Antiknock analysis and structure optimization for coal mine cylindrical shell refuge capsule under gas explosion load

CHEN Xiaokun; LI Haitao; WANG Qiuhong; JIN Yongfei; DENG Jun; ZHANG Yanni

doi:10.11883/bzycj-2016-0248

Volume 38 Issue 1

Nov. 2017

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CHEN Xiaokun, LI Haitao, WANG Qiuhong, JIN Yongfei, DENG Jun, ZHANG Yanni. Antiknock analysis and structure optimization for coal mine cylindrical shell refuge capsule under gas explosion load[J]. Explosion And Shock Waves, 2018, 38(1): 124-132. doi: 10.11883/bzycj-2016-0248

Citation:

CHEN Xiaokun, LI Haitao, WANG Qiuhong, JIN Yongfei, DENG Jun, ZHANG Yanni. Antiknock analysis and structure optimization for coal mine cylindrical shell refuge capsule under gas explosion load[J]. Explosion And Shock Waves, 2018, 38(1): 124-132. doi: 10.11883/bzycj-2016-0248

Citation:

CHEN Xiaokun, LI Haitao, WANG Qiuhong, JIN Yongfei, DENG Jun, ZHANG Yanni. Antiknock analysis and structure optimization for coal mine cylindrical shell refuge capsule under gas explosion load[J]. Explosion And Shock Waves, 2018, 38(1): 124-132. doi: 10.11883/bzycj-2016-0248

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Antiknock analysis and structure optimization for coal mine cylindrical shell refuge capsule under gas explosion load

doi: 10.11883/bzycj-2016-0248

CHEN Xiaokun^{1, 2, 3},
LI Haitao^{1, 2},
WANG Qiuhong^{1, 2, 3
,
,},
JIN Yongfei^{1, 2, 3},
DENG Jun^{1, 2, 3},
ZHANG Yanni^{1, 2, 3}

1.
College of Safety Science and Engineering, Xi'an University of Science and Technology, Xi'an 710054, Shaanxi, China
2.
Shaanxi Key Laboratory of Prevention and Control of Coal Fire, Xi'an University of Science and Technology, Xi'an 710054, Shaanxi, China
3.
Engineering Research Center of West China Coal Mine Safety Education Ministry, Xi'an University of Science and Technology, Xi'an 710054, Shaanxi, China

Received Date: 2016-08-17
Rev Recd Date: 2016-12-01
Publish Date: 2018-01-25

Abstract

Abstract

Coal mine rescue capsules are an indispensable equipment for safe production and effective rescue in coal mines, and their efficiency and stability directly determine the rescue efficiency and the antiknock performance in coal mines. In this paper, a cylindrical shell rescue capsule was designed to guarantee the stability of the capsule under a gas explosion load. Firstly, the load of the explosion field was simulated using ANSYS/LSDYNA and validated with previously reported data. Secondly, the coupling effect between the flow field of the explosion shock wave and the rescue capsule was revealed using the ALE fluid-structure coupling algorithm in real coalmine conditions. Thirdly, the antiknock performance analysis and structural design optimization were conducted on the original model. Finally, the dynamic response, strength and energy variation were compared for the original model and the optimized version qualitatively and quantitatively. The results show that the antiknock performance of the optimized model has reached the required national standards of China.
- gas explosion,
- impact load,
- fluid-solid interaction,
- antiknock performance,
- dynamic response

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References(21)

References

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