Influence of nonideal magnetic field on physical explosion of spherical heavy gas

Lin Zhenya; Chen Zhihua; Liu Ying; Hong Yanji

doi:10.11883/1001-1455(2017)03-0422-09

Volume 37 Issue 3

Apr. 2017

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Lin Zhenya, Chen Zhihua, Liu Ying, Hong Yanji. Influence of nonideal magnetic field on physical explosion of spherical heavy gas[J]. Explosion And Shock Waves, 2017, 37(3): 422-430. doi: 10.11883/1001-1455(2017)03-0422-09

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Lin Zhenya, Chen Zhihua, Liu Ying, Hong Yanji. Influence of nonideal magnetic field on physical explosion of spherical heavy gas[J]. Explosion And Shock Waves, 2017, 37(3): 422-430. doi: 10.11883/1001-1455(2017)03-0422-09

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Influence of nonideal magnetic field on physical explosion of spherical heavy gas

doi: 10.11883/1001-1455(2017)03-0422-09

1.
State Key Laboratory of Transient Physics, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China
2.
State Key Laboratory of Laser Propulsion and Application, Academy of Equipment, Beijing 101416, China

Received Date: 2015-10-26
Rev Recd Date: 2016-01-05
Publish Date: 2017-05-25

Abstract

Abstract

Magnetohydrodynamics equations are adopted to simulate the process of spherical heavy gas explosion. Meanwhile, in order to ensure the divergence of magnetic field is zero in each step, we use the CTU+CT algorithm which is derived by 12-solve CTU algorithm. The results clearly show the process of spherical heavy gas physical explosion with the influence of magnetic field. In the non-ideal case, the droplet-like structure appears on the interface of the gas cluster. With the gas cluster being compressed, the instabilities are being restrained in the end. As can be seen from the results, resistance and ambipolar diffusion effect will hinder the influence of magnetic field on gas cluster, at the same time, the ambipolar diffusion effect will increase the scope of the magnetic pressure.
- instability,
- explosion,
- magnetohydrodynamics,
- ambipolar diffusion,
- shock wave

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References(27)

References

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