Volume 26 Issue 02
Jan.  2014
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Zhu Xiurong, Zhou Bin, Du Ai, et al. Fabrication of cylindrical shock wave tube for ICF hydrodynamic instability experiments[J]. High Power Laser and Particle Beams, 2014, 26: 022004. doi: 10.3788/HPLPB201426.022004
Citation: Zhu Xiurong, Zhou Bin, Du Ai, et al. Fabrication of cylindrical shock wave tube for ICF hydrodynamic instability experiments[J]. High Power Laser and Particle Beams, 2014, 26: 022004. doi: 10.3788/HPLPB201426.022004

Fabrication of cylindrical shock wave tube for ICF hydrodynamic instability experiments

doi: 10.3788/HPLPB201426.022004
  • Received Date: 2013-06-09
  • Rev Recd Date: 2013-10-31
  • Publish Date: 2014-02-15
  • In inertial confinement fusion (ICF) experiments, the surface (interface) roughness and defect of target capsule can lead to hydrodynamic instability when the target capsule is irradiated by high-intensity laser facility. Controlling and understanding the growth of hydrodynamic instability can strongly increase the feasibility of ignition experiment and is of the main importance for achieving ignition and high gain. A new cylindrical shock wave tube was designed and fabricated after consulting relevant references and the parameters of Shenguang Ⅱ laser facility. The cylindrical shock wave tube consisted of rippled polystyrene (CH) film, cylindrical carbonized-resorcinol-formaldehyde (CRF) aerogel and cylindrical CH tube. The cylindrical shock wave tube was obtained by assembling the rippled CH film and cylindrical CRF aerogel into the cylindrical CH tube. The target design and fabrication processes were described while the target parameters were measured. The results indicate that the length, diameter and density of cylindrical CRF aerogel are 1000 m, 730 m and 250 mgcm-3, respectively, the diameter and thickness of the rippled CH film are 15 m and 730 m, while the perturbation period and amplitude on its surface are 100 m and 4.3 m, the maximum axial assembly deviation of the cylindrical shock wave tube is 2 m, while its maximum diameter assembly deviation is 3 m.
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