中国物理B ›› 2015, Vol. 24 ›› Issue (9): 94701-094701.doi: 10.1088/1674-1056/24/9/094701
• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇 下一篇
税敏, 储根柏, 辛建婷, 吴玉迟, 朱斌, 何卫华, 席涛, 谷渝秋
Shui Min (税敏), Chu Gen-Bai (储根柏), Xin Jian-Ting (辛建婷), Wu Yu-Chi (吴玉迟), Zhu Bin (朱斌), He Wei-Hua (何卫华), Xi Tao (席涛), Gu Yu-Qiu (谷渝秋)
摘要: Laser-driven flier impact experiments have been designed and performed at the SG-III prototype laser facility. The continuum phase plate (CPP) technique is used for the 3 ns quadrate laser pulse to produce a relatively uniform irradiated spot of 2 mm. The peak laser intensity is 2.7× 1013 W/cm2 and it accelerates the aluminum flier with a density gradient configuration to a high average speed of 21.3 km/s, as determined by the flight-of-time method with line VISAR. The flier decelerates on impact with a transparent silica window, providing a measure of the flatness of the flier after one hundred microns of flight. The subsequent shock wave acceleration, pursuing, and decay in the silica window are interpreted by hydrodynamic simulation. This method provides a promising method to create unique conditions for the study of a material's properties.
中图分类号: (Shock wave interactions and shock effects)