General self-simulating motion mode of spherical strong shock waves in ideal gas

被引:4
作者
Bian Bao-Min [1 ]
Yang Ling [1 ]
Zhang Ping [1 ]
Ji Yun-Jing [1 ]
Li Zhen-Hua [1 ]
Ni Xiao-Wu [1 ]
机构
[1] Nanjing Univ Sci & Technol, Dept Informat Phys & Engn, Nanjing 210094, Peoples R China
关键词
ideal gas; spherical strong shock wave; self-simulating motion;
D O I
10.7498/aps.55.4181
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Adopting basic-differential equations for self-simulating motion of one-dimensional nonstable flow in ideal gas, the self-simulating characteristics of wave-rear gas in spherical strong shock wave have been analyzed in detail. Additionally, the general form of propagation formula for the spherical strong shock wave, owning self-simulating motion characteristics, is deduced out. Study indicates that the self-simulating motion mode of spherical strong shock wave need not start from a point having irregularity, and the initial shock velocity and self-simulating temperature function, generally, do not exist the problem of driving to infinite. And, Taylor's self-simulating mode of the shock wave from point explosion is a special case of the general self-simulating mode with the assumption that the whole energy of the self-simulating motion is a definite value.
引用
收藏
页码:4181 / 4187
页数:7
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