭火效能最佳。

关键词: 无人机, 灭火弹, 灭火效能, 铺展特性, 投弹参数

Abstract:

In order to verify the feasibility and efficiency of UAV-borne fire extinguishing bombs for extinguishing fire, the structure of UAV-borne fire extinguishing bombs was designed and optimized. The extinguishing fire process of the fire extinguishing bombs was formulated; field tests and full-scale tests of fire extinguishing by UAV-borne fire extinguishing bombs were developed; a high-definition camera was used to record the entire process, including UAV-borne fire extinguishing bomb release, burst, spreading of water mist, and fire extinguishing action; statistical analysis was performed on various parameters, such as spreading area and real burst height, and the influence of different technical parameters on the fire extinguishing efficiency of the fire extinguishing bombs was studied. The results show that: the error in release height of the fire extinguishing bombs is less than 3.5 m, and the error in burst height is less than 2 m; the dispersion intensity distribution of water mist shows a decreasing trend from the center; the spreading area of water mist is positively correlated with the release height but negatively correlated with burst height; the preset technical parameters are a release height of 35 m and a burst height of 8-10 m to achieve the best fire extinguishing efficiency.

Key words: unmanned air vehicle (UAV), fire extinguishing bomb, fire extinguishing efficiency, spreading characteristics, technical parameter

李聪, 金衍科, 许文博, 李成武, 邹彪. 基于无人机投放灭火弹的雾场铺展特性及灭火效能研究[J]. 中国安全科学学报, 2023, 33(S1): 185-191.

LI Cong, JIN Yanke, XU Wenbo, LI Chengwu, ZOU Biao. Study on spreading characteristics and fire extinguishing efficiency of water mist based on UAV-borne fire extinguishing bombs[J]. China Safety Science Journal, 2023, 33(S1): 185-191.

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灭火弹编号	H	h	投弹高度绝对误差	爆破高度绝对误差
1	50	10	2.85	0.05
2	50	12	1.61	0.42
3	40	2	0.61	0.35
4	40	10	0.98	0.15
5	40	12	1.49	1.26
6	35	0	3.39	0
7	35	5	1.86	0.25
8	35	6	0.32	0.47
9	35	8	0.43	0.83
10	35	8	2.5	0.13
11	35	8	1.06	0.54
12	35	10	0.2	1.94
13	35	10	1.88	1.34
14	35	12	3.31	1.21

灭火弹编号	灭火效果	灭火作用时间/s
6(35-0)	未灭	—
7(35-5)	部分灭火	2.76
9(35-8)	完全灭火	2.77
12(35-10)	完全灭火	2.8
14(35-12)	完全灭火	2.85

基于无人机投放灭火弹的雾场铺展特性及灭火效能研究

Study on spreading characteristics and fire extinguishing efficiency of water mist based on UAV-borne fire extinguishing bombs

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