Attenuation characteristics of shock waves interacting with open and closed foams

Zhou Pei-jie; Wang Jian; Tao Gang; Zhou Jie

doi:10.11883/1001-1455(2015)05-0675-07

Volume 35 Issue 5

Nov. 2015

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Article Navigation > Explosion And Shock Waves > 2015 > 35(5): 675-681

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Zhou Pei-jie, Wang Jian, Tao Gang, Zhou Jie. Attenuation characteristics of shock waves interacting with open and closed foams[J]. Explosion And Shock Waves, 2015, 35(5): 675-681. doi: 10.11883/1001-1455(2015)05-0675-07

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Attenuation characteristics of shock waves interacting with open and closed foams

doi: 10.11883/1001-1455(2015)05-0675-07

1.
School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China
2.
Beijing Institute of Tracking and Telecommunications Technology, Beijing 100000, China

Received Date: 2014-03-19
Rev Recd Date: 2014-06-18
Publish Date: 2015-10-10

Abstract

Abstract

Experiments were carried out to explore the mechanical properties of the attenuation of shock waves respectively interacted with wooded plates, open and closed cellular foams. Based on the experimental data, the peak overpressure and positive impulse loss of shock waves were quantitatively analyzed as well as the positive impulses of the incidence, reflection and transmission shock waves. The experimental results show that the attenuation capacity of foams to shock waves is mainly due to the shock wave reflection and energy dissipation inside the foam microstructure. And the mechanical phenomena of open foam to shock wave are not fully consistent with those of closed foam, while the attenuation capacity of open foam to shock wave is more effective than that of closed foam.
- mechanics of explosion,
- attenuation characteristics,
- peak overpressure,
- cellular foam,
- shock wave,
- positive impulse

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References

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