Research on the Identification Device of Copper Crusher Gauge

doi:10.3969/j.issn.1000-1093.2014.08.027

Abstract

Abstract: In order to distinguish 1 cm² copper crusher gauge, a special experimental device which can supply required pressure source by volume expansion is proposed and designed. An interior ballistic model of the device is set up and simulated based on the interior ballistic analysis and the flow equation of the working chambers. The pressure and flow characteristics of propellant gas between bore and chamber are obtained. And the influences of initial volume and position of the high pressure chamber on its maximum pressure are studied. The maximum pressure of the high pressure chamber can be adjusted to about 39.0 MPa under the condition of the known parameters. Compared with the experimental results, the maximum deviation is 4.9%. The device can meet the requirement of identifying copper crusher gauge.

Key words: ordnance science and technology, copper crusher gauge, identification, interior ballistics

CLC Number:

TJ012.1
TJ06

PAN Xiao-bin, TAN Le-bin, KONG De-ren. Research on the Identification Device of Copper Crusher Gauge[J]. Acta Armamentarii, 2014, 35(8): 1313-1317.

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