Abstract Two-dimensional numerical research has been carried out on the ablation effects of titanium target irradiated by intense pulsed ion beam (IPIB) generated by TEMP II accelerator. Temporal and spatial evolution of the ablation process of the target during a pulse time has been simulated. We have come to the conclusion that the melting and evaporating process begin from the surface and the target is ablated layer by layer when the target is irradiated by the IPIB. Meanwhile, we also obtained the result that the average ablation velocity in target central region is about 10 m/s, which is far less than the ejection velocity of the plume plasma formed by irradiation. Different effects have been compared to the different ratio of the ions and different energy density of IPIB while the target is irradiated by pulsed beams.
Received: 08 July 2005
Revised: 21 November 2005
Accepted manuscript online:
Wu Di(吴迪), Gong Ye(宫野), Liu Jin-Yuan(刘金远), Wang Xiao-Gang(王晓钢), Liu Yue(刘悦), and Ma Teng-Cai(马腾才) Two-dimensional numerical research on effects oftitanium target bombarded by TEMP II accelerator 2006 Chinese Physics 15 2682
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