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Numerical Study on the Viscosity of Shocked Al vis Small-Perturbation Amplitude Damping Profile Measurement by Flyer Impact
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Xiao-Juan MA1, Fu-Sheng LIU1, Yi-Lei LI1, Ming YU2, Yong-Hong LI1, Xiao-Juan PENG1, Fu-Qian JING1, 3
Chinese Journal of High Pressure Physics | 2011, 25(1) : 23 - 28
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Chinese Journal of High Pressure Physics | 2011, 25(1): 23-28
Numerical Study on the Viscosity of Shocked Al vis Small-Perturbation Amplitude Damping Profile Measurement by Flyer Impact
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Xiao-Juan MA1, Fu-Sheng LIU1, Yi-Lei LI1, Ming YU2, Yong-Hong LI1, Xiao-Juan PENG1, Fu-Qian JING1, 3
Affiliations
  • 1.College of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610031, China
  • 2.Institute of Applied Physics and Computational Mathematics, Beijing 100094, China
  • 3.National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, CAEP, Mianyang 621900, China
Published: 2011-02-15
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Flyer-impact disturbance amplitude damping method of shock wave is one of practical method for viscosity measurement at high pressure and high temperature. The experimental results for shocked Al at two high pressures have been reported previously by Li, et al, instead of the analytical solution method, which was proposed by Miller and Ahrens, for treating same characteristic data from the measured profiles that was adopted in Li's analysis. Here we first put forward a two-dimensional Eulerian viscous fluid, to make a full-shock front perturbation evolution simulation. The measured profile at 78 GPa is used as an example in our re-analysis. The numerical simulated profile agrees well with the measured one, from which the determined effective viscosity coefficient of the shocked Al at 78 GPa is (2.8±0.1) kPa·s. This value is about twice of the Li's one ((1.3±0.3) kPa·s), but we believe the value in the present study might be more reasonable because it is obtained from a comprehensive simulation for the full-shocked perturbation evolving process.

viscosity coefficient  /  two-dimensional Navier-Stokes equation  /  shock front  /  sinusoidal disturbance
马小娟, 刘福生, 李一磊, 于明, 李永宏, 彭小娟, 经福谦. 飞片加载产生正弦冲击波及其波阵面演化模拟. 高压物理学报, 2011 , 25 (1) : 23 -28 .
Xiao-Juan MA, Fu-Sheng LIU, Yi-Lei LI, Ming YU, Yong-Hong LI, Xiao-Juan PENG, Fu-Qian JING. Numerical Study on the Viscosity of Shocked Al vis Small-Perturbation Amplitude Damping Profile Measurement by Flyer Impact[J]. Chinese Journal of High Pressure Physics, 2011 , 25 (1) : 23 -28 .
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Year 2011 volume 25 Issue 1
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Article Info
  • Receive Date：2010-01-21
  • Online Date：2026-11-02
  • Published：2011-02-15
Article Data
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History
  • Received：2010-01-21
  • Revised：2010-06-05
Funding
Affiliations
    1.College of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610031, China
    2.Institute of Applied Physics and Computational Mathematics, Beijing 100094, China
    3.National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, CAEP, Mianyang 621900, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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