Experimental device and experimental method for cylindrical isentropic compression

Abstract

The invention discloses an experimental device and an experimental method for cylindrical isentropic compression. The experimental device comprises a cylindrical implosion magnetic flux compression generator; the cylindrical implosion magnetic flux compression generator comprises a metal sleeve, wherein two fixed coils are symmetrically arranged on the outer side of the metal sleeve; an explosive ring is arranged between the two coils; a synchronous detonating network is arranged on the outer side of the explosive ring; a cylindrical isentropic compression target is arranged in a metal sleeve; a laser speed measurement probe is mounted in the cylindrical isentropic compression target. According to the experimental device and the experimental method, the method for measuring the compression degree of a material in prior art is changed by designing a novel cylindrical isentropic compression target; a complex flash photography device is not required; the technical difficulty of measurement is greatly reduced; the cost of equipment is also reduced; the laser speed measurement technology involved in the invention is the standard measurement technology in the compression scientific field at present; the technology is mature and reliable; the measurement precision can reach 1 to 2 percent; therefore, the precision of the measurement data is greatly improved.

Description

technical field [0001] The invention relates to the research field of compression science experiment technology, in particular to an experimental device and an experimental method for cylindrical isentropic compression. Background technique [0002] Cylindrical implosion magnetic flux compression generator (hereinafter referred to as MC-1) uses the explosive explosion to drive the metal sleeve to compress the initial magnetic flux in its cavity, transforming the explosive chemical energy into magnetic field energy, so that it accumulates in the volume near the axis, A super-strong magnetic field is formed to realize isentropic compression on the sample target in it. Internationally, countries engaged in research in this area mainly include Russia and the United States and a few other countries. In China, only the Institute of Fluid Physics of the Chinese Academy of Engineering Physics is engaged in research on related technologies and methods. [0003] At present, when usin...

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Problems solved by technology

[0004] The purpose of the present invention is to provide a cylindrical isentropic compression experimental device and experimental method to solve the current MC-1 isentropic compression physical experiment with low precision and limited sample materials.

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